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JULY SOCIAL EVENT

Saturday evening, July 19

Saturday, July 19 is our summer social event. We meet at 5pm at Bob Charlton's patio. Bob and Patty have graciously invited us to share a summer evening outdoors with friends and ferns. You will enjoy viewing the patio fern collection, and then we will have a modified potluck dinner. Pollo Loco chicken and water/soft drinks will be provided. The grill will be ready, so you may bring your own meat to grill. Also, you may bring a side dish or dessert if you wish. Plan to arrive at 5pm so that we can eat around 6pm.

There will not be a formal meeting, but during the evening Bob will show us his watering system and explain what products he has found to be most reliable for maintaining his patio fern collection. He will also have a silent auction of certain designated plants including
Polypodium formosanum and Davallias and garden accessories, so bring a little cash for this summer special opportunity.

For directions, please refer to the Fern World sent to you by mail or email.

Bob and Patty live in the Linda Vista community of San Diego. They have quite a view, as their location is up the hill from Fashion Valley.

The Charlton house has a sloped driveway down from the street. Bob has constructed a ramp for those with accessibility concerns. Ride sharing may be arranged by phoning a board member or sending email to sandiegofernsociety@gmail.com at least two days in advance.

Report on June Meeting

In June we viewed photos of ferns in the Northern Sierras, from Lassen and Plumas Counties. These ferns grow at elevations from 3500 feet up to at least 9000 feet and higher. Some are found in open areas of rock and some in forests.

Fausto Palafox of Mission Hills Nursery visited us and provided an update on the status of his nursery, which has been in operation for 100 years. He also shared that the Urban Forestry group is now partnering with Mission Hills Garden Club, and suggested partnership strategies for botanical organizations.

Don Callard showed us some of his spore plantings from May, which are now green and growing. He reminded us that spore growing generally takes quite some time, so be patient while your spore plantings develop.

August Plans

Coming up, sooner than you think, is our annual Fern Show and Sale. Having a free show for the public is part of the San Diego Botanical Garden Foundation agreement with the City of San Diego for use of facilities in Balboa Park. We will have our Fern Society meeting on the second Thursday of the month, August 14, in order to prepare for the show on August 16-17.

Even though the San Diego County Fair just finished, it is time to consider your plant care for the Show. Ferns for the August Show competition must be plants you have owned and cared for during the previous three months. Choose ferns from your collection which are growing well, perhaps your own personal favorites. Groom the old or damaged fronds and check for pests.

2014 Fern Show

Our Show will be held on Saturday and Sunday, August 16-17. The Fern Society meeting will be held Thursday evening, August 14, and you may bring in plants to Room 101 starting that Thursday afternoon and continuing Friday afternoon. Please prepare your ferns in advance so that they are checked in and ready to place in the Show by 6 pm Friday. If your work or distance considerations make this difficult, please see a board member in advance for arrangements.

Judging will operate in the same way as last year, slightly streamlined from the earlier system. Plant categories and Show rules remain unchanged. The categories and explanations for judging may be seen at
sandiegofernsociety.com, under the Catalog link. The Show places ferns of similar sizes and characteristics together for judging.

Plants for Show competition will need to be ferns that you have owned and cared for during the past three months. It is very important to determine the correct names for your plant entries. Fern Society library books will be available on Thursday evening for reference.

No plants are allowed in Room 101 with pest infestation, including ants. Clean up and de-bug all your show plants in advance.

The Show is open to entries by non-members. Please plan to assist your club with the Show tasks in August. There are jobs available for everyone! This is our best opportunity to greet the public and invite them to join us in the San Diego Fern Society. The Show and Sale will be open to the public Saturday noon to 5pm and Sunday from 10am to 4pm.

Fern Sale

The Fern Society will sell ferns to the public while the Show is open. Persons who would like to sell their own ferns and specialty plants should contact a Board member by August 1. Our Sale must follow the policies of the City of San Diego and our parent organization, San Diego Botanical Garden Foundation. We will arrange Room 101 with appropriate sales area space. All sellers should be available during the weekend to help with Show and Sale tasks.

Memberships

Just $12.00 pays for a single or a household membership in the San Diego Fern Society. See Jay Amshey at the July social or mail to the address on page 6. Also please inform us of changes to your contact information, including your preferred email address.

The Fab Fair and Ferns

The 2014 San Diego County Fair again had record-breaking attendance. Nearly 1.5 million visitors had the opportunity to view our Fabulous Ferns.

Noteworthy Plant: Platycerium veitchii

P veitchii sm
From the selection of Platycerium ferns displayed, judges at the fair gave a Noteworthy Plant recognition to Platycerium veitchii. This staghorn, grown by Don Callard, was displayed where viewers could see the plant from two directions and admire the finger-like projections of the shield fronds. This Platycerium can be grown in high light locations (sun).


Platycerium veitchii, a Noteworthy Plant. San Diego County Fair Container Garden. Photos from Fair credit: K. Russell.


Featured Fern: Davallia fejeensis 'Major'

This great plant was displayed hanging from the structure at the Fair. Bob Charlton loaned it for the Fern Society Container Garden Exhibit. The unusual rhizome and long fronds could be appreciated in this location.
Davallia fejeensis is found in nature in Fiji and islands. Frond blades may be finely divided, up to five-pinnate. D. fejeensis resembles D. solida and is sometimes classes as a subspecies.

The cultivar 'Major' is particularly interesting. Rhizomes may grow to extend out and away from the plant. The fronds are up to two feet long.

Davallia fejeensis sm
Davallia fejeensis 'Major'. San Diego County Fair Container Garden.

Featured Fern:
Aglaomorpha coronans

These plants are subtopical, making them a great choice for San Diego area gardeners. Even though this fern becomes quite large and can be planted in the ground, it is also a container favorite. Plants tolerate an environment of high to moderately low humidity which also allows good growing results in San Diego.

Fronds of
Aglaomorpha coronans are pinatifid and may extend two feet up and outward in a nest shape. The base part of fronds may become brown, even while the frond is green.

Aglaomorpha coronans is native to south and southeastern Asia.

a coronans
Aglaomorpha coronans. San Diego County Fair Container Garden.

Fern Frond Variegation

Another interesting and unusual plant was on display in the Container Garden, courtesy of Don Callard. With large and variegated fronds, this fern attracts the notice of horticultural enthusiasts.

Variegation occasionally shows up in nature and is prized by growers for its interesting effect on plant leaves. This plant is tentatively identified as
Drynaria quercifolia. In nature, plants grow in southern and southeastern Asia.

Drynaria quercifolia, a fern cultivated for its beauty, may have additional benefits. This fern is one of the many plants that have been used in folk medicine in India. In fact, scientific study shows that an extract from the rhizome of D. quercifolia does show an antibacterial effect. In a world where disease pathogens have developed antibiotic resistance, there is potential for using the plants of traditional medicine in the future.

variagated fronds sm
This unusual variety of
Drynaria quercifolia has variegated fronds, and is sourced in the Philippines. San Diego County Fair Container Garden.

Featured Fern:
Drynaria rigidula 'Whitei'

Another subtopical beauty,
Drynaria rigidula 'Whitei' is a desirable patio fern for San Diego area gardeners. It is considered semi-tender but benefits from strong light and well-drained moss or mix. Smaller fronds collect humus and should not be overwatered.

Drynaria sm
Frond of
Drynaria rigidula 'Whitei'. Loaned to San Diego County Fair Container Garden by Bob Charlton.

This fern grows in southeastern Asia and islands. The cultivar 'Whitei' has lacerate frond pinnae. Of the
Drynarias, D. rigidula is apparently the only species with one-pinnate fronds. The others are pinnatifid, where the frond edge is just partially cut in to the rachis (the midrib of frond).

Dry 2 sm
View of
Drynaria rigidula 'Whitei'. The brown humus-collecting fronds can be seen covering the basket. San Diego County Fair Container Garden.

References:
1. Hoshizaki, B. and Moran, R. (2001).
Fern grower's manual. Portland, OR: Timber Press.
2. Kandhasamy, M., Arunachalam, K. D., & Thatheyus, A. J. (2008). Drynaria quercifolia (L.) J.Sm: A potential resource for antibacterial activity.
African Journal of Microbiology Research, 2, 202-205. Retrieved July 8, 2014, from http://www.academicjournals.org/ajmr

July Events:

Art in Bloom, Spanish Village, Balboa Park, July 18-20. Floral designers will interpret art pieces using flowers. Enjoy the art and floral arrangements exhibit, demonstrations, music, snacks.

Susan Ludwig has invited us to Art in Bloom, July 18-20. She is the Event Coordinator and a fiber artist at Spanish Village Studio 34A. Her husband Dick Ludwig grows plants, especially
Platyceriums.

LAIFS Fern and Exotic Plant Show and Sale, Los Angeles International Fern Society, July 26-27, 9am-4pm. Los Angeles County Arboretum in Arcadia.


container sm
Partial view of San Diego County Fair 2014 Fern Society Container Garden.

Calendar for 2014

July 19 Social event
hosted by Bob and Patty Charlton,

August 14 (2nd Thursday of the month)
August 16-17
San Diego Fern Show and Sale
September 18
October 9 (2nd Thursday of the month)
November 20
December 18 (Annual Meeting)

Board Meetings

Room 104, 7:30 pm on first Tuesday of September and November


San Diego Fern Society Officers for 2014

President
Kathie Russell klrkath@yahoo.com
1st Vice President and Secretary
Amna Cornett amnacarol@yahoo.com
2nd Vice President
Bill Brannock
Treasurer
Jay Amshey coastbiomaterials@cox.net
Board Members:
Bruce Barry
Bob Charlton kwyjibo@san.rr.com
Bill Ganger wganger@sbcglobal.net
Richard Lujan
Past President
Don Callard dcallard@san.rr.com

Website

www.sandiegofernsociety.com
Webmaster: Bob Charlton kwyjibo@san.rr.com
Fern Society email
sandiegofernsociety@gmail.com


Membership

Bring $12 cash or check (payable to San Diego Fern Society) to a meeting
or mail to:
San Diego Fern Society
2350 Jennifer Ln
Encinitas CA 92024


San Diego Fern Society Objects and Purposes

The San Diego Fern Society was formed
* to provide a source of information on ferns;
* to arrange for people to study ferns together;
* to encourage the use and enjoyment of ferns in gardens, patios, and the home.


The Society aims

* to encourage all horticultural activities by example, education, exhibits, and donations;
* to interest people in the beauty & satisfaction to be found in garden, patio and home living;
* to promote and stimulate interest in ferns;
* to encourage and develop culture of various types and varieties of ferns;
* to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


Volume XXXIX, Number 7
JUNE MEETING

Thursday, June 19 brings a program on Ferns of the Northern Sierras. We meet at 7:30pm in Room 101, Casa del Prado, Balboa Park. Yes, ferns really do grow on these rocky and snowy mountains, and in the western foothills. They survive and flourish with the available precipitation. Kathie Russell will share photos and hopefully inspire you to visit some of the California native ferns in the Sierra Nevada Mountains.

Report on May Meeting

The Spore Planting Project was held May 15. Amna Cornett and others provided spores from around twenty fern species. Everyone was able to plant some small containers of various fern spores and take them home. It will be fun to see the results. However like the farmer, growers must be patient. Sporelings of some ferns grow in just weeks but for most there is a delay of months to see growth and quite a long time to maturity.

Refreshments

Following our Fern Society meeting, we will enjoy snacks and time to visit. Don Callard and Nancy Hoyt will provide refreshments this month.

August Fern Show and Sale

Coming up, sooner than you think, is our annual Fern Show and Sale. Having a free show for the public is part of the San Diego Botanical Garden Foundation agreement with the city for use of facilities in Balboa Park. For 2014, our show will be held Saturday and Sunday, August 16-17. We will have our Fern Society meeting on the second Thursday of the month, August 14, in order to prepare for the show.

Even though we are still in the midst of the San Diego County Fair, it is time to consider your plant care for the Show. Many of your ferns are receiving excellent care at the Fair and may next be exhibited at the Show. Ferns for the August Show competition must be plants you have owned and cared for during the previous three months. Look over your ferns to see which ones are growing well, and pay a little extra attention to them. Groom all the old fronds out of your plant now and check for pests. With two months of prime growing time left, if you thin out the old fronds, there will be room for new ones. Continue to groom, water and use dilute fertilizer.

Memberships

Just $12.00 pays for a single or a household membership in the San Diego Fern Society. See Jay Amshey at the May meeting or mail to the address on page 6. Also please inform us of changes to your contact information, including your preferred email address.

Ferns at the Fair

Now is the time to visit the San Diego County Fair in Del Mar, and enjoy the Garden Show. The fair is open through Sunday, July 6. Check the website for days and hours at
sdfair.com. The garden area has certainly been upgraded over the years, showing improved planning and displays. Youth exhibits and amateur garden entries are included as always.

unknown

The San Diego Fern Society has two exhibits, a Small Landscape and a Container Garden. Many persons loaned beautiful plants and garden accessories to make the exhibits a success. Special thanks to all who shared in the fair plans, exhibit preparation and planting work and those who continue to water and maintain the exhibits. There is more work left: dismantling the exhibits and returning everything to the owners on Monday, July 7.

constr sm1
San Diego County Fair Landscape Exhibit under construction, May 24. Photos this page credit: K. Russell.

The Landscape Exhibit was designed by Kathy Thomson and built by our own society members. Our garden is a Healing Garden, with reference to the Beatles song "Let it be" by Paul McCartney. The garden includes a bench and patio, small border fence, rocks and faux pools, hanging ferns on a screen and on lattice, large and small ferns in the ground and flowers and succulents! Botanical names are provided on the display sign for 29 unique ferns.

fern dog and constr sm1
Fair Landscape Exhibit with planting nearly complete May 31. Fern, the assistance dog, is relaxing in the Healing Garden.

In the Container Garden, plants are arranged hanging on an attractive pergola structure and placed on benches. Some identifying name information cards are included with the plants. Tables and chairs on the faux lawn provide a place to relax and enjoy this beautiful sight. Look for the Container Garden as you enter the garden area from O'Brien Gate, and the Landscape Garden in the back behind the Garden Department offices.

container sm1
San Diego County Fair Container Garden, partial view of structure and ferns.
Featured Ferns: Platyceriums

A selection of Platycerium ferns is currently on display at the San Diego County Fair. Both of the exhibits provide great options for showing Staghorn Ferns. These are always high interest plants for the viewing public at the Fair.

The Landscape Exhibit is backed by white lattice, providing a home patio look. These white panels are supposed to be either used for plants or covered with a backdrop. For us in the San Diego Fern Society, hanging our ferns is the best way to show some of them. Several Platyceriums are on the back wall, along with other ferns and Spanish moss, a Tillandsia.

For the Container Garden, two pergola-style structures were designed and built by the Fair staff. One of these displays the changing competition orchids, and the other is our Fern Container Garden. The sturdy structure has many posts and beams which hold plants, and benches below for containers. The structure really showcases the Platyceriums, and also displays a variety of other ferns and a Lycopodium. This display is located in the entry area to the Garden Show, a high traffic area. Don Callard provided numerous Platyceriums as well as other plants for display at the San Diego County Fair this year.

end of container display1
San Diego County Fair Container Garden, partial view of some Platycerium ferns. Photos this page credit: K. Russell.
Featured Ferns: Pyrrosias

A few plants of Pyrrosia are on display at the fair, and more are expected at the Fern Show, August 16-17. Pyrrosias are epiphytic plants so gardeners might not expect to use them directly in a landscape. However, Pyrrosia lingua works quite well in San Diego gardens. Mary Z has grown this plant in the ground, covering her front yard area, for many years. P. Lingua spreads slowly so it takes time to establish in a garden location. This has the advantage that P. lingua is not too invasive and is easy to keep in bounds.

These plants tolerate frost so are also appropriate for cooler climates. Pyrrosia lingua may be called the Japanese Felt Fern or Tongue Fern. It is native to China, southeastern Asia and India.

p lingua sm1
Pyrrosia lingua var. heteractis growing in a tree stump, Washington Arboretum, Seattle WA. Photo taken in month of May shows the plant after living through winter chill.

p lingua yard sm1
Pyrrosia lingua var. lingua growing in the ground, San Diego area.

The late Barbara Joe Hoshizaki was both a botanist and a gardener. She shared her fern growing experiences, gardening in Los Angeles but providing useful information for San Diego growers. In 1981 she published a discussion of the Pyrrosias in cultivation (Reference 1). At that time Pyrrosia heteractis was considered a unique species. By 2001, the time of publication of the revised Fern Grower's Manual (Reference 2), it was considered to be one botanical variety of P. lingua. The correct names for these two varieties are Pyrrosia lingua var. lingua and Pyrrosia lingua var. heteractis.

P. lingua var. heteractis has leaf blades that are cuspidate. Used in botany, this term refers to a pointed tip of a leaf.

p heteractis sm1
Pyrrosia lingua var. heteracta growing in a container. This plant is currently in the San Diego County Fair Container Garden, courtesy of Bart Keeran. Photos this page credit:
K. Russell.

P. lingua var. lingua shows leaf blades that are lanceolate to oblong. However, it has many cultivars with interesting frond shapes. When visiting the Balboa Park Botanical Building, look for some of the cultivars such as 'Monstrifera', 'Cristata' and 'Nokogiri-ba'.

Pyrrosia hastata is another fern that tolerates cooler climates but also does well in San Diego. Sue Olsen recommends winter protection for both Pyrrosia hastata and P. lingua in Zone 8 climates such as the Pacific Northwest. P. hastata is native to China, Korea and Japan, and grows on rocks and tree trunks. Hastate refers to the arrowhead shape, and the basal lobes point outward.

p hastata fai1r
Pyrrosia hastata growing in a basket. This plant is currently in the San Diego County Fair Landscape Exhibit, courtesy of Bart Keeran.

There are 50 or more species of Pyrrosias, growing in Africa, Asia, Australia and islands. They are not native to the Americas. Some species are temperate to subtropical, and more are tropical.

p hastata yard sm1
Pyrrosia hastata growing in the ground. This plant was grown from a start received from Barbara Joe Hoshizaki many years ago.

Pyrrosias are known as Felt Ferns, and have star-shaped hairs on the surfaces, especially the undersides of fronds. These may give fronds a rusty color. When fronds curl up due to dryness the fern appears reddish brown, but with moisture these same fronds may open out again. Pyrrosias tend to show great variation in frond shape, even within a single species.

References:
1. Hoshizaki, B. J. (1981). Genus Pyrrosia in cultivation. Baileya, 21(2), 53-76.
2. Hoshizaki, B. and Moran, R. (2001). Fern grower's manual.
3. Olsen, S. (2007). Encyclopedia of garden ferns.

Cool Idea for Summer

fern house1
Fern house in summer, the ideal napping spot. Vermont. Photo permission: Robert Swinburne.

The FernHouse is named for the sea of ferns it floats on for a few months during the Vermont summer. It started out as a tent platform but inspiration hit and the project developed into something more. There were no plans or model – even though I'm an architect. Robert Swinburne,
www.swinburnearchitect.com.

Robert reports that this place is amazing for ferns right now, and restaurants in the area are serving fiddleheads.

Vermont, a state twice the size of San Diego County, has nearly a hundred fern species, varieties and hybrids, in addition to many lycophytes, according to floraofvermont.com.

Summer Fun with Ferns and More

San Diego County Fair, June 7 through July 6. The San Diego Fern Society has two exhibits, a Container Garden and a small Landscape Garden.

San Diego Fern Society summer social evening, Saturday July 19. Bob Charlton's patio, 1332 Minden Dr, San Diego. Guests are welcome. Further information will be provided at the June meeting and in the July Fern World.

Art in Bloom, Spanish Village, Balboa Park, July 18-20. Floral designers will interpret art pieces using flowers. Look at the art works for inspiration at
svacartinbloom.blogspot.com. Enjoy the art and floral arrangements exhibit, demonstrations, music, snacks.

art in bloom1
Susan Ludwig has invited us to Art in Bloom, July 18-20. She is the Event Coordinator and a fiber artist at Spanish Village Studio 34A. Her husband Dick Ludwig grows plants, especially Platyceriums.

LAIFS Fern and Exotic Plant Show and Sale, Los Angeles International Fern Society, July 26-27. Los Angeles County Arboretum in Arcadia.




Calendar for 2014

June 19
July 19 Social event
hosted by Bob and Patty

August 14 (2nd Thursday of the month)

August 16-17
San Diego Fern Show and Sale

September 18
October 9 (2nd Thursday of the month)
November 20
December 18 (Annual Meeting)

Board Meetings
Room 104, 7:30 pm on first Tuesday of July, September, November


San Diego Fern Society Officers for 2014

President
Kathie Russell klrkath@yahoo.com
1st Vice President and Secretary
Amna Cornett amnacarol@yahoo.com
2nd Vice President
Bill Brannock

Treasurer
Jay Amshey coastbiomaterials@cox.net

Board Members:
Bruce Barry
Bob Charlton kwyjibo@san.rr.com
Bill Ganger wganger@sbcglobal.net
Richard Lujan

Past President
Don Callard dcallard@san.rr.com

Website

www.sandiegofernsociety.com
Webmaster: Bob Charlton kwyjibo@san.rr.com

Fern Society email

sandiegofernsociety@gmail.com

Membership

Bring $12 cash or check (payable to San Diego Fern Society) to a meeting
or mail to:
San Diego Fern Society
2350 Jennifer Ln
Encinitas CA 92024

San Diego Fern Society Objects and Purposes

The San Diego Fern Society was formed
* to provide a source of information on ferns;
* to arrange for people to study ferns together;
* to encourage the use and enjoyment of ferns in gardens, patios, and the home.

The Society aims
* to encourage all horticultural activities by example, education, exhibits, and donations;
* to interest people in the beauty & satisfaction to be found in garden, patio and home living;
* to promote and stimulate interest in ferns;
* to encourage and develop culture of various types and varieties of ferns;
* to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

Volume XXXIX, Number 6

MAY MEETING


Thursday, May 15 brings our Spore Planting Night. We meet at 7:30pm in Room 101, Casa del Prado, Balboa Park. We would like those attending to bring fern spores to share if possible. Bring your spores folded tightly in white paper or envelopes (not plastic). Be very careful to keep species separate, and label the spore packets. At this meeting the Society will provide spores, growing medium and containers. We have several interesting and exotic species of fern spores coming for you to try. You only need a few spore growing successes to greatly enhance your personal fern collection.

Amna Cornett will demonstrate a simple spore sowing technique. Everyone may plant some small containers of various fern spores and take them home. Amna and some of our members will coach attendees in the process and regarding what to expect in spore growing. Further information is provided on page 2. Bring a small box to carry your plantings home.

Report on April Meeting

In preparation for the Spore Planting Night, we discussed harvesting spores from fern fronds. We viewed an instructional presentation, How to Collect Fern Spores, which was prepared by Barbara Joe Hoshizaki and distributed through the American Fern Society. The photos showed various types of sporangia before the spores are ready, when they are ready to harvest, and after spores have disbursed. We were also able to look at actual fronds and spores, and plan for the May spore planting project.

Refreshments

Following our Fern Society meeting, we will enjoy snacks and time to visit. Nancy Hoyt will be our refreshments host this month.

Memberships

If you have forgotten, please complete your membership renewal for 2014. Just $12.00 pays for a single or a household membership in the San Diego Fern Society. See Jay Amshey at the May meeting or mail to the address on page 6. Also please inform us of changes to your contact information, including your preferred email address.

Announcement: Private Sale of specimen ferns

Walt Meier is selling several of his ferns including some Polypodiums and Pyrrosias. These are specimen ferns, previously exhibited in fairs and shows. Additionally he has other well-grown specialty plants to sell. Call him at 760 717 6814 for early choice of his sale plants, available at his home, 4332 Stanford, Carlsbad. The remaining plants will be in his yard sale Saturday May 31.

Growing Ferns from Spore

Before the Fern Society meeting on May 15, check your ferns for spores ready for collection. Using white paper, make spore containing envelopes, or use paper envelopes with corners folded over to keep the spores, and bring what you have to the meeting. Be careful to label each packet with the fern name, and to keep different kinds of spores apart while you prepare your collections. Any contamination by other fern species, algae, mosses and fungi could destroy your efforts.

The spores should first be cleaned of contaminants to reduce the non-fern growth and this will be demonstrated at the Fern Society meeting. The Society will provide growing medium and new, clean small plastic cups with lids to hold our sown spores for germination. It is generally suggested that you boil the water, then let it cool, to water the spores, again to reduce contamination. The spore growing containers should be covered after sowing, and must be kept moist. It is important to put a label on each container.

At home, watch your containers to be certain there is moisture visible. Since we will be using very small cups, you may want to place them in covered clear plastic storage boxes or a terrarium.

The first sign of life will be some thin green growth. Fern spores develop into small heart-shaped prothalli, the gametophyte stage with sex organs. Sperm cells must swim through moisture to the egg cell for fertilization. The chromosomes unite to form a complete set, producing the zygote, which then develops into a sporeling plant. This process is shown in the diagram on page 5.

Spring is considered a good time for spore development. Some ferns will produce sporeling plants with true leaves in eight months or so; other species will take twice as long. With San Diego's climate we will have enough warmth. The indirect light of a window or shadehouse structure will be adequate, or you may use full spectrum lighting indoors.

prothallus D antartica1
Prothallus of Dicksonia antartica, enlarged view. Actual size is less than 1/4 inch across. Photo credit Velela, Wikimedia Commons.

Prothalli may be transferred to new containers before leaves develop, if they are crowded. More commonly, wait until sporelings show small leaves, then transfer clumps of plant material to new trays of mix, spaced an inch apart. Again use all clean containers, mix, and boiled water to reduce contamination. The new containers should be kept with the same conditions of humidity, warmth and light. Baby plants need to be cared for in ideal greenhouse conditions while small and then gradually be acclimated to a protected garden situation. Expect to spend several additional months nurturing your spore-grown plants.

Reference:
Jones, D. (1987) Encyclopaedia of ferns. Portland, OR: Timber Press.

Additional information on spores

Those who have access to fern reference books will benefit from the sections on growing from spores. Suggested readings are provided here:

    Summer Fun with Ferns

    Dates for the San Diego County Fair are June 7 through July 6, 2014. Exhibit preparation will be during the last two weekends of May, with plants in place by May 31. This is your opportunity to display your ferns before a million people, literally. Last year 1.4 million guests came, and the Garden Exhibits are consistently a highlight. This year will be The Fab Fair, with a garden theme of Flower Power. The themes allude to the Beatles era.

    A show will be presented by LAIFS, Los Angeles International Fern Society,
    July 26-27. This is a change from their previous show month, and should make it easier for San Diegans to attend. The LAIFS show is held at the Los Angeles County Arboretum in Arcadia.

    The 2014 San Diego Fern Show and Sale will be held August 16 and 17 in Room 101, Casa del Prado, Balboa Park. Take advantage of this unique opportunity to show your plants, especially your favorite beautiful and unusual ferns. Entry in the Fern Show is open to all, not just members. The Show educates the public regarding attractive ferns for San Diego, displaying the many varieties we are able grow in our climate. As always, we will need assistance from all our members for the various responsibilities of our Fern Show and Sale.

    San Diego Fern Society Library

    The Fern Society maintains a small botanical library for use by members. Fern research books are especially helpful for plant identification and cultural information and during the Fern Show. Members may check out a book for a month. Look at our listing on the Library Thing website: www.librarything.com/catalog/sdfernPlans for Diego County Fair Exhibits

    This year our garden exhibit at the fair is designed to be a Healing Garden. Ferns and greenery with a bench and a hint of water will evoke feelings of rest, relaxation and restoration of the person. In the garden, the color green dominates and natural elements combine to provide a refreshing experience. Our 2014 garden design was prepared by Kathy Thomson and is already approved by the Fair Garden Department.

    Please look over your plants to loan for the displays, and let Amna know at the May Fern Society meeting what you expect to bring. If you cannot attend the May meeting, please email to sandiegofernsociety@gmail.com
    to let us know what you expect to bring. As always, plants will need to be trimmed and free of pests!

    Planting day for the Fern Society exhibits at the San Diego County Fair is Saturday, May 31 at 9am. All ferns and other plants to be included must arrive at the fairgrounds by 10am that morning. We must allow time to place everything and add the mulch cover, and to arrange the container garden display. Then we will add plant labels and also prepare an accurate plant listing and garden information for signage. PLEASE label your loaned plants with owner name and correct plant name. Labels may be fixed to the back of mounted plants or pushed down into the container mix. Containers are generally buried in the landscape exhibit but are visible in the container garden, so these must be tidy.

    Small trees and tall plants are needed in our landscape exhibit as background to establish the garden environment and display the featured ferns. Site preparation, rock placement and tree planting will be a week ahead of planting day. Prep work begins at 9am Saturday May 24. Plant of the Month

    Polystichum polyblepharum grows upright and may develop a small trunk of five inches or so. Young fiddleheads bend back over in their development, indicating the common name, Tassel Fern. Fronds are bipinate and glossy green. Stipes are covered in silver to brown scales. Plants grow to about two feet tall, but occasionally twice that, appearing like a small tree fern.

    plant1
    Polystichum polyblepharum for sale at a local nursery. Photo credit: K. Russell.

    These ferns are common in their native forests of China, Korea and Japan, and are hardy to cold climates where temperatures dip to -5 degrees F, downright chilly. Polystichum polyblepharum came to the US fifty years ago for the florist trade, but soon became a popular garden plant.

    To grow P. polyblepharum, choose shade or dappled sun/shade and good soil where moisture can be maintained. This fern does well in hot summer areas if kept moist. Plants stay green all year in San Diego, showing strong new growth in early spring. The tattered fronds of the previous season may then be trimmed. P. polyblepharum is known to have lived for many years in a watered San Diego County yard without requiring any special care. Local nurseries currently have plants available in gallon container size, ready to go into your garden.

    frond1
    Frond of Polystichum polyblepharum. Photo credit: K. Russell.

    Reference:
    Olsen, S. (2007). Encyclopedia of garden ferns. Portland, OR: Timber Press.

    Cool Idea for Summer

    When the heat of summer is wilting you and your ferns, turn on your automatic watering system (or hire a good plant-sitter) and visit California’s high country.

    fern in snow1
    Chelianthes gracillima, a small but green fern, growing on a rock wall with snowpack around it. Photo taken in month of April in Lassen National Park at an elevation of about 7000 feet. Photo credit: K. Russell.

    Fern Reproduction

    Life Cycle of Ferns1
    Credit: Biologyatsmc, http://year12biologyatsmc.wikispaces.com/Life+Cycle+of+Ferns. Creative Commons.
    Calendar for 2014

    May 15
    June 19
    July 19 Social event hosted by Bob and Patty
    August 14 (2nd Thursday of the month)

    August 16-17
    San Diego Fern Show and Sale


    September 18
    October 9 (2nd Thursday of the month)
    November 20
    December 18 (Annual Meeting)
    Board Meetings
    Room 104, 7:30 pm on first Tuesday of July, September, November

    San Diego Fern Society Officers for 2014
    President
    Kathie Russell klrkath@yahoo.com
    1
    st Vice President and Secretary
    Amna Cornett amnacarol@yahoo.com
    2
    nd Vice President
    Bill Brannock
    Treasurer
    Jay Amshey coastbiomaterials@cox.net
    Board Members:
    Bruce Barry
    Bob Charlton kwyjibo@san.rr.com
    Bill Ganger wganger@sbcglobal.net
    Richard Lujan
    Past President
    Don Callard dcallard@san.rr.com

    Website

    www.sandiegofernsociety.com
    Webmaster: Bob Charlton kwyjibo@san.rr.com

    Membership

    Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:

    San Diego Fern Society
    2350 Jennifer Ln
    Encinitas CA 92024

    San Diego Fern Society Objects and Purposes

    The San Diego Fern Society was formed
    * to provide a source of information on ferns;
    * to arrange for people to study ferns together;
    * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

    The Society aims
    * to encourage all horticultural activities by example, education, exhibits, and donations;
    * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
    * to promote and stimulate interest in ferns;
    * to encourage and develop culture of various types and varieties of ferns;
    * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

    Volume XXXIX, Number 5

    APRIL MEETING

    The April 17 program will be on collecting fern spores. Everyone present in April can learn how this is done and try it at home using ferns with spores ready to harvest. We will view an excellent instructional slide presentation prepared by the late Barbara Joe Hoshizaki and her students. Barbara, a knowledgeable botanist and college professor, grew ferns herself and was always helpful to hobbyist fern growers. Her work continues to inform us through materials she prepared and her book, Fern Grower's Manual, co-authored with Robbin Moran.

    At the coming May meeting, you can bring spores that you have collected, and we will share and sow fern spores. The appropriate mix and containers will be provided in May, and you may take home your plantings. For those who have fern reference books at home, please read the sections on growing ferns from spores to prepare for the coming two meetings. Suggested readings are listed below. Yes, this is homework!

    Jones, D. L. (1987). Encyclopaedia of ferns. pp.140-153
    Olsen, S. (2007). Encyclopedia of garden ferns. Portland. pp.67-74
    Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. pp.72-82

    Report on March Meeting

    On March 20 we had a mini-lesson on Latin as used for fern names and options for pronouncing these names, courtesy of Jay Amshey. We also had a short photo presentation on Australian ferns used in sculpture.

    We then held our Spring Garden Sale, with a variety of interesting plants, as well as plant stands, containers, and more. Our spring clean-up yard sale was interesting and fun.

    San Diego County Fair

    At our meeting we will discuss our plans for the San Diego County Fair. You can view the proposed landscape design and consider your part in this outreach. The Fair has both promotional and economic benefits to the Fern Society, but requires support of the group. We are planning two entries for the 2014 Fair.

    Memberships

    Membership costs just $12.00 for a single person or a household in the San Diego Fern Society. See Jay Amshey at the April meeting or mail to the address on page 6. Also please inform us of changes to your contact information, such as your preferred email address.

    Fern Society Budget

    At the March meeting, members voted to approve the Fern Society Budget for 2014, as published in the March Fern World.

    Ferns as Food

    The subject of eating fiddleheads came up recently with Fern Society members. With our options in California, eating ferns seems rather unusual. In the northeastern areas of the US and also in Canada, fiddleheads are a food treat of spring.

    Before you go out picking ferns to eat, please be aware that there are safety issues and some ferns are considered somewhat toxic. Although Bracken Fern, Pteridium aquilinum, has been eaten in Asia, research shows it is carcinogenic (causing cancer) and should be avoided. This fern is common in San Diego County, dormant in winter with the fiddleheads appearing in spring.

    fern sign Palomar
    A sign near Palomar Observatory, San Diego County. The ferns growing here are Pteridium aquilinum, Bracken Fern. Photo credit: B. Russell.

    The usual plant which is harvested for its fiddleheads is Matteuccia struthiopteris, the Ostrich Fern. Fiddleheads are picked in early spring, when they have grown just an inch or two. Ostrich Ferns grow in swampy areas and along streams. Harvesting is in April, May and early June depending on how far north plants are growing. Those of us from San Diego would be wise to use a local guide to find and identify these small fiddleheads in their native areas.

    Both the US and Canada have issued warnings through their health agencies regarding consumption of raw fiddleheads. However after washing to remove the papery brown scales, the fiddleheads may be boiled or steamed and then used in recipes in a similar manner to asparagus. Fiddleheads are commonly served with melted butter or vinegar dressings. Using freshly cooked fiddleheads is the most desirable, but there are also methods of freezing, and fiddleheads may be preserved by pickling.

    Nutritionally, Ostrich Fern fiddleheads have fiber, Vitamins C and A, and omega-3 fatty acids.

    Shrimp and Fiddlehead Medley
    Recipe from Maine, Reference 1 below.

    Ingredients:
    1 pound fiddleheads, 6 ounces uncooked linguine, 6 cups water, 1-3/4 pounds fresh or frozen Maine shrimp, 1 teaspoon butter, 2/3 cup chopped onion, 1/2 cup diced green pepper, 1/2 pound sliced fresh mushrooms, 1 teaspoon thyme, 1/4 teaspoon pepper, 1/8 teaspoon salt, 1/8 teaspoon celery seed, 2 tablespoons lemon juice

    Directions:
    Cut off ends of fiddleheads. Remove scales and wash thoroughly. Bring water to a boil in a large saucepan; add shrimp and cook three to five minutes, or until done. Drain and set aside. Cook fiddleheads in boiling water for 15 minutes. Drain. Coat a large, nonstick skillet with cooking spray; add butter. Heat until butter melts. Add onion and green pepper and sauté until crisp-tender. Stir in fiddleheads. Meanwhile, cook pasta as directed, but without salt or oil, drain, set aside and keep warm. Add sliced mushrooms, thyme, pepper, salt and celery seeds to vegetable mixture; stir. Cook, uncovered, over medium heat three to four minutes or until mushrooms are tender, stirring often. Stir in shrimp and lemon juice; cook and stir until heated through. Place pasta on a large platter. Spoon shrimp mixture on top. Serves 6.
    M struthiopteris WA arboretum sm
    Matteuccia struthiopteris, the Ostrich Fern, growing at Washington Arboretum, Seattle WA. Photo taken in month of June. Photo credit: K. Russell.

    Gardening with Matteuccia struthiopteris is a challenge in San Diego, as this fern grows naturally in quite cold areas of Canada and the northeastern US. It is one of the most cold-tolerant of ferns, and plants do not grow well in locations with a hot summer. Ostrich Fern is large, with fronds of five feet in length, and spreads by runners to form large colonies in wet loamy acidic soil. The plumy feather-like fronds are the source of the common name. Fertile fronds are shorter and narrower, and brown in color. Matteuccia struthiopteris was recently available in a local nursery.

    References:
      Matteuccia in N Bend
      A container grown Matteuccia struthiopteris, purchased by Kathie Russell at the Hardy Fern Foundation Plant Sale in Seattle WA. This fern currently lives in Washington State. Photo credit: K. Russell.

      640px-Ostrich_Fern_Fiddlehead
      Fiddleheads of Matteuccia struthiopteris, the Ostrich Fern, growing in Ontario, Canada. Photo taken in month of May. Photo credit: Zimmerzute, Creative Commons.

      The Leaf Lifespan of Ferns

      Fern fronds may live for just a few months, or for one growing season, or even for several years. When preparing your ferns to show, it is useful to understand what is happening. Fern growers will need to groom their plants before placing them in the San Diego County Fair or the San Diego Fern Show. However, understand that the green leaves are necessary for a healthy plant and it may not be best to cut too much.

      Researchers studied some fern species to learn about leaf lifespan, and reported their findings. Of these ferns, the shortest leaf lifespans were found for Botrychium, the Grape Ferns. Their leaves survived just two to three months. Contrast this with a Mexican epiphytic fern, Terpsichore asplenifolia, with leaves remaining an average of 5 years. In one species studied, Botrychium virginianum, leaf lifespan in temperate areas of North America was just four months, while under different climatic conditions in Peru it was 17 months.

      ghost 2DC
      Athyrium nipponicum 'Ghost" is a summergreen fern. US National Botanic Garden, Washington DC. Plants are available at local nurseries. Photo credit: K. Russell.

      Temperate climate ferns are generally categorized into three types: summergreen, wintergreen and evergreen. As expected, the summergreen ferns produce new fronds in spring that die back at the end of the growing season in early fall. Adiantum aleuticum and Matteuccia struthiopteris are examples of this type. Athyrium nipponicum 'Pictum', which can be found in local nurseries, also falls into this category. Wintergreen ferns have green fronds through the winter, which die back just before the new growth. Some Polypodium species show this pattern. Evergreen ferns retain their leaves longer than a year, with new fronds appearing as older ones die. For the ferns of Britain and Ireland, growing in temperate climates, the summergreen fern leaves lived an average of five months, while for wintergreen about 11 months and evergreen fronds about 16 months.

      Tropical ferns are often evergreen as there is little change of seasons. Some tropical and suptropical areas have a dry season and the ferns may be deciduous. Especially, epiphytic ferns with their shallow roots may loose their leaves each year, growing again as the rainy season begins. Tropical areas studied had mean sterile frond lifespans of 15 months in Hawaii, 17 months in Jamaica, 26 months in Puerto Rico and 17 months in Taiwan. In dimorphic species, those having different fertile and sterile fronds, the fertile fronds were usually shorter lived.

      In some cases, the dead leaves may still serve the fern. Drynaria and Platycerium ferns both retain their short-lived green shield fronds, which then collect humus and provide structure to the plant. In general, fast-growing ferns have shorter leaf lifespans, and sun species have shorter leaf lifespans than shade species.

      With all of this in mind, learn about your specific ferns and watch them through the seasons. When fronds stop growing or die back, understand what is happening and care for your plant appropriately, such as by reducing water. Then when new growth comes, provide optimal conditions and just enjoy your ferns. Trim dead or declining fronds seasonally and groom your ferns before taking to the Fair or the Fern Show.

      Reference:
      Mehltreter, K., & Sharpe, J. M. (2013). Variability of leaf lifespan of ferns. Fern Gazette, 19(6), 193-202.
      Plant of the Month

      Didymochlaena truncatula is quite a name for a fern. The genus name, Didymochlaena or double cloak, is sourced in Greek rather than Latin and presumably refers to the indusium which wraps around both side of the leaf vein. The species name truncatula is from Latin, meaning truncate, for the squared off ends of the pinnules. Fortunately for us who speak English, this plant does have a common name, Mahogany Fern, which is descriptive of the color of new fronds. As in many ferns, the fronds become green with maturity.

      Mahogany fronds
      Didymochlaena truncatula is known as the Mahogany Fern. Young fronds are a striking reddish brown color, later turning green. Photo credit: K. Russell.

      Mahogany Fern may grow two feet tall or more, and may need mulch around the base to support large plants. It is somewhat sun tolerant, a useful garden option. Plants are kept indoors in cooler climates but in San Diego should be grown outside. In nature Didymochlaena truncatula grows along creeks, so that gives us a clue to keep it moist. Like most ferns it prefers good drainage so do not over water.

      Mahogany fern
      Plants of Didymochlaena truncatula are available from a local nursery. Photo credit: K. Russell.

      Even with variability in the plants growing in tropical and subtropical areas around the world, all Didymochlaenas are considered to be this one species. Look for it on your next trip to sub-Saharan Africa, where it can be found in deep ravines near mountain streams. Or, explore south or southeastern Asia and islands, or Mexico through Central and South America and islands. For a less expensive but also less adventurous option, check out your local nursery and purchase a Mahogany Fern while they are available.

      References:
        2. Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.


        Untitled
        Diagram of fern leaf apices, that is, the tips of the fronds or pinnules.
        Credit: Elizabeth Pelz in The Best of Fern World 1988.


        Calendar for 2014

        April 17
        May 15
        June 19
        July (Social event to be determined)
        August 14 (2nd Thursday of the month)

        August 16-17
        San Diego Fern Show and Sale


        September 18
        October 9 (2nd Thursday of the month)
        November 20
        December 18 (Annual Meeting) Board Meetings
        Room 104, 7:30 pm on first Tuesday of May, July, September, November


        San Diego Fern Society Officers for 2014

        President
        Kathie Russell klrkath@yahoo.com
        1
        st Vice President and Secretary
        Amna Cornett amnacarol@yahoo.com
        2
        nd Vice President
        Bill Brannock
        Treasurer
        Jay Amshey coastbiomaterials@cox.net
        Board Members:
        Bruce Barry
        Bob Charlton kwyjibo@san.rr.com
        Bill Ganger wganger@sbcglobal.net
        Richard Lujan
        Past President
        Don Callard dcallard@san.rr.com


        Website

        www.sandiegofernsociety.com

        Webmaster: Bob Charlton kwyjibo@san.rr.com

        Membership

        Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
        San Diego Fern Society
        2350 Jennifer Ln
        Encinitas CA 92024



        San Diego Fern Society Objects and Purposes

        The San Diego Fern Society was formed
        * to provide a source of information on ferns;
        * to arrange for people to study ferns together;
        * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

        The Society aims
        * to encourage all horticultural activities by example, education, exhibits, and donations;
        * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
        * to promote and stimulate interest in ferns;
        * to encourage and develop culture of various types and varieties of ferns;
        * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

        Volume XXXIX, Number 4

        MARCH MEETING

        March 20 brings our Spring Garden Sale. Based upon past years, attendees can expect a variety of interesting plants, as well as plant stands, containers, books and more to be available. Plan to attend and take home some garden treasures at budget prices. Our version of the spring clean-up yard sale allows creative reuse of garden items and benefits us all.

        At this event, you may sell your own ferns and surplus garden items on consignment with the Fern Society. If you wish to sell items, please read the sales policy on page 2. Also, ferns may be donated to the Society for the sale.

        The program for March will include a mini-lesson on Latin as used for fern names. Most of us struggle to pronounce and understand the names of our plants, and Jay Amshey will help us with our Latin names!

        We also have a short photo presentation on Living Ferns in Sculpture. These photos are from an art show that Amna noticed, from Australia. No one from our club was able to attend this show but in the digital age we can all enjoy it and be inspired!

        Refreshments

        Following our Fern Society meeting, we will enjoy refreshments and time to visit. Kathleen Thomson and Paula Couturier will be our providers.

        Report on February Meeting

        Our yearly Platycerium Night was held February 20. Don Callard gave his presentation World of Platyceriums: From A to Z with photos of the species and many cultivars. Don has experience with all of the Platycerium species and is very knowledgeable regarding their care in San Diego area gardens. He graciously shared his expertise with the Fern Society, inspiring us to grow these interesting ferns. A successful sale of Platycerium ferns followed the meeting.

        Memberships

        It is time for membership renewals for 2014. $12.00 will pay for a single or a household membership in the San Diego Fern Society. See Jay Amshey at the March meeting or mail to the address on page 6. Also please inform us of changes to your contact information, such as your preferred email address.

        Annual Budget

        At the March meeting members will vote on the Fern Society Budget for 2014, presented by the board to the membership and published on page 3. Please be prepared with any questions.
        Spring Garden Sale this Month

        Bring a little cash to enjoy the sale following our March program. This is our opportunity to creatively reuse the gardening items many of us collect. These gardening treasures are too good to throw out, but no longer needed and can be offered to others. This sale provides a great opportunity to buy and sell plants between Fern Society members. You may donate some ferns and specialty plants to the sale, or sell them on consignment. As always, make sure any plants you bring are in clean containers or mounted or bagged, trimmed and free of pests, and labeled.

        Also, you may either donate to the Fern Society or sell on consignment any of these:
        (Please note: no pesticides or toxic substances are allowed.)

        This is cash sales only. Sorry, the Fern Society is unable to accept credit cards for your purchases. Unsold items must go home with the seller, as the Fern Society has no extra storage space in Balboa Park.

        Consignment sales policy:

        Plants and sale items shall be clearly priced; two-thirds of sales price will go the seller and one-third to the San Diego Fern Society. A correct plant name tag is desirable. Vendor shall provide an inventory list stating seller name, number and type of plants or other gardening items for sale and their retail price. To sell consignment items, check your list and sale items in with a board member in Room 101 at 7 pm, and then check out at the end of the sale.


        Summer with Ferns

        Dates for the San Diego County Fair are June 7 through July 6, 2014. Exhibit preparation will be during the last two weekends of May, with plants in place by May 31. This is your opportunity to display your ferns before a million people, literally. Last year 1.4 million guests came, and the Garden Exhibits are consistently a highlight. This year will be The Fab Fair, with a garden theme of Flower Power. The themes allude to the Beatles era.

        Individuals may enter plants in the fair also. There are several categories including one exclusively for Staghorn Ferns. Entry is just $10 and awards are $30 for first place, $25 for second and $20 for third. It would be very appropriate for members of the Fern Society to enter plants! You may view the San Diego County Fair information at www.sdfair.com. From the links on the left, choose Competitive Exhibits, then Garden Show, then Landscape and Container Garden Show. See Division 2003 Class 6; information on page 11 of the Garden Show Entry Book.

        A show will be presented by LAIFS, Los Angeles International Fern Society, July 26-27. This is change from their previous show month, and should make it easier for San Diegans to attend. The LAIFS show is held at the Los Angeles County Arboretum in Arcadia.

        The 2014 San Diego Fern Show and Sale will be held August 16 and 17 in Room 101, Casa del Prado, Balboa Park. Take advantage of this unique opportunity to show your plants, especially your favorite beautiful and unusual ferns. Entry in the Fern Show is open to all, not just members. The Show educates the public regarding attractive ferns for San Diego, displaying the many varieties we are able grow in our climate. As always, we will need assistance from all our members for the various responsibilities of our Fern Show and Sale.
        San Diego Fern Society 2014 Budget

        INCOME

        Book sales 0.00
        Donations 300.00
        Dues 480.00
        Hort. material for resale 0.00
        Interest income 0.00
        Merchandise 0.00
        Name badges 0.00
        Other not-tax income 0.00
        Party income 100.00
        Plant sales (other than Show) 300.00
        Plant table income 100.00
        Prizes & Awards 1350.00
        Show income: Plant sale 1700.00

        TOTAL INCOME 4030.00




        EXPENSES

        Assn. Dues:
        SD Botanical 75.00
        SD Floral 40.00
        TOTAL Assn. Dues 115.00
        Bank charges 180.00
        Books for sale 0.00
        Domain name fee 0.00
        Exhibit expenses 300.00
        Fern World:
        Postage 220.00
        Printing 270.00
        TOTAL Fern World 490.00
        Gifts & Honors 100.00
        Hort. supplies 0.00
        Library:
        Books 50.00
        Supplies 50.00
        TOTAL Library 100.00
        Marketing 0.00
        Meeting plant cost 100.00
        Name badge cost 30.00
        Off Budget 0.00
        Operating expense 0.00
        Party costs 50.00
        Program (honoraria) 400.00
        Refreshments 30.00
        Show expense:
        Misc. expense 0.00
        Plants 1200.00
        PR costs 75.00
        TOTAL Show Expense 1275.00
        State tax 150.00

        TOTAL EXPENSES

        simple and entire
        3320.00Fern Frond descriptions. Above: Simple and Entire (example: Asplenium australasicum). Below: Bifurcate (example Platycerium
        bifurcate



        palmatepinatifid

        bifurcatum), Palmate (example Doryopteris palmata), Pinnatifid (example Phlebodium aureum). Credit: Elizabeth Pelz in The Best of Fern World 1988.



        An interview with our own artist, Kathleen Thomson


        What types of art have you been involved with as an adult? Do you sell your art?

        Most of my art has been two dimensional although I spent a few years obsessed with making organic looking ceramic tea bowls and sculptures. Then I started making flat ceramic things and painting them and finally I decided it would be easier to draw and paint on paper and canvas. I also put in many years as a professional photographer, but the digital age and my low vision ended that. I still take lots of pictures, though. I have a degree in art from SDSU and have won many awards and sold a fair amount of work over the years.

        How do you suggest integrating art into a home patio garden featuring containers, or a small planting area?

        Containers are great in small gardens and on patios. They can add color, variety of shapes and styles and offer a convenient way to display plants at different heights. They can also provide a platform or a backdrop for a piece of sculpture that is featured in the garden. Some planters can be very sculptural in form all by themselves. I like the idea of art that is enhanced by plants twining around it or growing on it. Plants are living art and I don't think they need too much man made art to set them off.

        How can a garden of mostly green ferns have a color scheme or be colorful?

        Getting back to containers, choosing ones that have a pleasing color scheme and integrating them into the landscape can add variety to the scenery. The artistic placement of naturally colored rocks and boulders can make the garden seem warmer or cooler. Painting a wall or fence that is behind the fern garden can also make it become very colorful. A friend from the Portland area who suffers from “seasonal affective disorder” has his backyard fence painted bright orange. It vibrates against the green and makes him feel more cheerful.


        The Garden Show at the Del Mar Fair with its leader, Cindy Benoit, is working to show better landscape design. Last year Cindy designed a new structure to showcase our container plants. How can we present our landscape entry in a more artistic way, to show off ferns but also have a pleasing display? (Last year we had your kite!)

        I have to be honest, before I joined the Fern Club I had no idea there were so many different shapes and sizes of ferns. Creating groupings that juxtapose different leaf shapes might be a way to show off the variety among the ferns.

        Designing a display for the fair seems like a challenge since you don't know exactly how many and what types of ferns you will have, plus following the theme and keeping within the budget. One thing I would suggest is that since most of the ferns are not very tall, there might be one or two raised platforms where some of the containers could be placed so that the ferns could be seen from a different angle and the space would be used in a more three dimensional way. But maybe you've already done that, I can't remember.

        I look for inspiration to the very best in garden design. Examples are works of Isamu Noguchi, sculptor and landscape designer, (www.noguchi.org), and the gardens of the two Getty museums in southern California. The Getty Villa in Malibu attempts to reconstruct the gardens of ancient Rome and gives an interesting perspective for gardens today. The Getty Center gardens designed by artist Robert Irwin and Noguchi's gardens both embody the idea that the artists are not the creators but that they are collaborating with nature. They embrace the natural changes brought about by seasons, growth and decay. I know these are rather grand projects compared to the fair display but the ideas behind them can be incorporated on any scale.

        kite1
        San Diego County Fair 2013, backdrop of San Diego Fern Society landscape display. Photo credit: K. Russell.

        How important is a water feature to a fern garden?

        I always love water features but I wonder if it isn't time for us in southern California to come up with an alternative. One of the things I've seen at the fair is the "plant fountain," with trailing plants appearing to cascade off the side of a concrete fountain. I've never seen this done with ferns but maybe some ferns might achieve this effect. I have been looking at pictures of Japanese gardens and some of them combine ferns and rocks and gravel raked in wavy lines to suggest water. Perhaps there are wind chimes that mimic the sound of water.
        Do you care to comment on art as an artist living with visual impairment?

        I have macular degeneration which affects my central vision, making it hard to read or see fine details. It also creates blind spots so sometimes things just disappear and then reappear. However, my peripheral vision is relatively good so to some degree I've adapted to this problem. As far as painting and enjoying the visual beauty of gardens I haven't felt too much impact.

        I do think about creating artistic and outdoor experiences for the blind. In the outdoors, the feel of sunlight on your skin or the sound of a breeze moving through foliage can still evoke the same feelings as seeing it. Since childhood, I have always appreciated the scent of different plants, especially our humble chaparral habitat, so I guess that will never change. I haven't noticed if ferns have a scent – do they?

        Editor's note: The Hay-scented Fern, Dennstaedtia punctilobula, is said to have a fragrance similar to fresh-mown hay. This hardy fern is common in woodlands of the eastern United States. Dryopteris fragrans is known for a fruity aroma. It grows in northern, cool summers areas, in Alaska, Minnesota, Michigan, New England and Canada. For San Diego, a fragrant native plants garden with some native ferns included would be an alternative sensory garden.

        2013fair container1
        San Diego County Fair 2013, San Diego Fern Society container display. Photo credit: San Diego County Fair.



        Calendar for 2014

        March 20
        April 17
        May 15
        June 19
        July (Social event to be determined)
        August 14 (2nd Thursday of the month)

        August 16-17
        San Diego Fern Show and Sale


        September 18
        October 9 (2nd Thursday of the month)
        November 20
        December 18 (Annual Meeting) Board Meetings
        Room 104, 7:30 pm on first Tuesday of May, July, September, November



        San Diego Fern Society Officers for 2014

        President
        Kathie Russell klrkath@yahoo.com
        1
        st Vice President and Secretary
        Amna Cornett amnacarol@yahoo.com
        2
        nd Vice President
        Bill Brannock
        Treasurer
        Jay Amshey coastbiomaterials@cox.net
        Board Members:
        Bruce Barry
        Bob Charlton kwyjibo@san.rr.com
        Bill Ganger wganger@sbcglobal.net
        Richard Lujan
        Past President
        Don Callard dcallard@san.rr.com

        Website

        www.sandiegofernsociety.com
        Webmaster: Bob Charlton kwyjibo@san.rr.com

        Membership

        Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:

        San Diego Fern Society
        2350 Jennifer Ln
        Encinitas CA 92024



        San Diego Fern Society Objects and Purposes

        The San Diego Fern Society was formed
        * to provide a source of information on ferns;
        * to arrange for people to study ferns together;
        * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

        The Society aims
        * to encourage all horticultural activities by example, education, exhibits, and donations;
        * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
        * to promote and stimulate interest in ferns;
        * to encourage and develop culture of various types and varieties of ferns;
        * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


        Volume XXXIX, Number 3

        FEBRUARY MEETING

        Our yearly
        Platycerium Night will be Thursday, February 20, where we will be able to learn about the numerous species of Platyceriums. Commonly called Staghorn Ferns, these unique plants grow in tropical and subtropical forest areas of the world, from Philippines south through Malaysia and islands to Australia, across to Madagascar and Africa, and in one area of South America.

        Many of these
        Platycerium species are easy to grow in San Diego; some require special care. Our own Staghorn expert, Don Callard, will share his presentation World of Platyceriums: From A to Z which includes photos of the species and many cultivars. Don is well known for growing Platyceriums and has been asked to give informative programs to other fern and botanical groups. His Platyceriums even hang in the glasshouse of the US Botanic Garden in Washington DC.

        Platycerium ferns will be sold after the meeting, so bring some cash to enjoy this special opportunity. Platycerium Night is a great time to invite your gardening friends for this popular meeting.

        Refreshments

        Following our Fern Society meeting, we will enjoy refreshments and time to visit. Bill Brannock and Nancy Hoyt will be our hosts.

        Report on January Meeting

        The San Diego Fern Society met January 16 for the first meeting of 2014. Our January program featured Tropical Ferns, with photos and information from a Thailand grower. San Diego's mild climate makes it easier to grow tropical and subtropical ferns than in many areas of the US. Amna Cornett provided beautiful photos with information on diverse kinds of tropical ferns which are in cultivation.

        Memberships

        It is time for membership renewals for 2014. $12.00 will pay for a single or a household membership in the San Diego Fern Society. See Jay Amshey at the February meeting or mail to the address on page 6.

        Coming in March

        March 20 is our Spring Garden Sale. Based upon past years, attendees can expect a variety of plants, as well as plant stands, containers, books and more to be available. Plan to attend and take home some garden treasures at budget prices. Creative reuse of garden items benefits all.

        At this event, you may sell your own ferns and surplus garden items on consignment with the Fern Society. Also, ferns may be donated to the Society for the sale.

        San Diego Fern Society Library

        The Fern Society maintains a small botanical library for use by members. Fern research books are especially helpful for plant identification and cultural information and during the Fern Show. Members may check out a book for a month. Look at our listing on the Library Thing website: www.librarything.com/catalog/sdfern
        Platycerium andinum

        All species of the
        Platycerium genus are found in natural habitats entirely in the Old World tropics and subtropics with one exception. That is Platycerium andinum, which grows in South America in the dry forests of the eastern Andes Mountains, in Peru and Bolivia. It is found at elevations from 300 feet up to about 4000 feet. Plants most often grow on the rough bark of Quinilla trees in the understory of the forest. Sometimes the clumps grow so large they reportedly break down the tree branches on which they are growing. A tall and slender plant, Platycerium andinum may be the largest fern in South America. In nature the fertile fronds grow more than 6 feet long. This species forms pups, but not freely and it is not considered a rapid grower.

        Known as the Crown of the Angels,
        P. andinum forms its pups side-to-side and thus encircles the tree. The plants all become about the same size so the original plant cannot be determined. The shield fronds normally turn brown each year and a new layer of green shield fronds grows, generally in December, early summer in the southern hemisphere. Fertile fronds develop later. Spore patches are in the branching area of the frond. The tips of the fertile fronds continue to extend even after the spore patch has formed.

        British naturalist Richard Spruce reported Platycerium andinum in the mid-1800s in Tarapoto, Peru. The scientific name Platycerium andinum and description were provided by Mr. Baker in 1891 who gave its typical location as Tarapoto, San Martin, Peru. Strangely, it was then lost to botanists, such that one writer suggested it was merely a cultivated Australian garden plant. Nearly 100 years after Spruce's account, Lee Moore found one cluster of P. andinum near Pucallpa, Peru in 1962. (It is interesting to note that the South American species was recognized in an article in California Garden magazine prior to this rediscovery, in 1957.) Moore was unable to locate additional P. andinum plants. But soon plants were found near Tarapoto, and this fern went into cultivation.

        Roy Vail, retired biology teacher and author, has visited the area several times and is concerned for the protection of Platycerium andinum and the unusual tropical dry forest biome. Much land has been cleared for lumber and now is in agricultural uses. San Martin, Peru, is in the heart of this forest habitat with giant trees, many palm species, huge cacti, giant ferns, orchids, and also unique animal species such as frogs and butterflies. A conservation group of farmers, Asociacion el Bosque del Futuro Ojos de Agua or ABOFOA, utilizing support from outside Peru, has established a federal reserve to protect some of this area. This preserve is Ojos de Agua, the Eyes of Water Forest.

        andinum tree1
        andinum view below1

        Platycerium andinum in Ojos de Agua, Peru, viewed in tree and from below. Photo credit: César Aguilar, Creative Commons. www.viajesnaturalistas.blogspot.com
        p andinum 2011 sm1

        Platycerium andinum in 2011 San Diego Fern Society Show. Photo credit: K. Russell.

        Charles Alford suggests that Platycerium andinum seems to grow better in California with our dry climate than in warm, humid areas of the US. Plants do not perform well if kept constantly wet.

        References:
          Water in a thirsty land

          Predictions of reduced water availability this season are upon us in California. Rather than wait until conditions are extreme, perhaps gardeners should think about water use now. Rain barrels and other water storage devices have been around since pre-history in dry climates such as the Middle East. Options today include simple barrels as well as attractive containers. The necessary component to rainwater storage is ... rain! If you choose to collect rainwater, read up on rain storage options as you don't want the surprise of mosquitoes.

          Plan to do your garden renovations while rainfall is still possible, in early spring. If rain is predicted, it may be an appropriate time for planting outdoors. Cooler weather such as what we call "June gloom" will mean less watering of new plantings. Then again, this may not be the best year for a complete garden renovation nor for planting water intensive landscaping.

          Ferns are no more thirsty than many other landscape plantings. Since you need not wait for flowers to bloom, ferns have the advantage of providing green beauty for months on end. When newly planted or when growing in a small container, it is important to keep the fern moist. Some types of ferns grow in the desert areas of San Diego County and elsewhere, but in general ferns should have regular water during their growing season. Some, such as
          Adiantums (maidenhair ferns) should not be allowed to dry out. For home and patio gardening, ferns are best kept in containers or planting beds with good drainage. Automatic watering systems are easier to establish and monitor when ferns are clustered, and drip watering may be a good option this year.

          Grouping ferns for humidity and watering convenience and mulching around plantings are techniques for limiting water use. The appropriate amount of shade will encourage healthy fern growth. Terrariums need very little water once established, and provide a perfect environment for some ferns.

          Ferns growing in rich soils should not need supplemental fertilizer. A plant which produces healthy green fronds demonstrates that it does not need to be fertilized. If used, fertilizer should be applied only while ferns are actively growing, and should be diluted to half or quarter strength. Excess fertilizer will tend to make the plant use water and grow too large for its conditions. A better plan is to grow your plant in the right mix to meet its horticultural needs, replanting when needed.

          With the proper conditions, your ferns should not require excessive water. You may monitor the environmental situation of temperature, humidity and wind and adjust watering accordingly. When plants wilt, the most common cause is overwatering.

          Reference:
          Hoshizaki, B. and Moran, R. (2001).
          Fern grower's manual. Portland, OR: Timber Press.

          Summer Plans with Ferns

          Dates for the
          San Diego County Fair are June 7 through July 6, 2014. Exhibit preparation will be during the last two weekends of May, with plants in place by May 31. This is your opportunity to display your ferns before a million people, literally. Last year 1.4 million guests came, and the Garden Exhibits are consistently a highlight. This year will be The Fab Fair, with a garden theme of Flower Power. The themes allude to the Beatles era.

          The 2014
          Fern Show and Sale will be held August 16 and 17 in Room 101, Casa del Prado, Balboa Park. This is a unique opportunity to show your plants, especially your favorite beautiful and unusual ferns. Entry in the Show is open to all, not just members. The Show will educate the public regarding attractive ferns for San Diego, displaying the many varieties we are able grow in our climate.
          rain barrel1

          This rain barrel uses downspout rain chain to direct rainwater from roof into the storage container, and a hose bib below to drain the water. Made of polyethylene resin, it holds 65 gallons. Priced at around $100, rain barrels provide rather expensive water, and are still dependent upon rainfall. Photo credit: K. Russell.

          Care of your ferns this spring will make it easier to show them at their best in summer. Once fiddleheads appear,
          Adiantum ferns with small leaflets should have all old fronds removed. This allows space for new fronds to develop and saves tedious trimming later.

          Similarly, trim the fronds from
          Davallia and Drynaria (but not the shield fronds). Some other ferns which grow in spring can also be trimmed, especially old damaged fronds. Not all ferns have strong spring growth, so you may wish to delay cutting back green fronds. In nature some ferns retain their fronds longer than a year.
          Naming the Platycerium ferns

          Sometimes those complicated fern names are easier to use and understand if you know their origins. Ferns and other plants are named in Latin, the traditional language of science in Europe. However, botanical Latin is a bit more creative, and Greek words, as well as geographic and personal names, are blended into the naming process. Some
          Platycerium names and their presumed meanings are listed here.

          platycerium flat horn
          alcicorne like antlers of elk
          bifurcatum twice-forked
          coronarium garland, circle, crown
          superbum superb
          hillii after Hill
          veitchii after J. Veitch, nurseryman
          andinum of the Andes mountains
          angolense of Angola
          grande large
          holttumii after R. Holttum, botanist
          madagascariense of Madagascar
          ridleyi after J. Ridley, botanical author
          wallichii after N. Wallich, horticulturalist
          quadridichotomum branched four times
          stemaria garland or wreath (from Greek)
          willinckii after M. Willinck
          The species names
          ellisii and wandae could be derived from personal names.

          p on palmcyn1
          Calendar for 2014

          February 20
          March 20
          April 17
          May 15
          June 19
          July (Social event to be determined)
          August 14 (2nd Thursday of the month)

          August 16-17
          San Diego Fern Show and Sale


          September 18
          October 9 (2nd Thursday of the month)
          November 20
          December 18 (Annual Meeting) Board Meetings
          Room 104, 7:30 pm on first Tuesday of March, May, July, September, November

          San Diego Fern Society Officers for 2014


          President
          Kathie Russell klrkath@yahoo.com
          1st Vice President and Secretary
          Amna Cornett amnacarol@yahoo.com
          2nd Vice President
          Bill Brannock wbrannock410@aol.com
          Treasurer
          Jay Amshey coastbiomaterials@cox.net
          Board Members:
          Bruce Barry
          Bob Charlton kwyjibo@san.rr.com
          Bill Ganger wganger@sbcglobal.net
          Richard Lujan
          Past President
          Don Callard dcallard@san.rr.com

          Website

          www.sandiegofernsociety.com

          Webmaster: Bob Charlton kwyjibo@san.rr.com

          Membership

          Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
          San Diego Fern Society
          2350 Jennifer Ln
          Encinitas CA 92024



          San Diego Fern Society Objects and Purposes

          The San Diego Fern Society was formed
          * to provide a source of information on ferns;
          * to arrange for people to study ferns together;
          * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

          The Society aims
          * to encourage all horticultural activities by example, education, exhibits, and donations;
          * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
          * to promote and stimulate interest in ferns;
          * to encourage and develop culture of various types and varieties of ferns;
          * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

          Volume XXXIX, Number 2

          JANUARY MEETING

          The San Diego Fern Society will meet Thursday, January 16, 2014. The Society will convene at 7:30 pm in Casa del Prado Room 101, Balboa Park.

          In January our program will be Tropical Ferns, with photos and information from a Thailand grower. As the rest of the country endures winter, San Diego enjoys a mild climate where tropical and subtropical ferns may be grown. Amna Cornett has these beautiful photos with information on diverse kinds of tropical ferns and
          Selaginellas.

          This is a change from our previously scheduled Platycerium Night, which has been moved to February 20.

          Memberships

          It is time for membership renewals for 2014. $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2014. See Jay Amshey at the January meeting or mail to the address on page 6.

          Refreshments

          Following our Fern Society meetings we enjoy refreshments and time to visit. There will be a clipboard at the meeting to sign up to bring goodies for the coming year 2014.

          Report on December Meeting

          The San Diego Fern Society held its Annual Meeting and Party on December 19, 2013 at 6:30 pm. Delicious ham, turkey and gravy were provided, as well as rolls and butter and beverages. Attendees brought side dishes and desserts to give us a festive and delicious meal together. After dinner the business of the evening was the election and installation of officers, listed on Page 6. Each person then received a six inch sized fern to take home.

          Coming in 2014

          Meeting plans call for our yearly
          Platycerium night to be on Thursday, February 20. We will have the opportunity to learn about the numerous species of Platyceriums. Commonly called Staghorn Ferns, these unique plants grow in tropical and subtropical forest areas of the world, from Philippines south through Malaysia and islands to Australia, across to Madagascar and Africa, and in one area of South America.

          Many of these
          Platycerium species are easy to grow in San Diego; some require special care. Our own Staghorn expert, Don Callard, will share his presentation including photos of the species with us. He is well known for growing Platyceriums and has been asked to give informative programs to other fern and botanical groups. His Platyceriums even hang in the glasshouse of the US Botanic Garden in Washington DC. This is a great opportunity to invite your gardening friends to this popular meeting.

          March 20 is our Spring Gardeners Sale. Based upon previous years, attendees can expect a variety of plants, as well as plant stands, containers, books and more to be available. Plan to be there and take home some "found" garden treasures at budget prices. Creative reuse of garden items is a benefit to all.

          At this event, you may sell your own ferns and surplus garden items on consignment with the Fern Society. Also, ferns may be donated to the Society for the sale.

          Dates for the
          San Diego County Fair are June 7 through July 6, 2014. Exhibit preparation is planned during the last two weekends of May, with plants in place by May 31.

          The 2014
          Fern Show and Sale will be held August 16 and 17 in Room 101, Casa del Prado, Balboa Park.

          Growing Tropical Ferns

          With San Diego's mild climate, fern growers can readily enjoy tropical plants. However, they are not all alike in their tolerance for cold, and temperature classification is somewhat arbitrary. Knowledge of the fern's natural habitat may be useful, but some ferns which grow in tropical areas of the world actually do tolerate a bit of chill. Ferns native to tropical lowlands generally should be protected from cold. Southern Florida and low elevation areas of Hawaii may be favorable for these. Ferns which grow naturally in the cooler upland tropics, such as many tree ferns, may be at home outdoors in coastal San Diego areas.

          John's ferns Ecuador 20120
          A collection of tropical ferns from Ecuador at San Diego Fern Show 2012. Photo credit: K. Russell.

          Tender ferns, sometimes referred to as "stove ferns" in British literature, may grow best with nighttime temperatures at 60ºF or above. These plants need protection in San Diego during the cooler months of the year. Subtropical and tropical plants do not grow much during winters of cooler weather and less sunlight, so they should be given less water. Some measures can be taken to protect plants from temporary cold periods using various coverings, heating or fog.

          Expect ferns which are damaged by frost to wilt and turn black. If the rhizome is undamaged the plant may grow fronds again and recover in a season or two. Tree ferns should be watered sparingly, watching for new growth before removing the frost-damaged fronds.

          Which ferns are truly tropical?

          Many people consider ferns to be just houseplants. In garden centers there are sometimes very interesting ferns for sale at modest cost with a generic label of "tropical foliage". To best enjoy these ferns, determine the plant name and growing needs. Their requirements are not based on whether they are tropical in appearance.

          Adiantum
          The Adiantum ferns most commonly found for sale are tolerant of fairly cold weather. A. raddianum with its many interesting cultivars, and A. hispidulum, sometimes called the rosy maidenhair as it shows bright pink new growth in spring, are both easily grown outdoors in the San Diego area and in other mild climates. Both are winter dormant in cold areas, and A. hispidulum is considered semi-hardy.

          Some other desirable maidenhair ferns are not so cold tolerant.
          Adiantum macrophyllum is native to the American tropics including Puerto Rico, and is considered tender. This fern has lovely coloring on new fronds, especially the cultivar 'Peaches and Cream'. Adiantum trapeziforme is also tender with large leaflets, and found in Central America and islands. Another desirable species is Adiantum peruvianum which is native to Ecuador, Peru and Bolivia. These maidenhair ferns need warmer winters than San Diego region provides, but all are recommended for low to medium light situations, so indoor growing is an option as well as greenhouse culture.

          A macrophyllum0
          Adiantum macrophyllum showing colorful new growth. Photo credit: K. Russell.

          Adiantum concinnum is a tender maidenhair with small leaflets, common in tropical America. Adiantum caudatum, the trailing maidenhair, is native to tropical Africa, India and Asia. It needs protection from cold but is sometimes grown outdoors in San Diego near the coast. This interesting plant has long narrow fronds up to 20 inches in length which develop a bud at the tip, producing a new little plant.

          Asplenium
          Asplenium nidus is the Bird's Nest Fern that is tender, from the Old World tropics and Hawaii. The similar Bird's Nest Fern more commonly sold in the US is Asplenium australasicum, considered semi-tender. Grower plant labels may be incorrect. Asplenium antiquum, native to Taiwan and Japan, may be the most cold tolerant of the three. Asplenium goudeyi also grows well outdoors in the San Diego area.

          Other
          Aspleniums vary from cold hardy, such as Asplenium marinum and Asplenium ruta-muraria, to tender. Asplenium longissimum, native to Philippines, southeastern Asia and islands, is a tender fern with fronds extending three feet long. Also from southeastern Asia, Asplenium thunbergii is a tropical fern which can be grown in a hanging container and may be propagated by the leaf buds. The tropical and subtropical species of Aspleniums do well growing indoors.

          Blechnum
          The Blechnum ferns which are commonly grown into small tree ferns, Blechnum gibbum and B. brasiliense, are both considered semi-tender to tender. B. gibbum is native to South Pacific islands and B. brasiliense is from South America.

          B brasiliense 20130
          Blechnum brasiliense also shows colorful fronds. Fern Show 2013. Photo credit: K. Russell.

          Blechnum appendiculatum is semi-hardy, whereas Blechnum occidentale, similar in appearance, is tender. Most US gardens with plants identified as B. occidentale are actually growing the hardier species B. appendiculatum. Blechnum serrulatum, native to Florida, the tropical Americas and south/southeastern Asia and Australia, is tender to cold. It forms dense colonies in moist to wet areas in strong light and even full sun. This plant is sometimes called Swamp Fern or Saw Fern.

          Davallia
          Most of the various species of Davallia are tender, but some, such as Davallia mariesii and Davallia tyermannii, seem to tolerate brief periods of cold temperature down to freezing. Some of the semi-hardy species come from Japan, Canary Islands and parts of Asia which are not tropical. The small Davallia parvula needs warmth and humidity. With fronds just an inch long, this fern is prized for terrariums. It is native to Malaysia and Indonesia.

          Doryopteris
          With interesting frond form, the tender Doryopteris ferns can be grown in containers and kept in warm locations. Most Doryopteris are from tropical America, but also Africa, Asia and islands. Doryopteris palmata is found from Mexico to Venezuela.

          dor 1sm0
          Doropteris palmata. Photo credit: K. Russell.

          Elaphoglossum
          With about 500 species, Elaphogossums are primarily found in tropical America. Elaphogossum crinitum has large, oblong frond blades about eight inches long, with black scales on both surfaces. It should be kept in a warm growing area with low to medium light. Elaphogossum peltatum is small and has creeping rhizomes, with deeply divided sterile frond blades and rounded fertile fronds. It is used as a terrarium plant.

          Microgramma
          The species of Microgramma come from the American tropics and Africa. As small tropical ferns, they are also useful in terrariums. The species with the largest fronds is Microgramma megalophylla, with fronds up to 20 inches long.

          most unusual 20100
          Elaphoglossum crinitum. Fern Show 2010. Photo credit: K. Russell.

          Microsorum
          There are about 50 species of Microsorum ferns, from topical and subtropical climates. Microsorum diversifolium, the Kangaroo Fern, is somewhat hardy and suitable for outdoor growing. Many of the other species are tender. Microsorum punctatum is used as a ground cover in Florida, and elsewhere grows well as an indoor container plant. It shows many frond variations and is popular in the nursery trade.

          Pyrrosia
          These ferns vary in cold tolerance from the hardy Pyrrosia lingua to tropical and tender species. Most grow in nature on trees or rocks and need good drainage.

          Pyrrosia nummulariifolia is a small tender fern found in Philippines, southeastern Asia to India. Sterile fronds are round in shape, usually less than an inch in size, and fertile ones are longer and narrower. A terrarium is the ideal place to grow this species. A similar appearing plant is Pyrrosia piloselloides, native to south/southeastern Asia. Both of these ferns have dimorphic fronds, with sterile fronds somewhat round and fertile fronds more oblong.

          p piloselloides 20110
          Pyrrosia piloselloides. Fern Show 2011. Photo credit: K. Russell.

          Vittaria
          Tropical and subtropical plants, Vittarias are commonly called Shoestring Ferns. Both Vittaria elongata and Vittaria lineata are medium sized plants with grass-like fronds. They grow in medium light and moist mix or moss with good drainage. Vittarias need protection from cold.

          Selaginella
          About 700 species of Selaginella grow worldwide in varying climates from deserts to rainforests. Not a fern but often studied with ferns, Selaginellas mostly grow in the ground and can be cultivated in containers and propagated by cuttings or divisions. Although these moss-like plants grow across the US, the tropical species are of interest with their color variations.

          Selaginella kraussiana is commonly sold and grows outdoors in warm areas of the US. From southeastern Asia, Selaginella plana has naturalized in tropical areas, sprawling and scrambling from gardens. The tropical S. oaxacana and S. pulcherrima, both from Central America, have similar appearance and are often misidentified. Selaginella umbrosa has red stems, and Selaginella serpens is of interest with foliage that changes from bright green in the morning to pale silvery late in the day. S. willdenovii shows sky-blue iridescence when grown in deep shade and is from tropical Asia.

          Selaginella serpens0
          Seaginella serpens. Photo credit: Laxkinn, Creative Commons.

          Reference:
          Hoshizaki, B. and Moran, R. (2001).
          Fern grower's manual. Portland, OR: Timber Press.

          Fern Species in the Tropics

          In the arctic zones, only a few species of ferns are found. Moving southward into temperate regions, many more ferns grow. However, the tropics show the greatest diversity of fern species. Scientists call this the latitudinal diversity gradient.

          As an example, the small tropical country of Costa Rica has about 1165 species of ferns, three times as many as the entire US and Canada together.

          The tropics also show more sizes and shapes of plants. Some tropical regions have more species than others. The Andes Mountains of South America have more fern species than the Amazon region. Rainfall is a factor, as is varied topography creating more habitats. For further reading on this subject, see Chapter 27 of the reference listed here.

          Reference:
          Moran, R. (2004).
          A natural history of ferns. Portland, OR: Timber Press.
          .
          Calendar for 2014

          January 16
          February 20
          March 20
          April 17
          May 15
          June 19
          July (Social event to be determined)

          August 14 (2nd Thursday of the month)

          August 16-17
          San Diego Fern Show and Sale


          September 18
          October 9 (2nd Thursday of the month)
          November 20
          December 18 (Annual Meeting)

          Board Meetings
          Room 104, 7:30 pm on first Tuesday of January, March, May, July, September, November

          San Diego Fern Society Officers for 2014


          President
          Kathie Russell klrkath@yahoo.com

          1st Vice President and Secretary
          Amna Cornett amnacarol@yahoo.com

          2nd Vice President
          Bill Brannock
          Treasurer
          Jay Amshey coastbiomaterials@cox.net

          Board Members:
          Bruce Barry
          Bob Charlton kwyjibo@san.rr.com
          Bill Ganger wganger@sbcglobal.net
          Richard Lujan

          Past President
          Don Callard dcallard@san.rr.com

          Website

          www.sandiegofernsociety.com
          Webmaster: Bob Charlton kwyjibo@san.rr.com

          Membership

          Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
          San Diego Fern Society
          2350 Jennifer Ln
          Encinitas CA 92024

          San Diego Fern Society Objects and Purposes

          The San Diego Fern Society was formed
          * to provide a source of information on ferns;
          * to arrange for people to study ferns together;
          * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

          The Society aims
          * to encourage all horticultural activities by example, education, exhibits, and donations;
          * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
          * to promote and stimulate interest in ferns;
          * to encourage and develop culture of various types and varieties of ferns;
          * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


          Volume XXXIX, Number 1

          DECEMBER MEETING

          The final meeting for the year 2013 of the San Diego Fern Society will be held on Thursday, December 19. The Society will meet at 6:30 pm in Casa del Prado Room 101, Balboa Park. December brings our Annual Meeting and Party.

          Dinner for December Party

          This month we start early, at 6:30 pm for our Annual Meeting and Party. Plan to arrive around 6 pm to enjoy the company of fellow ferners and share festivities and the good food. Family members and guests are welcome. After dinner we will conduct the election followed by the installation of officers; however there is no other program. Each family will receive a fern to take home.

          The Fern Society party has the nominal cost of $3 per person. Please bring your cash payment that evening. Delicious ham, turkey and gravy will be provided, as well as beverages, rolls and butter. Each household should bring a side dish or dessert (with serving utensils) to feed 8-10 people, and we request that you bring your own plates and silverware. Doors open at 5:30 for set-up and the dinner begins at 6:30. Please come at 6 pm to set out food.

          Memberships

          It is time for membership renewals for 2014. $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2014. See Jay Amshey at the December meeting or mail to the address on page 6.
          Report on November Meeting

          The San Diego Fern Society met on November 21. Walt Meier shared his experiences growing many types of ferns and specialty plants. Walt brought several plants in to show and explain his growing techniques. He provided many ferns for the plant table following the meeting.

          Nominations for 2014
          San Diego Fern Society

          Elections and installation of officers for the coming year are conducted at the Annual Meeting of the San Diego Fern Society. Nominations were completed in November, as required by the Society by-laws.

          President Kathie Russell

          1
          st Vice President and Secretary
          Amna Cornett

          2nd Vice President Bill Brannock

          Treasurer
          Jay Amshey

          Board Members:
          Bruce Barry
          Bob Charlton
          Bill Ganger
          Richard Lujan

          Past President Don Callard

          Ferns in Holiday Decoration

          Green is the color of the season, whether in an evergreen tree or a beautiful fern. There is even a hardy fern known as the Christmas fern,
          Polystichum acrostichoides, in recognition of its green beauty in cold winter landscapes.

          Pieces of
          Lycopodium are cut from forests and sold as a Christmas decoration in the Philippines. No need for mistletoe or holly.

          The San Diego Fern Society participates in Balboa Park's December Nights with a tree made entirely of ferns. Bart Keeran and his helpers prepared this tree as part of the San Diego Floral Association free show in Room 101. Each year decorated trees delight thousands of guests, with evergreen trees and natural materials the primary feature.

          January 2014

          Meeting plans call for our yearly
          Platycerium night January 16. We will have the opportunity to learn about the numerous species of Platyceriums. Commonly called Staghorn Ferns, these unique plants grow in tropical and subtropical forest areas of the world, from Philippines south through Malaysia and islands to Australia, across to Madagascar and Africa, and in one area of South America.

          Many of these
          Platycerium species are easy to grow in San Diego; some require special care. Our own Staghorn expert, Don Callard, will share his presentation with us. He is well known for growing Platyceriums and has been asked to give informative programs to other fern and botanical groups. His Platyceriums even hang in the glasshouse of the US Botanic Garden in Washington DC. Invite your gardening friends to the January meeting.

          Ferns in very cold climates

          In general, plants prepare for winter by cold hardening. Dissolved sugars and other substances accumulate in the cell protoplasm. This depresses the freezing point of the cellular water, in a similar way to chemical antifreeze. Also the cell membranes may change to let water molecules out of the cell into the spaces between cells, where ice crystals will not destroy the plant cells.

          Cystopteris fragilis, sometimes called the Brittle Fern or Fragile Fern, tolerates very cold climates. It has a wide distribution and is common in many parts of the world, from very cold Siberia, Canada and Alaska, and the Alps of Europe to high altitude mountains in the tropics. This cold tolerant fern survives in the frigid temperatures above the Arctic Circle, with plants found in the Yukon of Alaska, the Canadian Arctic Archipelago, and northern Iceland.

          This fern prefers cooler areas and high elevations in the northern US, but also is found in California.
          Cystopteris fragilis ferns even grow in San Diego County, around Palomar Mountain and Laguna and Cuyamaca regions. It has weak, fragile stems. When warm dry weather arrives, fronds may collapse and plants decline over summer. Cystopteris fragilis survives on rock or in patches of scree or sometimes sand. It can grow in limestone areas.

          high fern 7000ft N Sierras1
          Ferns tentatively identified as
          Cystopteris fragilis growing in the northern Sierra Nevada Mountains, 7000 feet elevation. Patches of snow remained nearby even in the month of June. Photo credit: K. Russell.

          There are about twenty species and many hybrids of
          Cystopteris, and some of these do well in warmer climates.
          Osmundas are another group of ferns which are very cold tolerant. Both Osmunda regalis (Royal Fern) and Osmunda cinnamomea (Cinnamon Fern) are listed for USDA climate zone 2 with minimum temperature extreme down to -50º F. Osmundas have an interesting growth pattern with spores on separate fertile stalks for Osmunda cinnamomea and at the tips of the fertile fronds for Osmunda regalis. Both of these ferns grow best in a woodland environment with acidic soil and wet habitat.

          container sm1
          Matteuccia struthiopteris, commonly called the Ostrich Fern, can take similar cold temperatures. This fern readily spreads in its favored wet loamy soil and produces fronds up to six feet tall. It grows earlier in spring than most hardy ferns, and fiddleheads are eaten as a vegetable which is nutritionally safest after cooking. Matteuccia struthiopteris is the designated state vegetable of Vermont. Spores are found on separate upright stalks. Plants flourish in cooler areas with water, especially swamps.


          Matteuccia struthiopteris growing in a container. Photo credit: K. Russell.
          References:
          1. Olsen, S. (2007).
          Encyclopedia of garden ferns. Portland, OR: Timber Press.
          2. Capon, B. (1990).
          Botany for gardeners. Portland, OR: Timber Press.
          3. Lellinger, D. B. (1985).
          A field manual of the ferns & fern-allies of the United States & Canada. Washington, D.C.: Smithsonian Institution Press.
          4. Aiken, S.G., Dallwitz, M.J., Consaul, L.L., McJannet, C.L., Boles, R.L., Argus, G.W., Gillett, J.M., Scott, P.J., Elven, R., LeBlanc, M.C., Gillespie, L.J., Brysting, A.K., Solstad, H., and Harris, J.G. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. NRC Research Press, National Research Council of Canada, Ottawa. http://nature.ca/aaflora/data, accessed on December 5, 2013.

          Ferns which are green in winter

          Although in very cold areas most ferns are dormant over the winter season, there are some which remain green.
          Blechnum spicant, known as the Deer Fern, stays green even in snow, and supposedly provides food for foraging wild animals.

          dog in Blechnum1
          Canine hiking partner poses with
          Bechnum spicant growing alongside Polystichum munitum (larger central frond), both green in February, and Dryopteris expansa (lower left corner) partially green, Snoqualmie River middle fork trail, Snoqualmie National Forest, low elevation area of Western Washington State. Photo credit: K. Russell.

          wallace's selaginella1
          Possibly Wallace's
          Selaginella, S. wallacei, green in February, found on same hike as above, Snoqualmie National Forest, WA. Photo credit: K. Russell.

          frosted ferns dec NB WA sm1
          Frosted but still winter green
          Polypodium glycyrrhiza in December. This plant produces new fronds in late summer and autumn and stays green through winter. Near Rattlesnake Lake, WA. Photo credit: K. Russell.

          dog walks in pteridium dec sm1
          December hike along Iron Horse Trail, with the dog in dormant Bracken Fern
          Pteridium aquilinum covered in frost. Western Washington State. Photo credit: K. Russell.

          chi in snow1
          A green
          Cheilanthes fern, probably C. lindheimeri, in winter in Gila National Forest, central Arizona, 5000 feet elevation. Photo credit: K. Russell.

          Lassen NF ferns Nov1
          Another
          Cheilanthes fern, perhaps C. gracillima (left) and Cryptogramma acrostichoides (Parsley Fern), both green in late November in Lassen National Forest, Northern California, 7000 feet elevation. There were patches of snow nearby. Photo credit: K. Russell.

          References:
          1. Olsen, S. (2007).
          Encyclopedia of garden ferns. Portland, OR: Timber Press.
          2. Pojar, J. (Ed.). (1994).
          Plants of the Pacific Northwest coast. Vancouver, BC: Lone Pine Publishing.

          Warming up

          For readers not particularly interested in cold climate ferns, there are many choices for the San Diego area.

          Tree ferns bring a tropical feeling to a home garden. A few tree ferns actually tolerate somewhat cold climates.
          Dicksonia antarctica is known to grow in areas with some snow and temperatures down to
          25º F. It also tolerates high light situations but does best with moisture and high humidity. Expect this tree fern to reach 15 feet tall or more with fronds extending 12 feet. Plants are readily available in nurseries. For colder situations in California, this tree fern is a good choice.

          Cyathea cooperi is another commonly available tree fern. Plants should survive light frost and do well in all areas of coastal San Diego County. They grow fairly rapidly and reach 30 feet in height. Fronds can easily grow out 12 to 18 feet, so it is best planted where it has room to be a tree. Cyathea cooperi 'Brentwood' is a desirable cultivar. Plants should be watered regularly for best appearance, however established plants will tolerate dry spells. Both of these tree ferns are from Australia.

          A more tropical choice of tree fern is
          Cibotium glaucum, native to Hawaii. The trunk may grow to 10 feet, either erect or leaning over, with fronds three to nine feet long. Offshoots may grow along the trunk, especially if it is prostrate. This tree fern is a popular garden plant in tropical areas. In San Diego, protect it from frost. Plants are successful growing outdoors on a hillside at the San Diego Zoo.

          hawaiian tree fern frond1

          Hawaiian tree fern sm1
          Cibotium glaucum, San Diego Zoo. Photo credit: K. Russell.

          Reference:
          Large, M.F., & Braggins, J.E. (2004).
          Tree ferns. Portland, OR: Timber Press.


          Meeting Calendar for 2014

          January 16
          February 20
          March 20
          April 17
          May 15
          June 19
          July (Social event, date to be determined)
          August 14 (2nd Thursday of
          the month)

          August 16-17
          San Diego Fern Show
          and Sale

          September 18
          October 9 (2nd Thursday of
          the month)
          November 20
          December 18 (Annual Meeting)




          Meeting Calendar 2013

          December 19 (Annual Meeting)

          Board Meetings 2014

          Room 104, 7:30 pm on first Tuesdays January, March, May, July, September, November



          San Diego Fern Society Officers for 2013

          President
          Kathie Russell klrkath@yahoo.com
          1st Vice President and Secretary
          Amna Cornett amnacarol@yahoo.com
          2nd Vice President
          open (shared board responsibility)
          Treasurer
          Jay Amshey coastbiomaterials@cox.net
          Board Members:
          Bruce Barry
          Bob Charlton kwyjibo@san.rr.com
          Bill Ganger wganger@sbcglobal.net
          Richard Lujan
          Past President
          Don Callard dcallard@san.rr.com

          Website

          www.sandiegofernsociety.com
          Webmaster: Bob Charlton kwyjibo@san.rr.com

          Membership

          Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:

          San Diego Fern Society
          2350 Jennifer Ln
          Encinitas CA 92024

          San Diego Fern Society Objects and Purposes

          The San Diego Fern Society was formed
          * to provide a source of information on ferns;
          * to arrange for people to study ferns together;
          * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

          The Society aims

          * to encourage all horticultural activities by example, education, exhibits, and donations;
          * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
          * to promote and stimulate interest in ferns;
          * to encourage and develop culture of various types and varieties of ferns;
          * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

          Volume XXXVIII, Number 12

          NOVEMBER MEETING

          The San Diego Fern Society will meet Thursday, November 21, 2013. The Society will meet at 7:30 pm in Casa del Prado Room 101, Balboa Park.

          In November we will learn about growing the ferns of the world here in San Diego. Walt Meier grows many types of ferns and specialty plants at his home in Carlsbad, and he consistently has great plants for the San Diego Fern Show and Sale and also for display at the Del Mar Fair. He grows plants from both cool temperate climates and from tropical areas, both from dry and moist habitats. Walt will share stories and growing tips from his years of horticultural experience, including practical pointers for growing great ferns!


          Memberships

          It is time for membership renewals for 2014. $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2014. See Jay Amshey at the November meeting or mail to the address on page 6.


          Refreshments

          In November, refreshments will be provided by Bruce Barry and Dick Ludwig. There will be a clipboard at the meeting to sign up to bring goodies for the coming year 2014.


          Report on October Meeting

          The San Diego Fern Society met on the fourth Thursday of the month, October 24, to accommodate a show for another club.
          David Curtright gave an entertaining and enlightening talk about his experiences growing various aquatic ferns in ponds and aquariums. He is very knowledgeable regarding water gardening and showed and discussed quite a number of ferns which grow directly in water or in bogs. David brought a great selection of his ferns which the members had fun pulling apart to share and try to grow. You can view his plants for sale at www.pondplants.com.


          Nominations for 2014

          The Nominations Committee nominates Fern Society members for election to fill the positions of officers and board members for the coming year 2014. These nominations will be presented at the November general meeting, and additional nominations are accepted from the floor in November only, with prior consent of the person being nominated. Elections and installation are held at the annual meeting of the San Diego Fern Society in December.

          bracken_from_YellowstoneNP
          Bracken fern Pteridium aquilinum ssp. aquilinum var. pubescens. Photo credit: Bryan Harry, 1965, Yellowstone National Park Photo Collection.

          December Party Plans

          The Fern Society party has the nominal cost of $3 per person. Delicious ham and turkey as well as beverages are provided. Plan to bring a side dish or dessert (with serving utensils) to feed 8-10 people. On Thursday December 19 come around 6 pm to set out food and then enjoy dinner at 6:30.


          Coming in 2014

          Meeting plans call for our yearly
          Platycerium night January 16. We will have the opportunity to learn about the numerous species of Platycerium. Staghorn ferns grow in tropical and subtropical forest areas of the world, from Philippines south through Malaysia and islands to Australia, across to Madagascar and Africa, and in one area of South America. Many of these species are easy to grow in San Diego; some require special care.

          March 16 is our Spring Gardeners Sale. Based upon previous years, attendees can expect a variety of plants, as well as plant stands, containers, books and more to be available. Plan to be there and take home some "found" garden treasures at budget prices. Creative reuse of garden items is a benefit to all.


          Autumn Fern

          Dryopteris erythrosora, known as the autumn fern, is considered evergreen even in temperate climates. Plants aren't really growing when it is cold, but fronds may stay somewhat upright and green. The real show is in spring, or for San Diego area gardeners, late winter. Trim off the old fronds and watch the new growth emerge as bright coppery red fronds which are quite striking. Sori are covered with bright red indusia. By summer, fronds will be deep glossy green. Presumably the autumn colors are the reason for this fern's common name.

          This lovely garden fern will develop triangular, bipinnate fronds arching up to 2 feet long. Small scales are found on the undersurface. Some varieties have white indusia rather than red. This species is native to temperate forests of Japan, China, Korea, Taiwan and Philippines.

          dryopteris1
          Autumn Fern Dryopteris erythrosora showing new spring growth. Photo credit: K. Russell.

          This popular garden fern is available from local nurseries. One variety,
          Dryopteris erythrosora 'Brilliance', is particularly desirable for persistent bright color. Place the autumn fern directly into your garden bed to watch it slowly spread into a beautiful, year-round fern. Maintain moisture in the soil until well established, then this plant will need just routine garden water. It is considered somewhat drought tolerant, long-lasting and easy to grow. Sue Olsen, fern enthusiast, grower and author, states that this particular species was her inspiration for propagating and cultivating ferns.

          References:
            Historical Note: Use caution when consuming Marselia

            In our recent October meeting, we learned about aquatic ferns from grower David Curtright. One fern that grows directly in water is
            Marsilea drummondii, native to Australia. It can be found in flooded land and marshy areas. Spores will produce new plants in muddy areas after water recedes.

            This particular fern, known as Nardoo, has an interesting historical note. The sporocarps are part of the diet of the native Aborigine people of Australia. They gather the sporocarps, grind them and mix with water to form a paste which they eat.

            In 1860-1861 when the explorers Robert O'Hara Burke, John King and John William Wills were traversing the interior of the Australian continent, they survived for weeks on food prepared from the Nardoo sporocarps, but there was something wrong with this diet. Although they felt satisfied with a full stomach on this food, both Burke and Wills died, seemingly from malnourishment. King was befriended by Aborigines and rescued, but suffered permanent nerve damage.

            Later historians believe that the explorers died from beriberi, the vitamin B1 (thiamine) deficiency. Wills' journal contains a classic description of the progression of this disease. The enzyme thiaminase is in the sporocarps, destroying this necessary vitamin. The explorers prepared Nardoo as Europeans would with a grain, by grinding and cooking. When the Aborigine people prepare Nardoo, they thin the flour with water making a thin paste which they spoon into their mouths using a mussel shell. It is presumed that this method dilutes the thiaminase and reduces its efficiency in destroying the vitamin.

            Most enzymes are destroyed by heat; however baking the Nardoo flour cakes was not enough to destroy the thiaminase. It is interesting to recognize that the spores of
            Marsilea drummondii survive scorching summer temperatures of the Australian outback and still germinate. Sporocarps have a ring of gelatinous material which greatly expands with water. This may have accounted for the report that this food was very filling and satisfying to the hungry explorers.

            Marselia_drum_Australia2
            Marselia drummondii, on a pond in the Dandenongs in Australia. Photo credit: Casliber, Creative Commons.

            Reference:
            Moran, R. (2004).
            A natural history of ferns. Portland, OR: Timber Press.


            Growing Marsilea

            by Raymond Best of New South Wales, Australia
            Adapted from LAIFS Fern Journal, V.15 N.2, February 1988.

            Several years ago a friend of mine decided to visit central Australia since he was aware that I desired to obtain a few species of
            Marsilea unobtainable in my coastal situation. When he returned, much to my surprise and pleasure he arrived with about three species in small pots encased in hardened mud and not looking at all happy. His comment was to just leave them alone and they would thrive.

            Knowing them as water ferns and having read about their survival in rice paddies, I decided to confine them to a watery grave. Some I placed in an old, silted-up cistern, another specimen in a pair of old concrete washing tubs, and the last being
            Marsilea drummondii (the Nardoo of the Australian natives) I gave specialist treatment in an attractive concrete circular tank. Fortunately all three species survived, namely, M. drummondii, M. hirsuta, and M. mutica. Within a few years they had completely covered all their containers.

            It may be of interest that the
            Marsilea species have a few unusual features. They indicate the compass direction and also tell the time of day. In the morning they turn their heads to the rising sun, and continue to follow it around during the day after the style of sunflowers. Also the Australian natives collect the sporocarps of Marsilea drummondii (Nardoo) and grind them to a flour for cooking. This in one instance saved the life of one of our early explorers.

            When I first planted the specimens in their water situations I had placed their roots in a bucket-sized pot of mixture sunk to the bottom of the tank. Having handed over my house to my son and daughter-in-law after they added a granny flat and a small shadehouse to the home, I moved most of my ferns to the new location. I left two of the tanks in the possession of my son who soon lost interest in them, allowing the containers to completely dry out, after which he threw the contents out in the open. The hot sun dried the fine tight root system into a circular felted mat.

            Later as I was cleaning up, I noticed these unusual pads and decided to chop them up to make some peat to top my sporelings with. When watering one of these small pots I found what I thought was a single-leaved weed. Imagine my surprise when I pulled it out and found that it was growing from a sporocarp of
            Marsilea mutica, while the single triangular-shaped leaf proved to be four neatly overlaid leaves which ultimately form the four leaf clover shape of Marsilea. Placing this sporeling in a water situation in a large glass jar, I started to carefully examine the growth on a day-to-day basis.

            This original tiny sporophyte I had placed in a wide-topped jar one-quarter filled with a peaty mixture and topped with clear fresh tank water so that I could easily observe and examine the growth. First the nutlike sporocarp opened and extruded the male and female gamete producers attached to the extended arm. These somewhat resembled sacks of sausage-shaped containers. The larger holders contained the female gametes, and the smaller the male gametes. Eventually the male gametes are released into the water where they swim to the female gametes to create the first sporophytes. As long as water is present, each small plant then extends rhizomes. Finally they developed a full cover in each of the large containers.

            In their natural habitats in the central rivers,
            Marsilea plants dry up completely from season to season, bearing their sporocarps before the mud coagulates. When the wet season comes, the sporocarps break loose and, flooded with water, swell to recommence the life cycle.

            In my containers, provided the level of water was maintained, there was no difficulty from season to season in their growth. Once the container surface is completely and tightly covered with massed pinnae, the whole mass can be removed roots and all. The mass is then cut into pieces with a sharp knife and a small section returned to the freshly prepared tank. In this manner growth can be continued indefinitely.
            Marsilea mutica is probably the most attractive species with its four colorful pinnae producing a pattern similar to that of clover plants.

            Marsilea
            Marseilea growing in a container. Photo credit: K. Russell.
            What is hiding in that fern?

            When hiking in San Diego County, it is a good idea to be aware of rattlesnakes. These shy reptiles tend to hide in brushy or rocky areas, and may not be noticed. The San Diego Natural History Museum website recommends that you look where you place your hands and feet. When observing ferns in nature, you will be in rocky areas and snakes are around. Since ferns are more green and plentiful in the cooler seasons, rattlesnakes may not be out.

            An interesting study in Australia indicates that during cold weather, scrub pythons
            Morelia kinghorni are known to hide in the fern Drynaria rigidula. These large snakes are often fifteen feet or longer. Herpetology researchers implanted tracking devices into several of these non-venomous snakes and studied their habits. Over 80% of the python locations in epiphytes were in Drynaria rigidula ferns in tall forest trees. These ferns were large specimens, over three feet across.

            Basket_Fern1
            Drynaria rigidula growing naturally in Australia. Photo credit: Tatiana Gerus, Australia; Creative Commons.

            Reference:
            Freeman, A., & Freeman, A. (2009). Habitat use in a large rainforest python
            (Moreila kinghorni) in the wet tropics of North Queensland, Australia. Herpetological Conservation and Biology, 4(2).

            python1
            Scrub Python. Photo credit: Mike, Creative Commons.

            Drynaria in basket1
            Drynaria rigidula, cultivated in a basket, San Diego area. Photo credit: K. Russell.

            Meeting Calendar 2013
            November 21
            December 19 (Annual Meeting)


            Board Meetings
            Room 104, 7:30 pm on first Tuesdays January, March, May, July, September, November


            San Diego Fern Society Officers for 2013


            President
            Kathie Russell klrkath@yahoo.com
            1st Vice President and Secretary
            Amna Cornett amnacarol@yahoo.com
            2nd Vice President
            open (shared board responsibility)
            Treasurer
            Jay Amshey coastbiomaterials@cox.net
            Board Members:
            Bruce Barry
            Bob Charlton kwyjibo@san.rr.com
            Bill Ganger wganger@sbcglobal.net
            Richard Lujan
            Past President
            Don Callard dcallard@san.rr.com


            Website

            www.sandiegofernsociety.com
            Webmaster: Bob Charlton kwyjibo@san.rr.com


            Membership

            Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
            San Diego Fern Society
            2350 Jennifer Ln
            Encinitas CA 92024



            San Diego Fern Society Objects and Purposes

            The San Diego Fern Society was formed

            * to provide a source of information on ferns;
            * to arrange for people to study ferns together;
            * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

            The Society aims

            * to encourage all horticultural activities by example, education, exhibits, and donations;
            * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
            * to promote and stimulate interest in ferns;
            * to encourage and develop culture of various types and varieties of ferns;
            * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


            Volume XXXVIII, Number 11

            October Meeting

            The San Diego Fern Society will meet on the fourth Thursday of the month, October 24, 2013. The Society will meet at 7:30 pm in Casa del Prado Room 101, Balboa Park.

            In October we welcome David Curtright. Visit his website www.pondplants.com to see the extensive selection of plants that can be used for pond and bog plantings. David will talk on water gardening, a refreshing option to enhance our otherwise arid landscapes. David's many years of specialty horticulture and water garden experience as he shares with us will offer a unique enhancement to San Diego gardening.

            Refreshments for October

            In October, refreshments will be provided by Ron Baniaga, Bruce Barry and Kathy Thomson.

            Coming in December

            The Fern Society will hold its Annual Meeting on December 19, 2013. There will be a festive dinner followed by a short meeting for election and installation of officers for 2014.

            Plants in October

            At the October meeting there may possibly be an opportunity table with specialty plants, so bring a little cash.

            Report on September Meeting

            The San Diego Fern Society met on Thursday, September 19. We viewed video clips of a fern,
            Polypodium polypoidiodes and a Selaginella which grows in desert regions, Selaginella lepidophylla. Both of these plants dramatically rejuvenate from dryness. Both are found in southern areas of the US, but not in California. These plants are sometimes called resurrection ferns.

            Fern Show 2014

            Fern Society members and friends can plan ahead for the August 2014 Fern Show and Sale. Our dates are scheduled to be Saturday and Sunday, August 16 and 17 in Balboa Park. Mark your new 2014 calendars or put this in your computer calendar. For those who live in San Diego, plan to be here. For those who live elsewhere, plan your summer travels so that you can join us!

            Meeting Date Change in October


            For the month of October, the Fern Society will meet on the fourth Thursday of the month, October 24. Occasionally our meeting date is shifted to accommodate the shows of other groups using Room 101.


            Nominations for 2014

            A Nominations Committee is forming to nominate the officers and board members for the coming year 2013. Fern Society members interested in serving on the committee should contact Kathie Russell or email in advance to: sandiegofernsociety@gmail.com

            Also, suggestions for members to fill the officer and board positions may be given to the committee. The nominations will be presented at the November general meeting, and additional nominations may be made from the floor at that time. Elections are held at the annual meeting of the San Diego Fern Society in December.

            Memberships

            $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2014. See Jay Amshey at the October meeting, or mail to the address on page 6.

            November Meeting

            In November and December we will meet on the third Thursdays, the usual pattern.

            December Nights in Balboa Park

            San Diego Floral Association will host their yearly show for the public as part of December Nights on Friday and Saturday, December 6 and 7. This is an annual free event, with music, museums, delicious foods, and numerous festivities. Casa del Prado Room 101 is transformed with a fragrant display of trees decorated by the various garden clubs and plant societies.

            Bart Keeran and helpers plan to construct a "tree" entirely of living fern plants. Set up is on Thursday morning, December 6. If you would like to assist with this display, contact Bart or Kathie Russell. The trees are themed with Holidays of the World. Event times are Friday 3-10 pm and Saturday from noon to 10 pm.

            Microgramma ferns

            These small epiphytes are popular terrarium ferns. About twenty species of
            Microgramma are known, most from the New World tropics with a couple of species from Africa. All have scaly long-creeping rhizomes, often branched. Fronds are simple and entire. Microgramma ferns are small creeping plants most often growing on trees. They are part of the Polypodiaceae family and in older literature may have the Polypodium genus name.

            Microgramma heterophylla is a lovely little vining fern. It is found in southern Florida and the West Indies, and so is considered tender. Sterile fronds are often about an inch and a half long and a half inch wide, and lack petioles. Fertile fronds have short petioles and are perhaps one to four inches long but less than a half inch wide, making them narrowly lanceolate in shape. Sori are round, in a single row on each side of the midblade, midway between midblade and margin of frond. Frond form and size is quite variable.

            ef-mh

            Microgramma heterophylla. Photo credit:www.blackjungleterrariumsupply.com


            Florida plants are found in tropical hammocks, the canopy forests in the southern part of the state.
            Microgramma heterophylla grows on trees and logs, and also on limestone rock. Plants may climb ten feet on a tree trunk, but overall this fern has a limited range in Florida and is only plentiful in a few locations. It is listed as endangered by the Florida Department of Agriculture.

            Microgramma nitida has naturalized in one county of central Florida but is not native to the US. Rather, these ferns are from Mexico, Central America, Barbados and Jamaica. Plants are tender but considered easy to grow. Fronds are variable with sterile fronds two to five inches long and about an inch wide. Fertile fronds may be longer but are narrower, lanceolate. Fronds are smooth with rounded sori. This fern grows on trees in low elevation rain forests. This plant is also known by the name Polypodium palmeri.


            microgramma_jar_sm1
            Microgramma megalophylla and Microgramma reptans growing together inside a large plastic jar. M. megalophylla has the larger fronds. Fertile fronds are on the left, the longest about nine inches. Sterile, smaller fronds are in the center of photo. The smaller, vining M. reptans is seen in the center and to the right. Photo credit: Kathie Russell.

            Microgramma reptans is widespread in tropical America from southern Mexico to Brazil and the islands of Trinidad and Tobago. Fronds have small, reddish scales on the lower surface. Another tender plant, it is similar in size to M. nitida and M. heterophylla. Again, fronds are dimorphic, with the fertile fronds much narrower than sterile fronds. When sori are mature, they usually project beyond the margins of fertile blades, with tan scales among the sporangia. This plant was shared with attendees at a past Fern Society meeting.


            M_reptan1s
            Microgramma reptans, closer view of same terrarium jar. Photo credit: Kathie Russell.

            Microgramma squamulosa is from South America, and is considered tender to semi-tender. Fronds show dark green veins and whitish scales, and are about 6 inches long.

            Microgramma megalophylla is the largest species of the genus, and is native to South America. Fronds may be up to 20 inches long. Plants tightly adhere to trees or rocks in lowland and lower montane forests. Starts of this plant were shared at a Fern Society meeting in the past.

            Microgramma lycopodioides is a species found in Africa, especially in the southeastern coastal areas. It is considered rare in Africa, found in low altitude semi-deciduous forests. Fertile fronds are only produced under high light situations such as at the forest margins.

            In addition to Africa,
            M. lycopodioides is also found over wide areas of the American tropics. It is epiphytic on tree trunks in low elevation montaine rain forests of Mexico, Guatemala, Belize, Honduras, Nicaragua, Costa Rica, Panama, Antilles, Columbia, Venezuela, Trinidad, Guyana, Suriname, French Guiana, Ecuador, Peru, Brazil, Bolivia and Paraguay.

            MicrogrammaLycopodioides1

            Microgramma lycopodioides. Photo credit: Wikimedia commons, public domain.

            1Microgramma lycopodioidesNBG sm
            Microgramma lycopodioides growing in a mixed fern planting, inside the glasshouse of the US Botanic Garden, Washington DC. Photo credit: Kathie Russell.

            Microgramma heterophylla was sold at the recent San Diego Fern Show and Sale. Microgramma reptans and Microgramma megalophylla were shared by Amna Cornett with those attending a Fern Society meeting on terrariums in 2010. M. heterophylla and M. nitida are currently listed as available at Black Jungle Terrarium Supply, www.blackjungleterrariumsupply.com and also at Glasshouse Works, www.glasshouseworks.com. Some tropicals may be available from Charles Alford at www.rareferns.com.

            It is interesting to note that several species of
            Microgramma are listed for sale at Araflora, www.araflora.com, a Netherlands grower. They generally sell to European Union customers so there must be a market for these plants in Europe.

            References:

            • Berry, P. E., Holst, B. K., & Yatskievych, K. (1995). Flora of the Venezuelan Guayana. St. Louis: Missouri Botanical Garden.
            • Burrows, J. E., & Burrows, S. (1990). Southern African ferns and fern allies. Sandton, South Africa: Frandsen.
            • Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.
            • Mickel, J., & Smith, A. R. (2004). The pteridophytes of Mexico. Bronx, NY: New York Botanical Garden.
            • Nelson, G. (2000). The ferns of Florida. Sarasota, FL: Pineapple Press.


            Meetings in 2014

            We now have room reservations for Casa del Prado Room 101 for 2014. The majority of our meetings are planned for the third Thursday of the month. This is what we expect for next year:

            January 16

            February 20

            March 20

            April 17

            May 15

            June 19

            July (Social event to be determined)

            August 14 (2nd Thursday of the month)

            August 16-17
            San Diego Fern Show and Sale


            September 18

            October 9 (2nd Thursday of the month)

            November 20

            December 18 (Annual Meeting)

            Floating vegetation islands

            Plants colonize a variety of locations in the natural environment, and floating peat islands are one unique habitat. Islands of floating vegetation are known around the world, such as in Lake Malawi, Africa, and Lake Titicaca, South America. Other islands are in Okefenokee Swamp in Georgia and in the Everglades of Florida.

            Waterlilies facilitate the formation of floating peat mats. In a swamp, the top layers of peat detach from the pond base with the waterlily root mat. Waterlily rhizomes add buoyancy. The floating mats are colonized by new plants which prefer shallow water or plants which do not grow when under water. The surface of the floating island is always damp but never submerged. Bushes and small trees develop on these islands. In the Everglades, mat islands can be strong and stable enough to support a person. They move around some, especially by wind.

            Peat islands are also found in temperate climate locations. A news item reported that a large chunk broke away from a floating island on Sabbatus Pond in Maine. This piece of about 30 feet by 15 feet was mostly composed of wild grasses. An expansive natural floating island is also reported at Umbagog Lake, Maine.
            Robin Cody, while canoeing the Columbia River on Kinbasket Lake in British Columbia, Canada, found low-floating green islands of peat vegetation. After the lake was formed as water collected behind a dam, sections of peat-rich forest floor floated free. He observed a floating island as large as a softball infield, complete with birch trees and ferns.

            References:
            Cody, R. (1995). Voyage of a summer sun: Canoeing the Columbia River. Seattle, WA: Sasquatch Books.
            Gleason, P. J., & Stone, P. A. (2003). Floating peat islands and patch formation in the Northeastern Everglades. Retrieved from conference.ifas.ufl.edu/jc/papers/geer/3postergr/Gleason.doc‎Floating peat islands and patch formation in the Northeastern Everglades.
            Chunk breaks away from floating island on Sabattus pond. (2013, June 28).
            Lewiston-Auburn Sun Journal. http://www.sunjournal.com/news/lewiston-auburn/2013/06/28/chunk-breaks-away-floating-island-sabattus-pond/1386188.



            December 19, 2013
            San Diego Fern Society
            Annual Meeting and Party

            christmas-graphics-plus-free-christmas-clip-art

            Meeting Calendar 2013

            October 24 (4th Thursday of the month)
            November 21
            December 19 (Annual Meeting)

            Board Meeting
            Room 104, 7:30 pm
            Tuesday November 5


            San Diego Fern Society Officers for 2013


            President
            Kathie Russell klrkath@yahoo.com
            1st Vice President and Secretary
            Amna Cornett amnacarol@yahoo.com
            2nd Vice President
            open (shared board responsibility)
            Treasurer
            Jay Amshey coastbiomaterials@cox.net
            Board Members:
            Bruce Barry
            Bob Charlton kwyjibo@san.rr.com
            Bill Ganger wganger@sbcglobal.net
            Richard Lujan
            Past President
            Don Callard dcallard@san.rr.com

            Website

            www.sandiegofernsociety.com
            Webmaster: Bob Charlton kwyjibo@san.rr.com

            Membership

            Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:

            San Diego Fern Society
            2350 Jennifer Ln
            Encinitas CA 92024



            San Diego Fern Society Objects and Purposes

            The San Diego Fern Society was formed
            * to provide a source of information on ferns;
            * to arrange for people to study ferns together;
            * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

            The Society aims
            * to encourage all horticultural activities by example, education, exhibits, and donations;
            * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
            * to promote and stimulate interest in ferns;
            * to encourage and develop culture of various types and varieties of ferns;
            * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

            Volume XXXVIII, Number 10

            SEPTEMBER MEETING

            The San Diego Fern Society will meet Thursday, September 19, 2013. The Society will meet at 7:30 pm in Casa del Prado Room 101, Balboa Park.

            In September we will study the "resurrection fern"
            Polypodium polypodiodes and also Selaginella lepidophylla, plants which dry and then revive with water. Using video including time-lapse photography, a naturalist from Texas and an agricultural extension agent in Florida show how this amazing fern changes from a desiccated brown plant to a beautiful green fern. Next time you are asked how much water a fern needs, you might truthfully say, "It depends...." The Selaginella similarly unfolds in rosette shape with the addition of moisture.

            Refreshments for September

            In September, refreshments will be provided by Paula Couturier and Bill Brannock.

            Plant Table for September

            At the September regular meeting we have a fern for everyone. The fern opportunity table will feature ferns grown in six inch containers, sourced from our local grower. They have been around since the recent Show and some even from the Fair. Each attendee will receive a door prize fern by ticket drawing, and additional tickets will be available for purchase at the bargain price of $2. Members are encouraged to take home one or more plants. If your gardening space is filled, this is your chance to share a fern with a neighbor or friend.

            Report on August Meeting

            The San Diego Fern Society met on Thursday August 15. We viewed photos of Fern Shows from past years, including some taken by Frank Darling in 1996. These photos brought back memories of people and ferns from previous Shows, and perhaps inspired us as we prepared the 2013 Show. Following the short meeting there was time to fill out plant registration forms and consult books and other members to correctly name fern entries.

            Report on Fern Sale

            The 2013 Sale took in nearly $1800. Even after plant costs, tax and show expenses the Fern Sale added funds to the Society treasury. The ferns from our local supplier were well received by the public, and many species sold out. Some of our members offered ferns and specialty plants on consignment or donation, which provided variety and interest, enhancing the sale.

            Fern Show 2013

            A sincere "Thank You" goes to our members and friends who helped out to produce a great Fern Show this year. Some of our newer members worked very hard alongside those who have been with the club for many years. Tasks accomplished included setting up the Show, growing and then bringing plants for judging and display, getting plants for the Sale, registration and judging, providing snacks for workers, staffing the Show and Sale, and finally taking down and returning everything to its proper home. Many persons worked hard to give us a successful 2013 Show.
            Show Awards

            The trophy award for the
            Robin Halley Memorial Best Fern in Show (not a Platycerium), was given to Asplenium australasicum with the cultivar name 'Chrissy', grown by Gary Bourne. A. australasicum is native to Australia and the Pacific islands. This winning plant cultivar showed exceptional form, and was very well-grown and nicely displayed.
            P. aus crissy1

            Asplenium australisicum 'Chrissy', view of distinctive form of fronds, Best Fern in Show 2013. Photo credit: K. Russell.

            Asplenium australasicum should be grown in bright shade in well-drained mix or uncut moss. This species shows many interesting cultivars, some of which are frequently available in local nurseries. The bird's nest ferns seem to do best in small pots relative to the plant size, which enhances drainage and helps prevent over-watering.

            P ridleyi1
            Platycerium ridleyi, Best Platycerium Fern in Show 2013. Photo credit: K. Russell.

            The trophy award for
            Shirley Callard Memorial Best Platycerium in Show was given to Platycerium ridleyi, grown by Don Callard. Platycerium ridleyi is a lowland forest epiphytic fern, often found near rivers in parts of Malaysia, Sumatra and Borneo. A small plant growing high in the trees, it displays shield fronds that are strongly ribbed. The fertile fronds branch upwards rather than hanging down, and this species is perhaps the best Platycerium to show the frond shape of antlers which gives the commonly used name, staghorn fern.

            Platycerium ridleyi reproduces only by spores which develop on spoon-shaped lobes from the fertile frond. In nature, plants are inhabited by ants and filled with plant debris between the ribbed shield fronds. Some growers suggest that this fern needs bright light and air movement. Platycerium ridleyi is tropical, so it should be grown with protection in the San Diego area. Plants should be handled carefully as rhizomes and fronds are susceptible to damage.

            spore for Platy1
            Platycerium ridleyi, closer view of fertile frond showing spore patch. Photo credit: K. Russell.

            This same plant of
            Platycerium ridleyi, grown by Don Callard, was also given the trophy award Elizabeth Pelz Memorial Most Unusual Plant for the Show.


            Fern Show 2013 Division Awards

            Plant name

            Exhibitor name



            Davallia mariesii
            Bob Charlton
            Pyrrosia lingua 'Monstrifera'
            Walt Meier
            Psilotum complanatum
            Don Callard
            Asplenium trichomanes
            Gary Bourne
            Doryopteris palmata
            Gary Bourne
            Pyrrosia longifolia
            Don Callard
            Elaphaglossum nigrescens
            Amna Cornette
            Equisetum x ferrisii
            Gary Bourne
            Asplenium australasicum 'Chrissy'
            Gary Bourne
            Doryopteris nobilis
            Don Callard
            Blechnum brasiliense
            Gary Bourne
            Coniogramme japonica
            Don Callard
            Aglaomorpha speciosa
            Bob Charlton
            Platycerium willinckii
            Jay Amshey
            Platycerium hillii 'Delight'
            Richard Lujan
            Platycerium ridleyi
            Don Callard
            terrarium single species
            Gary Bourne
            Selaginella aurea
            Gary Bourne
            multiple plants one species
            Gary Bourne

            Davallia1
            Division Winners Davallia mariesii (above) grown by Bob Charlton and Psilotum complanatum (below) grown by Don Callard. Photo credit: K. Russell.Interesting and Unusual Ferns at the 2013 Fern Show

            whisk fern1


            Helminthostachys zeylanica is a fern from Australia and southern and eastern Asia including islands. Perhaps it is unusual just because we are unable to spell or even pronounce its name. This fern is in the Ophioglossaceae family, along with the genus Ophioglossum (common name, Adder's tongue fern) and Botrychium (common name, grape fern). These plants have sterile fronds and an erect fertile stalk bearing clusters of sporangia.

            Helminthostachys zeylanica is listed in the chapter on Fern Oddities in Reference 4 below. The green leaves are palmate in shape with the attached fertile spike in the center bearing yellow spores. Plants are considered to be easily grown in a pot in acidic mix but must be protected from frost.

            In northern areas of Australia these ferns are found at the edge of forests near streams, ponds and swamps. In Malaya they grow in moist, lightly shaded lowland areas. Plants are found at the edge of marshes in Taiwan, often in shallow water. They grow with the summer rains but may become dormant during the dry season.

            Helminthostachys
            This plant of Helminthostachys zeylanica, grown by Bob Charlton, was displayed in the Fern Show. Photo credit: B. Charlton.

            Psliotum plants are commonly called whisk ferns, and were formerly considered to be fern allies. They reproduce by spores and also by division of the rhizome clump. Psilotum complanatum lacks roots. Instead, water and nutrients are absorbed through fine hairs called rhizoids located on the stems. There are no true leaves, but the green stems are photosynthetic.

            Psilotum complanatum grows in nature in tropical rainforests of America, Australia, Malaysia and islands. It is epiphytic and sometimes grows in Platyceriums on trees. Plants can develop into quite large, pendulous clumps. In cultivation Psilotum complanatum needs protection from cold.

            Psilotum detail
            Psilotum complanatum, detail. This plant, grown by Don Callard, is also shown in the photo on page 3. Photo credit: K. Russell.

            References:
            • Holttum, R.E. (1968). Flora of Malaya: An illustrated systematic account of the Malayan flora, including commonly cultivated plants (Vol. II, Ferns of Malaya). Singapore: G.P.O.
            • Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.
            • Huang, T. (1980). Flora of Taiwan (Vol. 1). Taipei, Taiwan: Editorial Committee of the Flora of Taiwan, Second Edition.
            • Jones, D.L., and Clemesha, S.C. (1981). Australian ferns and fern allies. Sydney: Reed.
            • MacCarthy, P.M. (1998). Flora of Australia (Vol. 48, Ferns, Gymnosperms and allied groups). Canberra: CSIRO.

            October Meeting

            In October we will meet on the fourth Thursday, on October 24. David Curtright will talk on water gardening.

            Nominations for 2014

            A Nominations Committee is forming to nominate the officers and board members for the coming year 2014. Members interested in serving on the Nominations Committee should contact Kathie Russell at the September meeting, or email in advance to:
            sandiegofernsociety@gmail.com

            Also, suggestions for persons to fill the officer and board positions may be given to the Nominations Committee or a current board member. The nominations for 2014 will be presented at the November general meeting, and elections are held at the annual meeting of the San Diego Fern Society in December.

            Autumn water for ferns
            Adapted from "Ferning in San Diego in the Fall" by Bob Halley. This article was first published in the Fern World, 1993..

            Until rains begin, your ferns need to be watered regularly. When days become shorter and nighttime temperatures drop, most of the plants will not be actively growing and thus should be watered sparingly.

            In the case of a Santa Ana condition when hot dry winds blow across our area from the desert to the east of us, everything in your yard that is still growing will need water. You should try to keep the humidity up by sprinkling the area several times a day to keep mulch dampened.

            After the anticipated rainy season begins, make use of rain and stop adding your own water. You may turn off automatic water systems but you will need to watch your garden areas and containers carefully. A week without rain will probably mean that plants are too dry. Or, you may have outdoor areas that benefit from rain but also plants under shelter which need to be watered.

            Tropical plants require protection from cold but may continue to grow. Some sub-tropical and temperate climate plants stay green all year but others start to look brown or ragged. Some of these ferns are deciduous, and some are deciduous only if there is frost or certain conditions. It is important to learn about your ferns, and not throw them out too soon. Keep plants that are new to you over the winter. Move container ferns that seem to be in decline to an appropriate location for the winter, give them minimal water and wait for new growth in spring.

            fern
            Astrolepis sinuata, detail. This fern, grown by Gary Bourne and exhibited in the Fern Show, is native to the American Southwest including Mexico and south to Argentina. Its habitat includes desert areas and it is considered to be a xeric fern. Photo credit: K. Russell.
            Meeting Calendar 2013
            September 19
            October 24 (4th Thursday of the month)
            November 21
            December 19 (Annual Meeting)
            Board Meeting
            Room 104, 7:30 pm
            Tuesday November 5



            San Diego Fern Society Officers for 2013


            President
            Kathie Russell klrkath@yahoo.com

            1st Vice President and Secretary
            Amna Cornett amnacarol@yahoo.com

            2nd Vice President
            open (shared board responsibility)

            Treasurer
            Jay Amshey coastbiomaterials@cox.net

            Board Members:
            Bruce Barry
            Bob Charlton kwyjibo@san.rr.com
            Bill Ganger wganger@sbcglobal.net
            Richard Lujan

            Past President
            Don Callard dcallard@san.rr.com

            Website

            www.sandiegofernsociety.com
            Webmaster: Bob Charlton kwyjibo@san.rr.com

            Membership

            Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
            San Diego Fern Society
            2350 Jennifer Ln
            Encinitas CA 92024

            San Diego Fern Society Objects and Purposes

            The San Diego Fern Society was formed
            * to provide a source of information on ferns;
            * to arrange for people to study ferns together;
            * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

            The Society aims
            * to encourage all horticultural activities by example, education, exhibits, and donations;
            * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
            * to promote and stimulate interest in ferns;
            * to encourage and develop culture of various types and varieties of ferns;
            * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

            AUGUST MEETING

            The San Diego Fern Society will meet Thursday, August 15, 2013. The meeting begins at 7:30pm in Casa del Prado Room 101, Balboa Park. In August we will view photos of previous fern shows as we prepare to set up the 2013 San Diego Fern Society Show and Sale. After the short meeting with this presentation there will be time to begin your show plant registration. The Fern Society library books will be available to help you determine correct plant names.

            Refreshments

            In August, refreshments will be provided by Bob Charlton and Richard and Angelina Lujan.

            Report on July Special Event

            The San Diego Fern Society met on Saturday, July 20 at Bob Charlton's patio for a relaxed summer gathering and potluck. Bob and Patty were very gracious to open their place for our visit. Our opportunity to view their fern collection in its home location was a special treat. Members and friends attending were able to enjoy casual conversation and tasty food. Thank you to Bob and Patty!


            flea1 market finds 2011

            Bob Charlton acquires plant stands and other useful garden items at flea markets. Shown here, he loaned one of his finds for the Fern Show. Photo credit: Kathie Russell.

            Schedule and tasks for the Show


            Friday morning August 16 we need a few volunteers around 9am to assist with setting up Room 101. At this time we plan to assemble the platy display boards, set up the stands for hanging plants, and arrange tables for the show.

            Friday afternoon from 2pm to 5pm is registration of show plants. You need to determine the name of your plant(s) to enter the Show. Ferns should be trimmed and ready for placement by 5pm Friday, and Show plants must remain for the duration, until 4pm on Sunday.

            Saturday morning August 17 we begin the judging process with instructions at 8:30am. Judges and clerks need to be available for the morning. Room 101 is closed to the public until judging is completed.

            Saturday noon the Show and Sale opens to the public. Please invite your friends!

            Sunday August 18 the Show and Sale will be open from 10am to 4pm.

            After the Show you will need to pick up your show plants at 4pm or make arrangements for their return. If you need assistance with your plants, please ask your friends and family to help. There are many tasks for the Fern Society members at the end of the show, including removing all the show plants, any plants left from the sale, and disassembling and storing the show equipment. All those who are able can support your club by helping take down the Show.

            1a things growing2010
            View of Show in 2010. Photo credit: Kathie Russell.

            Memberships

            We plan to have membership forms available during the Fern Show and Sale. Please encourage interested visitors to join the San Diego Fern Society. The Show is the best opportunity of the year to make new friends for the club and increase our membership.


            Really Looking at Your Ferns
            A.W. Roberts
            LAIFS Fern Journal, adapted from a paper and reprinted with permission in the Fern World in 1988.

            Since ferns are non-flowering plants, much emphasis is placed on the foliage and their structure. I have listed nine points for your consideration in looking at ferns.

            1. Color tone

            Since there is a wide range of color tones in the various kinds, familiarity with the appropriate color is of great importance in deciding if the plant is growing well. For instance, a healthy color for Pteris tremula is not a healthy color tone for Pteris 'Ouvrardii', the former being chartreuse, the latter a dark green when well grown.

            2. General development

            A good plant has a sufficient number of well developed fronds borne on sturdy stems able to properly support the plant foliage, except in the case of weeping (pendant) types grown in hanging baskets. Plants should be attractive from as many angles as possible.

            3. Firmness of texture

            Stems and fronds should be firm and able to retain a normal position without breaking or sagging beyond the normal position.

            4. Quality of foliage

            Good foliage will reflect the general health of the plant resulting from good cultural practice and care, proper light exposure and growing conditions, and suitable environment and water.

            5. Freedom from deformities

            Among ferns, as in many other plants, there are deformities caused by virus diseases, fungi, insects, unfavorable atmospheric conditions, and nutritional deficiencies. Obviously, a careful grower will take steps to minimize such conditions.

            6. Freedom from insects and fungal diseases

            Sucking insects, spiders, mites, aphids, thrips, slugs, snails, and cutworms stunt, deform and reduce the vigor and quality of the foliage. Such pests will have been eliminated from well grown plants.

            7. Freedom from nutritional difficulties

            Nutritional deficiencies impair the vigor of the plant and can cause distortion of growth. Undernourished plants will be spindly and unable to support foliage properly.

            8. Suitable container

            The ferns should be planted in a container of a size not too large nor too small. The container should improve the appearance of the plant and compliment it. Tin cans and printed tubs such as cottage cheese containers do little for a plant.

            A grower may decide to place a fern in an artistic manner or other planting arrangement such as driftwood, mounting board (Staghorn ferns, especially), hanging baskets, wall pockets, feather rock, etc. In such cases, the form of the fern should be in harmony with the line, size, and form of the container. The artistic effect may overrule some of the former considerations.

            9. Difficulty of cultivation

            Some ferns are extremely demanding and temperamental. Others are exceedingly slow to develop. A well grown plant of this type is indeed an accomplishment.

            These are good matters to consider when you are looking at your plants critically. If a plant is lacking, these points can serve as a guide to improving your fern growing skills and achieving better results. If you check your plants on all these points and you rate them well, you will have a sense of satisfaction. You will enjoy your ferns and others will appreciate them as well.

            Helping guests at the Fern Show learn about growing ferns

            A couple of common perceptions regarding ferns often confuse the public. First, everyone seems to think that ferns require a great deal of water. When we Fern Society members talk to guests at the San Diego Fern Show, it is helpful to put water concerns in perspective. Most gardeners have some roses, lawns or other water-intensive landscaping. Ferns are no more thirsty than many other landscape plantings. Visitors rarely realize that some types of ferns grow in the desert areas of San Diego County and elsewhere.

            For home and patio gardening, ferns are best kept in containers or planting beds with good drainage. Members can help those purchasing ferns from our Sale to understand the water and container drainage needs for the plants.

            Also there is the assumption that all ferns need shade. This is mostly true for the types of ferns found in nurseries and our Fern Sale. However, some ferns grow in full sun, and some have a high tolerance for partly sunny locations. When visitors to the Show and Sale express their concerns about shade, Fern Society members should consider the guests' home locations and which ferns might do well for them. If buyers are successful in growing ferns, they may discover they enjoy ferns and return to our meetings and future shows.

            2P viechii 2012
            Fern Show 2012. Platycerium veitchii is the only staghorn that grows well in full sun.

            2John's ferns Ecuador 2012
            Fern Show 2012. An interesting collection of ferns from Ecuador.
            Both photos: Kathie Russell.


            Suggested ferns for the San Diego area

            Adiantum raddianum, Adiantum hispidulum (maidenhair ferns). Adiantum raddianum has many cultivars, and grows well near a concrete wall or patio. Both of these ferns die back briefly in winter, and old fronds can be removed to keep the plant attractive. Adiantum hispidulum produces bright pink fronds in early spring, which soon turn green. The maidenhair ferns do not appreciate complete dryness, but with watering may come back again and produce new fronds.

            1a raddianum 2011
            Fern Show 2011. One of the many cultivars of Adiantum raddianum
            available in the nursery trade. Photo credit: Kathie Russell.

            Nephrolepis exaltata (Boston fern). There are many newer cultivars which provide variety to a fern collection. Some have frilly fronds; some are small (such as 'Compacta') to fit your space requirements. They grow well indoors when given good light, and outside in patios.

            Nephrolepis cordifolia (sword fern). Similar to Boston ferns, these plants with more upright fronds are well suited to San Diego gardens. Varieties such as 'Lemon Buttons' combine well in garden beds with other plantings. Water needs are very modest and plants grow in sun (especially near the coast) to part shade.

            Cyrtomium falcatum (holly fern). This grows readily in garden beds or placed in a rock wall. Plants are tolerant of low water and some sun. A dwarf variety is popular.

            Davallia trichomanoides (also called Humata), Davallia mariesii (some of the common names used are rabbit's or squirrel's foot fern). The rhizomes will grow over a moss-lined basket so you can see the fuzzy "rabbit feet". Provide regular water to keep basket from drying out. These can also be grown in the garden over rocks.

            Blechnum gibbum 'Silver Lady'. This fern has bright red/pink fronds on new growth in spring. Over time, the plant develops a small trunk and will be a tree fern. It may be kept in a container but will make a lovely landscape plant as it seems to have attractive fronds throughout the year.

            Pteris albo-lineata. Plants work well in containers but also in the ground. This fern will go nearly dormant in winter. It produces two types of fronds, sterile and fertile. It needs water in summer.

            Pellea rotundifolia needs excellent drainage and should be watered just before soil is dry. It can be grown indoors or outside.

            Phlebodium aureum. Makes a great large basket plant but also can be grown in the garden where there is room for plants to spread. Frond color varies from bluish green to green hues, depending on variety and light conditions.

            Platycerium bifurcatum (staghorn fern). These are mounted on boards with sphagnum moss, and hung in partial shade. Water should be put into the moss behind the plant, and must drain.

            Meeting Calendar 2013
            August 15
            Fern Show: August 17-18
            September 19
            October 24 (4th Thursday of the month)
            November 21
            December 19 (annual meeting)

            Board Meetings
            Room 104, 7:30 pm on Tuesdays September 3, November 5


            San Diego Fern Society Officers for 2013


            President
            Kathie Russell klrkath@yahoo.com
            1
            st Vice President and Secretary
            Amna Cornett amnacarol@yahoo.com
            2
            nd Vice President
            open (shared board responsibility)
            Treasurer
            Jay Amshey coastbiomaterials@cox.net
            Board Members:
            Bruce Barry
            Bob Charlton kwyjibo@san.rr.com
            Bill Ganger wganger@sbcglobal.net
            Richard Lujan
            Past President
            Don Callard dcallard@san.rr.com

            Website

            www.sandiegofernsociety.com
            Webmaster: Bob Charlton kwyjibo@san.rr.com

            Membership

            Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
            San Diego Fern Society
            2350 Jennifer Ln
            Encinitas CA 92024

            San Diego Fern Society Objects and Purposes

            The San Diego Fern Society was formed
            * to provide a source of information on ferns;
            * to arrange for people to study ferns together;
            * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

            The Society aims

            * to encourage all horticultural activities by example, education, exhibits, and donations;
            * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
            * to promote and stimulate interest in ferns;
            * to encourage and develop culture of various types and varieties of ferns;
            * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


            Volume XXXVIII, Number 8

            JULY SPECIAL EVENT

            The San Diego Fern Society will meet Saturday, July 20, for a casual summer potluck at the home of Bob Charlton. We will gather around 4pm to enjoy the relaxing patio garden and some snacks. There will be a grill provided for your use, and we will share side dishes and desserts, potluck style. Please bring your own table service and beverage.

            The Charlton house has a sloped driveway down from the street. For those with accessibility concerns, please call Bob before the event. Ride sharing may be arranged by phoning a board member or sending email to sandiegofernsociety@gmail.com at least two days in advance.

            For directions, please refer to the Fern World sent to you by mail or email.


            Report on June Meeting

            The San Diego Fern Society met on Thursday June 19. We enjoyed a photo tour of the US Botanic Garden in Washington DC, given by Kathie Russell. She chose photos to provide an overview of the outdoor and indoor gardens and a tour of nearly all the ferns. Outdoor garden areas showed some of the ferns and other plants grown in the eastern US.

            The jungle room of the glasshouse has some
            Platyceriums which were donated to the gardens by our own Don Callard in 1996. Many varieties of tropical ferns from around the world are also there and in the other glasshouse areas. The jungle room of the US Botanic Garden is a fun place for fern fanatics with a walkway in the treetops. This garden is free and open to the public.

            Art in Bloom

            Susan Ludwig, our own Fern Society member along with her husband Dick, invites us to an event this weekend in Balboa Park. Through her efforts, plant and floral society people have the opportunity to interact with artists right here in the park.
            art flyer1

            San Diego County Fair 2013

            The Del Mar Fair was a great success for the San Diego Fern Society.
            Thanks goes to all who helped with design, dirt and rocks, getting plants, loaning plants, art, constructing exhibits, watering/maintenance, take down and returning plants. We received great recognitions and the fairgoers really noticed these exhibits. You have to hang around during the fair a bit and watch the visitors, and talk to them, to appreciate the Fern Society efforts.
            fair landscape 20131
            fair container exhibit 2013

            Adiantum ferns

            The maidenhair ferns are a favorite of many fern hobbyists. Orchid and begonia growers often include them in their growing areas, and many gardeners use maidenhair ferns in shady planting beds. With perhaps 200 species, there are many
            Adiantum ferns to consider. These ferns especially populate the American tropics.

            Maidenhair ferns native to the US

            In temperate regions of the US, the five-finger maidenhair ferns grow in nature.
            Adiantum pedatum, the northern maidenhair, is found in woods from the midwestern US to the Atlantic coast. Adiantum aleuticum, the western maidenhair, grows primarily in western woodlands and especially the coastal areas from California northward to Alaska. There are minor differences between these species, one of which is that A. pedatum has red new growth in spring whereas A. aleuticum is green.

            Adiantum aleuticum colonizes even on vertical cliffs and provides a spectacular fern display in Prairie Creek Redwoods State Park, California, in the area known as Fern Canyon. Look for this fern on serpentine rock. These two similar ferns are not easy to grow in dry climates.

            Adiantum capillus-veneris is another temperate maidenhair of the United States, and also is widespread elsewhere in the subtropical world. It is often called the southern maidenhair and tolerates cool/cold winters and hot summers. Look for it on limestone where moisture seeps to keep it constantly wet. This fern does not last well in acidic soil garden beds where many other ferns thrive. It is the surprise maidenhair fern of the Anza-Borrego Desert, found at both Palm Canyon and Hellhole Canyon in San Diego County.

            Adiantum pedatum and A. capillus-veneris are readily found in the nursery trade. All of the above maidenhair ferns are winter cold dormant, which means gardeners may especially enjoy watching for the new growth of late winter or spring.

            Adiantum jordanii is fairly common in San Diego County where it is summer dormant when dry. If there are autumn rains, expect it to grow new fronds in December in San Diego. Locally it may be seen in Mission Trails Regional Park. Even though it is native in this area, it is considered challenging to grow. In California it hybridizes naturally with A. aleuticum to form Adiantum X tracyi. Those growers wanting a different type of maidenhair fern should try this hybrid form which is hardy.
            falls sm1

            Nojoqui Falls, Santa Barbara County CA. Shown here, looking up for a partial view of the 100 foot ribbon falls and photo next page, detail of ferns. All three species of California Adiantums grow at this one location, just a mile off of Highway 101 and a quarter mile walk (nearly level) from parking area. Waterfall viewing is best in spring. Photo credit: Kathie Russell.

            three CA adiantums sm1
            A species from Florida, Adiantum tenerum, is sometimes available for cultivation. Since it is found on limestone in nature, it should be grown in moist, basic soil. The natural cultivar 'Farleyense' is desirable for gardeners, providing attractive arching fronds. This plant tolerates sunny areas but needs protection from cold.

            Maidenhair ferns from around the world

            The rosy maidenhair,
            Adiantum hispidulum, is popular as a houseplant and a garden plant in warmer climates. It grows naturally in temperate to subtropical areas throughout much of the world. Although not a native fern, A. hispidulum has naturalized in the southern US. In San Diego it is readily grown either in containers or the shade garden. The new spring growth is a rosy pink color and very attractive, giving it the common name, rosy maidenhair.

            The many varieties of
            Adiantum raddianum are probably the most popular of the maidenhair ferns. Although from the American tropics, they are somewhat cold-hardy. They are great choices for San Diego gardeners in a wide range of cultural conditions. These plants tolerate a bit of sunshine, our slightly alkaline water, and they generally thrive near concrete sidewalks and patios. They may be trimmed back whenever growing and especially for the winter season, and plant clumps may be divided. They do not seem to be demanding about soil mix and are known to grow with little soil in gravel or rock. Plants are equally at home in baskets or the ground and may live many years.

            Popular cultivars of
            A. raddinum are 'Ocean Spray' and 'Pacific Maid.' Cultivar "Gracillimum' has very fine pinnules and a delicate appearance. Christopher Goudy lists over 60 cultivars in his book (Reference 1), and you can expect various forms to be available in nurseries.


            Adiantum caudatum is a tropical plant found in Asia from India to Malaysia, Taiwan, Philippines and New Guinea. The simply pinnate fronds are up to 20 inches long. A bud for a new plant forms at the end of the frond, so A. caudatum will spread across the ground, and is especially attractive when grown in a hanging basket. Plants are sometimes available in nurseries.

            A caudatum sm1
            Adiantum caudatum, US Botanic Garden, Washington DC. Photo credit: Kathie Russell.

            Adiantum venustum grows on the slopes of the Himalayas in Asia. This small, hardy maidenhair fern is cultivated even in protected areas of England, and is sold by US growers.

            Several maidenhair ferns from the American tropics are desired by gardeners and are cultivated in the nursery trade.
            Adiantum macrophyllum, A. peruvianum and A. trapeziforme all make dramatic accent ferns but need protection from cold below 55 F.

            Adiantum concinnum is a common fern from the American tropics. Again, this maidenhair fern needs protection from winter cold.

            pan adiantum sm1
            Adiantum concinnum found in a tropical forest in Panama. Photo credit: T. Russell.


            San Diego Fern Society
            Show and Sale
            August 17-18 2013
            Casa del Prado Room101
            Balboa Park, San Diego
            Saturday noon to 5pm
            Sunday 10am to 4pm

            August Fern Show and Sale

            For 2013, our show will be held on Saturday and Sunday, August 17-18. We will have our Fern Society meeting on Thursday evening, August 15, and you may bring in plants at that time. Judges have been invited to assist us since the Board has voted to use a slightly streamlined system of judging of plants this year, in the same categories as the past. Please prepare your ferns in advance.

            Plants for the show will need to be ferns that you have owned and cared for during the past three months. It is very important to determine the correct names for your plant entries. No plants are allowed in the room with pest infestation, including ants. July is the time to clean up and de-bug all your potential show plants.

            Please plan to assist your club with the show tasks in August. There are jobs available for everyone!

            References:
            Goudey, C. J. (1985).
            Maidenhair ferns in cultivation. Melbourne: Lothian.
            Hoshizaki, B. and Moran, R. (2001).
            Fern grower's manual. Portland, OR: Timber Press.
            Lellinger, D. B. (1985).
            A field manual of the ferns & fern-allies of the United States & Canada. Washington, D.C.: Smithsonian Institution Press.
            Jepson Online Interchange for California Floristics. Retrieved July 1, 2013.
            Olsen, S. (2007).
            Encyclopedia of garden ferns. Portland, OR: Timber Press.



            Calendar 2013

            July 20 (Special Summer Event)

            August 15 Meeting
            August 16 Show set up and plant registration
            Fern Show: August 17-18

            September 19

            October 24 (4th Thursday of the month)

            November 21
            December 19 Annual Meeting and Party



            Board Meetings
            Room 104, 7:30 pm on Tuesdays September 3, November 5


            San Diego Fern Society Officers for 2013


            President
            Kathie Russell klrkath@yahoo.com
            1st Vice President and Secretary
            Amna Cornett amnacarol@yahoo.com
            2nd Vice President
            open (shared board responsibility)
            Treasurer
            Jay Amshey coastbiomaterials@cox.net
            Board Members:
            Bruce Barry
            Bob Charlton kwyjibo@san.rr.com
            Bill Ganger wganger@sbcglobal.net
            Richard Lujan
            Past President
            Don Callard dcallard@san.rr.com

            Website

            www.sandiegofernsociety.com
            Webmaster: Bob Charlton kwyjibo@san.rr.com

            Membership

            Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
            San Diego Fern Society
            2350 Jennifer Ln
            Encinitas CA 92024


            San Diego Fern Society Objects and Purposes

            The San Diego Fern Society was formed
            * to provide a source of information on ferns;
            * to arrange for people to study ferns together;
            * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

            The Society aims

            * to encourage all horticultural activities by example, education, exhibits, and donations;
            * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
            * to promote and stimulate interest in ferns;
            * to encourage and develop culture of various types and varieties of ferns;
            * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


            Volume XXXVIII, Number 7


            June Meeting

            The San Diego Fern Society will meet Thursday, June 19, 2013. The Society will meet at 7:30 pm in Casa del Prado Room 101, Balboa Park.

            In June we will visit by photos the United States Botanic Garden in Washington DC. Kathie Russell recently explored these gardens and plant collections with camera in hand. Then, she returned the following day to further check out the
            Platyceriums (come to the program and learn this story). The national collection is extensive and interesting, and yes there are many ferns.

            George Washington envisioned a garden for the planned new US capital city. The garden is the Smithsonian institution closest to the Capitol building. We, the people, own this garden so enjoy!

            JULY Special Event

            Rather than meeting in Balboa Park, in July we are invited to Bob Charlton's patio for a casual summer gathering. We will enjoy a potluck and garden visit on Saturday July 20 starting at 4pm. Room 101 is not available that week and this alternative will be a great opportunity for a special summer event. Mark your calendar as this is a change of meeting date and time.

            Report on San Diego County Fair

            The San Diego Fern Society is happy to accept a
            First Place award for a medium landscape exhibit and a First Place award for a container exhibit! It has been several years since we received awards, and after all our hard work it is great to be recognized. Don Nelson attended the awards breakfast on Friday June 7 and
            accepted our ribbons. Thank you Don for digging and planting all those ferns, and for attending the awards event.

            fair awards
            Don Nelson accepting Blue Ribbons at the fair garden stage, June 7th.


            Many helpers worked to get these exhibits ready: planning, shaping the exhibit (digging), transporting and planting plants, getting ferns from A&G, making a kite and painting it (Kathy Thompson). Thanks to all who worked and to those who loaned plants and groomed them. We also appreciate the team that is currently watering and maintaining the exhibits and (coming soon) returning everything to where it belongs after the fair.

            Our county fair effort has both financial and promotional value to the San Diego Fern Society. Our ferns are displayed for the thousands of people who come to the fair. According to the fair website, there are 99 exhibits in the Garden Show.

            The Del Mar Fair will continue through Thursday July 4, except Mondays during June. Take down of exhibits is July 5-8, and you will need to pick up your plants or make arrangements for their return.

            NEWS AND NOTES

            Fern Show 2013

            Coming up, sooner than you think, is our annual Fern Show and Sale. Having a free show for the public is part of the San Diego Botanical Garden Foundation agreement with the city for use of facilities in Balboa Park. Our show will be held as usual August 17-18 in Casa del Prado Room 101.

            This year we plan to have awards for the Show, and the Fern Society board needs to hear your ideas for a streamlined judging and awards plan. Our members and friends work hard to grow beautiful ferns, and they should be recognized for their efforts. Send your ideas by email to
            sandiegofernsociety@gmail.com or talk to a board member, this month.

            Even though we are still in the midst of the San Diego County Fair, it is time to consider your plant care for the Show. Many of your ferns are (hopefully) receiving excellent care at the Fair and may next be exhibited at the Show. See page 5 for plant preparation ideas from a past member who consistently had great ferns on display.

            Memberships

            Membership is available in the San Diego Fern Society for the modest cost of $12 for each household. The San Diego Fern Society is a bargain, with programs, newsletters and the annual show for your enjoyment. See Jay Amshey at the June meeting or mail to the address on page 6.

            Refreshments

            In June, refreshments will be provided by Nancy Hoyt and Kathie Russell. There will be a clipboard at the June meeting where you can sign up to bring goodies for the coming months of August to November.

            In July as a summer special we will have a potluck. December brings our Annual Meeting and Party.

            Report on May Meeting

            The San Diego Fern Society met on May 16. We enjoyed a presentation from Michael Ludwig, a long time associate and friend of the San Diego Fern Society. Michael's specialty is begonias and he has worked extensively to preserve materials from begonia experts by establishing the Kolz Begonia Research Center. View further information on the website (kolzbegonia.com).

            Michael is active in several horticultural organizations and he grows many types of plants including ferns. He showed photos of his growing area and shared his plant care experiences for his many begonias and also for the extensive plant collection he maintains in San Diego.

            The Lady Fern

            A beautiful fern commonly grown across the temperate regions of the world is the lady fern, Athyrium filix-femina. John Mickel considers it part of the backbone of a fern garden. Sue Olsen says it is practically world-wide in distribution. The European form carries the species name, and American plants are given three sub-species designations. There are literally hundreds of cultivars. The fern experts say it is easy to grow in moist shady areas with acidic soils. Those conditions are not found in the usual San Diego garden environment.

            lady fronds
            Fronds of Athyrium filix-femina. US Botanic Garden. Photo credit: Kathie Russell.

            References:
              Microsorum ferns

              Polypodiaceae is a large family containing around 60 genera and a thousand species. Polypodium is one of the genera in the family, and Microsorum is another. Microsorum ferns used to be considered Polypodiums, but now are in a separate genus. They are tropical and sub-tropical, and most come from southeastern Asia.

              You may see the name
              Microsorum misspelled, even on nursery lists and plant labels. Consider Microsorium just a misspelling, not a different genus. Most of us have enough challenges learning these names without further confusion.

              Microsorum diversifolium, also called Microsorum pustulatum, shows frond shape variation from ovate to lobed. This plant, native to Australia and New Zealand, is considered semi-tender and does well in the San Diego area. Sometimes called the kangaroo fern, these plants grow outdoors even in mild areas of England. These ferns are abundant in New Zealand coastal areas, both in forests and scrub. Plants creep over the ground, over rocks and also grow on trees. This fern is considered easy to grow in shady conditions.

              Microsorum scandens, sometimes called the fragrant fern, is another native of New Zealand and Australia. You may also see it called Phymatosorus scandens, as name groupings have been changed over time. This plant is semi-hardy as might be expected for a New Zealand fern, and produces fronds up to two feet long, either entire or lobed. In nature it creeps across the ground, over rocks or up trees in wet habitats. Basket culture is recommended for growing this fern.

              Microsorum punctatum somewhat resembles a birds-nest fern, with strap-shaped fronds, but does not make a symmetrical basket growth shape. It is found on trees and sometimes even walls in tropical and sub-tropical areas of Africa and Asia. It is suggested for hanging baskets and is somewhat tender.

              microsorum punctatum sm
              Microsorum punctatum. US Botanic Garden. Photo credit: Kathie Russell.

              Microsorum musifolium is a tropical plant from southeastern Asia, somewhat large and basket shaped. Fronds are lance-shaped and may grow up to 3 feet long, with conspicuous veins. M. musifolium var. 'Crocodyllus', the crocodile fern, was found as a mutation in species plants growing in Australia. This fern variety is patented, so when you purchase it there should be a tag in it, such as is found in Nephrolepis exaltata 'Dallas".

              microsorum musifolium sm
              Microsorum musifolium. US Botanic Garden. Photo credit: Kathie Russell.

              crocodile sm
              Microsorum musifolium var. 'Crocodyllus'. US Botanic Garden. Photo credit: Kathie Russell.

              Microsorum steerei
              is a fern of striking color with blue-green iridescent fronds. It is tropical, found in China, Taiwan, Thailand and Vietnam. Low light is best, perhaps because of the color. It is reported to grow naturally on limestone and in quite humid conditions. In nature fronds may be 15 inches long, but in cultivation it is a slow growing, smaller plant.

              Microsorum spectrum is endemic to Hawaii. Plants are found in wet forests, covering the ground and spreading up tree trunks and rocks on all the major islands. Variety 'spectrum' shows deltate fronds (triangular). Variety 'pentadactylum' has palmate fronds (hand-like) and grows primarily on the island of Kaua'i.

              Microsorum scolopendria is native to the Old World tropics. It is medium in size, with deeply lobed fronds of yellow-green. Plants are highly variable and tolerate high light. The varieties cultivated in the US are considered by some botanists to be Microsorum grossum.

              Microsorum pteropus, commonly known as Java fern, is found on trees and rocks along streams in southern China, India, the Malay Archipelago, New Guinea and Japan. In nature this plant will survive in places that seasonally flood. As it grows in waterfalls and along streams, when water levels are high it continues to survive completely submerged. Used for aquariums, the submerged plants have small entire fronds and reproduce by buds. Above the water level, fronds may grow a bit larger, have three lobes, and produce spores.

              M pteropus light
              Microsorum pteropus. Photo credit: Tsunamicarlos, Wikimedia commons, public domain.

              Plants of
              Microsorium pteropus are available locally from David Curtright (pondplants.com) or from aquarium suppliers. Microsorum scolopendria is currently available from Josh's Frogs of Michigan (joshsfrogs.com).

              Some varieties of
              Microsorum are often found in local nurseries, but you may need to shop around and keep checking back. Microsorum diversifolium was seen in recent months at Walter Andersons and also at Home Depot.

              M. musifolium var. 'Crocodyllus' is listed for sale at Gardino Nursery in Florida (rareflora.com). Microsorum punctatum is currently available at Glasshouse Works in Ohio (glasshouseworks.com)

              References:
                Start Now: Getting Your Plants Ready for the 2013 Show, August 17-18

                Any plant you owned by May 17 of this year may be brought to the show. If you haven’t looked over your plants yet to see which ones are growing well and look healthy, now is a good time to do that, as well as to pay a little extra attention to the plants you’re planning to display.

                If you don’t know the names of all the plants you want to display, bring a frond (or the whole plant) to this month’s meeting to get it named. Once you know the name, you can look up what its special needs are and how to take care of the fern. Fertilize at least once every three weeks or use a time-release fertilizer like Osmocote. Some growers add a very small amount of fertilizer every time they water – nurseries do! Check all the plants you select for pests and disease. If you bring an infested plant to the show it will be disqualified. In the meantime snails, slugs, sow bugs, pill bugs and aphids are at their worst right now. As the weather warms up, thrip, scale, mealy bugs, and spider mites become a problem for ferns, too. If the fronds of your fern turn an uncharacteristic silver color, thrip may have attacked the plant. Check for very small, spindle-shaped bugs. If you find them, use your favorite insecticide to get rid of them, diluted to half normal strength. Then remove all fronds with the insect damage to help make sure no eggs laid on those fronds hatch and re-infect the plant.
                plants from R Halley 2011 sm

                Remember to water your ferns more often now that summer is here, especially when those warm, dry Santa Ana winds blow through. They can dry out your ferns in a hurry.

                If you haven’t already done so, you should groom all the old and dead fronds out of your plant now. For most plants there are still two months of prime growing time left. If you thin out the old fronds, there will be room and plant energy to produce new ones. If you wait until the show you may be left with a plant that has holes where you removed the old fronds. Continue to groom your plants occasionally over the next two months.

                At this point you might move your show candidates to the best spots in your growing area. These are the places that get the best light, that are least likely to suffer from pest attacks, and have good air movement but not a lot of wind. Remember too, that the “best” spot for one plant may be a bad choice for another plant. A little research about your candidates’ growing needs will help you place them.

                Good luck!

                Written by Robin Halley
                Reprinted from June 1989
                Fern World

                Meeting Calendar 2013

                June 20

                July 20 (Saturday special event at Bob Charlton's patio)

                August 15
                Fern Show: August 17-18

                September 19

                October 24 (4th Thursday of the month)

                November 21

                December 19

                Board Meetings
                Room 104, 7:30 pm on Tuesdays July 2, September 3, November 5


                San Diego Fern Society Officers for 2013


                President
                Kathie Russell klrkath@yahoo.com
                1st Vice President and Secretary
                Amna Cornett amnacarol@yahoo.com
                2nd Vice President
                open (shared board responsibility)
                Treasurer
                Jay Amshey coastbiomaterials@cox.net
                Board Members:
                Bruce Barry
                Bob Charlton kwyjibo@san.rr.com
                Bill Ganger wganger@sbcglobal.net
                Richard Lujan
                Past President
                Don Callard dcallard@san.rr.com

                Website

                www.sandiegofernsociety.com

                Webmaster: Bob Charlton kwyjibo@san.rr.com

                Membership

                Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                San Diego Fern Society
                2350 Jennifer Ln
                Encinitas CA 92024

                San Diego Fern Society Objects and Purposes

                The San Diego Fern Society was formed
                * to provide a source of information on ferns;
                * to arrange for people to study ferns together;
                * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                The Society aims
                * to encourage all horticultural activities by example, education, exhibits, and donations;
                * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                * to promote and stimulate interest in ferns;
                * to encourage and develop culture of various types and varieties of ferns;
                * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

                Volume XXXVII, Number 6

                May 2013



                MAY MEETING

                The San Diego Fern Society will meet Thursday, May 16, 2013. The Society will meet at 7:30 pm in Casa del Prado Room 101, Balboa Park.

                In May we welcome Michael Ludwig, a long time associate and friend of the San Diego Fern Society, to speak on
                Companion plants – if you just need to have some color. Michael's specialty is begonias and he has worked extensively to preserve materials from begonia experts by establishing the Kolz Begonia Research Center. Housed in his (former) garage, this collection has been growing for ten years and maintains private papers, books, photos and an herbarium for begonias.

                Michael is part of several botanical organizations and is a past judge for our Fern Show. He keeps an active presence in the horticultural world. View further information on the website (kolzbegonia.com).

                San Diego County Fair 2013

                The Del Mar Fair will be open Saturday, June 8 through Thursday July 4, except Mondays during June. The Fern Society again will have a container exhibit and a medium-sized landscape exhibit. The fern landscape garden is in the same location as last year, with member Walt Meier next to us. This year the container display will be in a more prominent middle area of the garden show with a completely new structure. Both will feature ferns appropriate for San Diego area gardens.

                Our county fair effort has both financial and promotional value to the San Diego Fern Society. We need landscape design ideas and implementation from our members and friends. By participating in our displays, you can show your plants to the thousands of people who come to the fair.

                The Flower and Garden Show has taken the theme "Arcades of Color" to complement the 2013 fair theme, "Game On." We are ready to showcase our creativity with ferns as we build an artistic garden.

                The Fern Society plans to arrange larger features and trees in advance. For display, please bring your ferns by 10 am on Saturday June 1. Groom plants in advance and prepare a tag with plant name and your name (to be hidden in the container) so your plants can come back to you after the fair. There are places for a dozen hanging ferns in the container exhibit.

                A sign up sheet will be available at the May meeting for watering during the month-long fair. It is important that we maintain the exhibits and care for our ferns. Take down is July 5, and you need to take your plants or make arrangements for their return.


                NEWS AND NOTES
                Memberships

                A few members need to renew for 2013. $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2013. See Jay Amshey at the May meeting or mail to the address on page 6.

                The Fern Society has an opening for another board member, someone to help with the club's planning and activities. Contact a current board member for information. Meetings are listed on page 6, on the first Tuesday of alternate months.

                Refreshments

                In May, refreshments will be provided by Jay Amshey and Kathie Russell.

                Report on April Meeting

                The San Diego Fern Society met April 18. We enjoyed photos and discussion of the Artistic Garden. Some local gardeners presented their ideas at San Diego Botanic Garden earlier this year, and local nurseries are filled with beautiful plants, containers and garden decor to help us beautify our own gardens and patios.

                For further ideas, visit local gardens, the Balboa Park Botanical Building, the San Diego Zoo, and the San Diego County Fair. Then share what you learn with your fellow Fern Society friends. With this program we hope you are inspired to enjoy your ferns in an environment of beauty.

                Davalias

                In April we divided a large
                Davallia at the end of the Fern Society meeting, and provided cuttings for purchase. The mother plant was originally grown by Bob Halley and identified as Davallia stenolepis. A closer look at names shows that the currently preferred name may be Davallia mariesii var. stenolepis. For those who don't care for Latin names, you might like the Chinese name 台湾骨碎.

                This plant is native to Taiwan, South Korea, Ryuku Islands and China. The species plant
                Davallia mariesii is also found in Japan and is more cold hardy than variety stenolepis. In Taiwan this fern grows on rocks.

                The fronds are pentagonal and 3-4 pinnatifid, growing to about 8 inches long. Rhizomes are covered with whitish tan to brown scales. Plants are evergreen or have only a short dormant period as they shed older fronds and the new ones grow out. A well-drained moist-dry mix or moss is suggested for planting.

                Davallias are treasured ferns in cultivation. They display well in hanging baskets in conservatories and greenhouses. Davallias may also be planted over rocks or used as ground cover, showing off their "furry feet." In San Diego there are several species which may be grown outdoors in addition to Davallia mariesii var. stenolepis.

                References:
                1. Flora of Taiwan. (1980). Taipei: Epoch Pub.
                2. Hoshizaki B. and Moran, R (2001). Fern growers manual.
                Portland, OR:Timber Press.


                Polypodiums for temperate gardens

                Polypodium californicum is found in California, and also Baja California and Oaxaca, Mexico. In Oaxaca it is a high elevation plant on rocks, at around 10,000 feet. This population is far from the nearest location in Baja California. P. californicum is easily found in San Diego's coastal areas at Torrey Pines State Reserve and Sunset Cliffs. There, as should be obvious, it is growing near sea level. It is found among rocks. In the summer season fronds are generally brown and dry, and it is not usually cultivated in gardens. A named variety from nature, P. californicum 'Sarah Lyman' is grown for the nursery trade.

                sarah lyman sm1
                P. californicum 'Sarah Lyman', Leaning Pine Arboretum, San Luis Obispo CA.

                Polypodium scouleri is the coastal polypody of the Pacific Northwest, growing southward to the central California coast. Walt Meier showed great photos to the club of this lovely little plant taken on his travels in Washington state. P. scouleri seems to always be found very near the ocean, practically in the salt spray. Members of the Fern Society have grown it in the past but plants have not lived very long here in San Diego. It is considered semi-hardy.

                Polypodium glycyrrhiza is a small, hardy fern native to the Pacific coastal areas of North America from Alaska southward to California, and also Asia. Plants are usually found on trees in nature, especially big leaf maples. P. glycyrrhiza purchased from nurseries is suggested for basket culture, and will grow new fronds in late summer and remain green through the winter.

                P. californicum and P. glycyrrhiza have hybridized in nature in California as P. calirhiza. This fertile hybrid is cultivated in gardens in moist-dry garden soil or mix with good drainage, and is summer dormant.

                Another fertile hybrid is
                Polypodium hesperium, from P. amorphum found in Asia and P. glycyrrhiza. This hybrid is well established in the western US from Canada to Mexico. It grows on rock and is very hardy (cold tolerant).

                p gly old fronds sm1
                P. glycyrrhiza showing over-wintered fronds; grown in San Diego County.

                Polypodium vulgare is a common temperate climate polypody, growing naturally in Great Britain and Europe, as well as Asia. Martin Rickard, a British fern nurseryman, suggests that it is found in acidic places in nature but may tolerate garden conditions. He identifies numerous named cultivars of this plant. The similar plant Polypodium australe, also known as P. cambricum, has the above range with the addition of North Africa. It produces fronds in late summer through autumn and remains green throughout winter, even in Britain. Rickard identifies over thirty cultivars in his book Plantfinder's guide to garden ferns. These are not often found in the nursery trade in the United States.

                P. australe var. 'Cambricum', showing several variations of finely cut attractive fronds, was identified in the seventeenth century in Wales and gained the common name Welsh polypody.

                p vulgare sm1
                P. vulgare showing over-wintered fronds and a new frond emerging in center of plant, grown in San Diego County for several years. This plant has been given water but no other special care.

                Polypodium guttatum was recently available at Walter Anderson Nursery in San Diego. Plants are considered semi-tender and should have well-drained moist-dry mix. This fern is native to several areas of Mexico. In San Diego it is producing new fronds in April and May.

                p guttatum sm1
                P. guttatum, a recently purchased and planted garden plant showing both old and new growth. All photos: Kathie Russell.

                Polypodium formosanum shows off interesting green rhizomes and seems to put out new fronds in late summer for San Diego gardeners. At the time of the August Fern Show it is often in a transition stage. This plant is attractive in a basket, and is considered semi-tender.

                There are over a hundred species of
                Polypodium, mostly from tropical America.

                References:

                Mickel, J., & Beitel, J. M. (1988).
                Pteridophyte flora of Oaxaca, Mexico. Bronx, N.Y., U.S.A.: New York Botanical Garden.

                • Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.
                • Olsen, S. (2007). Encyclopedia of garden ferns. Portland, OR: Timber Press.
                • Rickard, M. (2000). The plantfinder's guide to garden ferns. Newton Abbot, Devon: David & Charles.
                • Hyde, H. A., Wade, A. E., & Harrison, S. G. (1978). Welsh ferns: Clubmosses, quillworts and horsetails : A descriptive handbook. Cardiff: National Museum of Wales.


                Botany Lesson: Growing Green

                We all know that ferns and other plants are mostly green. Leaf color variations are often prized by gardeners, as well as colorful flowers. However, green plants are the food factories for the world. The dominant pigment, chlorophyll, is found in cell structures where photosynthesis occurs.

                In an over-simplified explanation, plants use light energy from the spectrum of sunlight in reds and blues but not much in green. Thus the unused green light is what we view when looking at plants.

                In photosynthesis, water and carbon dioxide (from the atmosphere) are used by the plant to produce sugar and oxygen. The sugars, which are further converted into starches and cellulose, are retained in the plant. Oxygen is released into the atmosphere.

                Thus plants sustain living organisms, providing food for animals. Oxygen from plants also keeps balance in the atmosphere for animal respiration.

                Reference:
                Capon, B. (1990).
                Botany for gardeners. Portland, OR: Timber Press.

                Botany Lesson: Plant Reproduction

                The fern reproductive cycle has two stages. The spores develop in the gametophyte stage into small structures called prothalli, about 0.2 inch (5 mm) across. This somewhat heart-shaped tiny plant has the male and female sex organs on the underside. Water is needed for sperm to swim to an egg and fertilize it. The fertilized egg then divides and grows into a sporophyte, which becomes the fern plant we recognize. See Chapter 8 in
                Fern grower's manual for explanations and diagrams of the fern life cycle.

                fern gametophyte1
                Fern prothalli, the gametophyte stage of the fern cycle. Photo credit: Random Tree, available from Wikimedia Commons, creative commons attribution.

                Mosses show similar stages, except the mosses we see and recognize are in the gametophyte stage, with the male and female parts seen upon close examination. A clump of moss has no true roots nor vascular tissues, and is composed of perhaps thousands of little plants, about half of which are male and half female. When raindrops scatter sperm across the female plant, a zygote forms within the female plant. This little plant does not photosynthesize and remains attached, growing a spore capsule to repeat the cycle.

                moss sm1
                Moss male and female gametophyte plants. Northern Sierras, Plumas County CA. Photo credit: Kathie Russell.

                Begonias are monoecious, that is, they have separate male and female flowers on the same plant. In order for seeds to develop, pollen from stamens of the male flower must be transferred to the stigma of a female flower. With these separate flowers, hybrids are easily developed and thus many types of begonias are grown.

                begonia fl m&F1
                Female and male begonia flowers. The outer blossoms are female and the two central blooms are male. Photo taken in Amna's garden in May. Photo credit: Kathie Russell.

                Begonias, like ferns, are sometimes prized for their leaf structure and colorations, and the flowers become a bonus. Many gardeners use begonias and ferns together in their garden and patio plantings.

                References:

                • Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.
                • Capon, B. (1990). Botany for gardeners. Portland, OR: Timber Press.


                Meeting Calendar 2013

                May 16

                June 20

                July 11 (2nd Thursday of the month)

                August 15
                Fern Show: August 17-18

                September 19

                October 24 (4th Thursday of the month)

                November 21

                December 19



                Board Meetings
                Room 104, 7:30 pm on Tuesdays, July 2, September 3, November 5, 2013



                San Diego Fern Society Officers for 2013


                President
                Kathie Russell klrkath@yahoo.com
                1st Vice President and Secretary
                Amna Cornett amnacarol@yahoo.com
                2nd Vice President
                open (shared board responsibility)
                Treasurer
                Jay Amshey coastbiomaterials@cox.net
                Board Members:
                Bruce Barry
                Bob Charlton kwyjibo@san.rr.com
                Bill Ganger wganger@sbcglobal.net
                Richard Lujan
                Past President
                Don Callard dcallard@san.rr.com

                Website

                www.sandiegofernsociety.com
                Webmaster: Bob Charlton kwyjibo@san.rr.com

                Membership

                Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                San Diego Fern Society
                2350 Jennifer Ln
                Encinitas CA 92024

                San Diego Fern Society Objects and Purposes

                The San Diego Fern Society was formed
                * to provide a source of information on ferns;
                * to arrange for people to study ferns together;
                * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                The Society aims
                * to encourage all horticultural activities by example, education, exhibits, and donations;
                * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                * to promote and stimulate interest in ferns;
                * to encourage and develop culture of various types and varieties of ferns;
                * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

                Volume XXXVII, Number 5

                APRIL MEETING


                The San Diego Fern Society will meet Thursday, April 18, 2013. The Society will meet at 7:30 pm in Casa del Prado Room 101, Balboa Park.

                For April we will learn about the Artistic Garden. Drawing from presentations at San Diego Botanic Garden (formerly Quail Gardens), field trips of Kathie and Amna around the county and some additional sources, we will view photos and consider ideas for our own gardens. We invite you to share your artistic gardening ideas as well.

                There are many resources in San Diego County including public gardens, private gardens, excellent plant nurseries and many local artists. We have art and plant groups which meet in Balboa Park Casa del Prado. Spanish Village, the Botanical Building, the Japanese Friendship Garden and several art museums are nearby. With this program we hope to be inspired to enjoy our ferns in an environment of beauty.

                Plant Table for April

                The late Bob Halley grew many types of ferns, and divided and shared his plants with others. He planted a
                Davallia stenolepis which has been growing well in its container for years, but now is ready to be divided. Bring $2 cash to the April meeting for a start of this lovely fern.

                San Diego County Fair 2013

                The Del Mar Fair will be open Saturday, June 8 through Thursday July 4, except Mondays during June. The Fern Society again has reserved a container exhibit and a medium landscape exhibit. Our landscape garden is scheduled to be in the same location as last year, but the containers will be in a more prominent middle area of the garden show. Both will feature ferns appropriate for San Diego area gardens.

                Our county fair effort has both financial and promotional value to the San Diego Fern Society. We will need landscape design ideas and implementation from our members. By participating in our displays, you can show your plants to the thousands of people who come to the fair.

                The Flower and Garden Show has taken the theme "Arcades of Color" to complement the 2013 fair theme, "Game On." Bruce Barry attended the exhibitors meeting and we are ready to showcase our creativity with ferns as we build an artistic garden.

                The Fern Society expects to prepare and arrange the larger features in the exhibits in advance and then set in the plants on Saturday June 1. Reserve these dates and plan to support our outreach at the fair. Groom your plants in advance and prepare a name tag with plant name and your name (to be hidden in the container) so your plants can come back to you after the fair.

                We will need help with watering and maintaining the exhibits during the month-long fair. Take down of exhibits is July 5, and you will need to pick up your plants or make arrangements for their return.
                NEWS AND NOTES

                Memberships

                A few members need to renew for 2013. $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2013. See Jay Amshey at the April meeting or mail to the address on page 6.

                Refreshments

                In April, refreshments will be provided by Walt Meier and Kathie Russell. There will be a clipboard at the meeting where you can sign up to bring goodies for the coming months of 2013.

                Report on March Meeting

                The San Diego Fern Society met on the fourth Thursday of the month, March 28, to accommodate a show for another club. The membership voted to approve the budget for 2013 for the Society, which was published in the March
                Fern World.

                We then enjoyed a photo tour of the Anza-Borrego desert. In the Blair Valley area a couple of ferns were prevalent. These are small plants, growing next to or under rocks. They are tentatively identified as
                Cheilanthes parryi, the grayish, fuzzy fern, and Notholaena californica, which was a bright green color after the August rainfall. The photos show amazing plant survival, with ferns flourishing in the summer heat of 110 degrees. Wildflowers were blooming in August after rain. In the desert, Bob Charlton showed us some striking examples of desert art.

                Report on March Gardener's Sale

                The sale added over $100 to the Society treasury from surplus garden items donated or consigned. From the variety of plants, as well as plant stands, books and more, our attendees took home some "found" garden treasures from the March gardener's sale at budget prices. Creative reuse of garden items is a benefit to all.

                Growing Selaginellaceae

                Selaginella is a diverse genus of spore-forming plants with more than 700 species, mostly tropical. In various areas of the US, hardy species can be grown in gardens, especially temperate woodlands. The ornamental tropical and sub-tropical species need warmth, moist soil and humidity. Many of these small-formed plants have similar appearance and are easily misidentified in the horticultural trade.

                Selaginellas have three basic growth forms. Some species grow in mats, resembling mosses. They have a creeping or low-trailing growth habit. Selaginella apoda, S. uncinata and S. kraussiana are sometimes available for sale. Other Selaginellas have a frond growth appearance, such as S. braunii. Then there are plants with rosette growth which curl up into a ball when dry, such as S. lepidophyla, known as the resurrection plant.

                One species of
                Selaginella is often available in the nursery trade, including San Diego area nurseries. Selaginella kraussiana has been seen at the San Diego Fern Show and plant sales. There are several attractive cultivars with various shapes and colors of foliage. A native of Africa, it has naturalized in the US and elsewhere. Greenhouse cultivation is probably best in San Diego but plants have locally naturalized in coastal central California as well as many areas along the East Coast.

                Some varieties of
                Selaginella are frequently found in local nurseries. Additionally, try
                Black Jungle Terrarium Supply, Turners Falls MA (blackjungleterrariumsupply.com);
                Casa Flora, Dallas TX (casaflora.com);
                Plant Delights Nursery, Raleigh NC (plantdelights.com).

                Reference:
                Hoshizaki, B. and Moran, R. (2001).
                Fern grower's manual. Portland, OR: Timber Press.



                Selaginella kraussiana cultivars are available from Black Jungle Terrarium Supply. (Above)
                S. kraussiana aurea. (Below) S. kraussiana 'gold tips' showing pale gold new growth. Photo credits: www.blackjungleterrariumsupply.com.


                Selaginella apoda, native to the eastern US, grows just an inch tall. Available from Plant Delights. Photo credit: www.plantdelights.com.

                Selaginella stauntoniana, native to China, grows about 8 inches tall and is also available from Plant Delights. Photo credit: www.plantdelights.com.

                Selaginellas in the Desert

                Selaginella eremophila is found in the Anza-Borrego desert. It is low growing, somewhat flat, with much branched stems about four inches long.

                Reference:
                Grillos, S. (1966).
                Ferns and fern allies of California. Berkeley, CA: University of California Press.

                Selaginella eremophila sm1
                Selaginella eremophila growing in rocks in Blair Valley, Anza-Borrego State Park. Plants in the park are protected. Photo taken in the month of March. Photo credit: Kathie Russell.
                Shade Gardens

                George Schenk considers shade gardening to be an art, a science and a delight. This former nurseryman developed his technique on his own property by transforming a "visual menace" of north facing brick wall and concrete into a green room, a retreat for rest and recreation.

                George starts with the soil. In his situation he needed to dig out the hard bed, establish good drainage, then fill with soil containing compost. He recommends six inches of good soil, at least half organic matter, for most plantings and deeper for planting trees. Good soil and drainage are critical to a healthy shade garden.

                The type of shade he recommends for a garden is often called dappled share. Very deep shade limits the plants which will grow. If you have visited dense forests, both tropical and temperate, you may notice that ferns are most abundant at the edges of the forest or in partially clear areas. Dense trees which darken the garden should be carefully pruned to open the area up to light. On the other hand, too many hours of sun, especially mid day, will not encourage a healthy shade garden. Shade from lath structures is very helpful in growing this type of garden in hot, arid climates.

                Having gardened in Seattle, in New Zealand and in the Philippines, George Schenk has experience with varied climates and their appropriate plants. He has grown a couple hundred different kinds of ferns. His plantings seem to follow of pattern of always using ferns with other non-fern plants. He contributed numerous photos to
                Encyclopedia of Garden Ferns as well as writing sections of this book, so you can see his work (pp. 61,201,272,273, and more).

                Planting a shade garden requires an artistic touch. Plants should have varied leaf forms and texture, and differing heights. For some of us, choosing the ferns we want comes first, then planting background and companion plants. However your garden may feature camellias, begonias, orchids and other of your favorite shade plants. You will want to consider the lighting, soil type, fertilization and water needs to encourage healthy groups of plants. Allow a space for yourself, a retreat with a chair or two for enjoying your little paradise.

                Over time, pruning and removing or adding plants will most likely be necessary. Mulch may help with maintenance. If you enjoy your space, George says the chores will not seem like work and your shade garden will be a delight.

                References:




                  A nipponicum1

                  frond of pictum1
                  (Above) Athyrium niponicum 'pictum' in a shady area, Washington Arboretum, Seattle WA. (Below) Grown in partial sun in La Mesa. Notice that frond color is not as bright as plant grown in shade. This perennial fern can be used in gardens in both temperate and sub-tropical climates, coming back each spring for many years. Photo credits: Kathie Russell.

                  Athyrium niponicum 'pictum applecourt', available from Casa Flora. Note the crested frond tips. Photo credit: www.casaflora.com.
                  Another popular cultivar is 'ghost', with predominantly gray fronds, recommended by Missouri Botanic Garden. See photos at www.missouribotanicalgarden.org/

                  W Anderson 2013 sm1
                  The shade garden needs a focus such as a Platycerium or possibly a tree fern like Dicksonia antarctica, available at Walter Anderson Nursery, San Diego. Before planting an area, consider the expected height and width of the ferns. Some ferns may be purchased while small for modest cost, but have large size potential. Photo credit: Kathie Russell.

                  w fimbriata sm1
                  Another large fern which will dominate a shade garden is Woodwardia fimbriata. This California native needs moisture all year. Shown here in its natural state in a deeply shaded redwood forest, it can be groomed as a tidy landscape plant. A division from Robin Halley's plant, kept in a large container, was in the Fern Society landscape exhibit at the 2012 San Diego County Fair. Gallon size plants are available at Walter Anderson. Photo credit: Rick Russell.

                  asplenium1
                  Hanging from a tree or structure, this Asplenium cultivar covered with bulbils would make a dramatic statement. Available at Cordova Gardens, Encinitas. Photo credit: Kathie Russell.

                  Meeting Calendar 2013

                  April 18
                  May 16
                  June 20
                  July 11 (2nd Thursday of the month)

                  August 15
                  Fern Show: August 17-18
                  September 19
                  October 24 (4th Thursday of the month)
                  November 21
                  December 19

                  Board Meetings
                  Room 104, 7:30 pm on Tuesdays May 7, July 2, September 3, November 5


                  San Diego Fern Society Officers for 2013


                  President
                  Kathie Russell klrkath@yahoo.com

                  1st Vice President and Secretary
                  Amna Cornett amnacarol@yahoo.com

                  2nd Vice President
                  open (shared board responsibility)

                  Treasurer
                  Jay Amshey coastbiomaterials@cox.net

                  Board Members:
                  Bruce Barry
                  Bob Charlton kwyjibo@san.rr.com
                  Bill Ganger wganger@sbcglobal.net
                  Richard Lujan
                  Bill Mous wim54321@gmail.com

                  Past President
                  Don Callard dcallard@san.rr.com

                  Website

                  www.sandiegofernsociety.com
                  Webmaster: Bob Charlton kwyjibo@san.rr.com

                  Membership

                  Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                  San Diego Fern Society
                  2350 Jennifer Ln
                  Encinitas CA 92024




                  San Diego Fern Society Objects and Purposes

                  The San Diego Fern Society was formed
                  * to provide a source of information on ferns;
                  * to arrange for people to study ferns together;
                  * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                  The Society aims
                  *
                  to encourage all horticultural activities by example, education, exhibits, and donations;
                  * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                  * to promote and stimulate interest in ferns;
                  * to encourage and develop culture of various types and varieties of ferns;
                  * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


                  Volume XXXVII, Number 4

                  MARCH MEETING

                  The March meeting will be on the fourth Thursday of the month.

                  The San Diego Fern Society will meet Thursday, March 28, 2013. The Society will meet at 7:30pm in Casa del Prado Room 101, Balboa Park.

                  For March we will have the continuation of photos of San Diego's desert ferns and habitat. Early spring months are excellent times to visit the Anza-Borrego desert. Several ferns grow in San Diego County deserts, as well as an interesting variety of other botanical wonders. Bob Charlton will share his explorations using his newly reconditioned computer.

                  Annual Budget

                  At the March meeting members will vote on the Fern Society Budget for 2013, presented by the board to the membership and published on page 3.

                  Spring Gardener's Sale this Month

                  Bring a little cash to enjoy the sale following our March program. This is our opportunity to creatively reuse the gardening items many of us collect. These gardening treasures are too good to throw out, but we no longer need these tools, decorative plant containers, aquariums, yard art and gardening books.

                  This sale provides a great opportunity to buy and sell plants between Fern Society members. You may donate some ferns and specialty plants to the sale, or sell them on consignment. As always, make sure any plants you bring are in clean containers or mounted or bagged, trimmed and free of pests, and labeled.

                  Also, you may either donate to the Fern Society, or sell on consignment any of these: decorative, usable containers
                  (no plastic nursery pots)
                  terrarium containers, aquariums
                  small water features
                  tools in good condition
                  gardening books
                  small statuary or other garden art
                  plant stands
                  ferns and specialty plants
                  Please note: no pesticides or toxic substances are allowed.

                  Sorry, the Fern Society is unable to accept credit cards for your purchases.

                  Unsold items must go home with the seller. The Fern Society has no extra storage space in Balboa Park.

                  Consignment sales policy:
                  Plants and sale items shall be clearly priced; two-thirds of sales price will go the seller and one-third to the San Diego Fern Society. A correct plant name tag is desirable. Vendor shall provide an inventory list stating seller name, number and type of plants or other gardening items for sale and their retail price. To sell consignment items, check your list and sale items in with a board member in Room 101 at 7 pm, and check out at the end of the sale.


                  NEWS AND NOTES
                  Memberships

                  $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2013. See Jay Amshey or mail to the address on page 6.

                  Refreshments

                  February refreshments will be provided by Nancy Hoyt, Amna Cornett and Bill Mous. We will have a clipboard at the meeting where you can sign up to bring goodies for the coming 2013 meetings.

                  Sad News

                  Mickey Sundstrom, a long time member of the San Diego Fern Society, died recently. Mickey volunteered with our group for many years, with sales and setup at our annual Fern Show, hosting refreshments for meetings, and in countless other ways. Our thoughts are with Millie, Frank and family.

                  Report on February Meeting

                  The San Diego Fern Society met on February 21. We began our photo tour of the Anza-Borrego desert but were cut short by computer issues. We had a couple of xeric ferns for show and tell, and also looked at the resources in our library on San Diego County ferns and California ferns. This month, March, we will have the completion of this program.

                  Meaning of the word xeric

                  Plant names and many botanical terms come from Latin, but this one is from Greek. The prefix
                  xero- means dry, and phyll relates to leaves. Thus xeric means deficient in moisture, xerophyllus means with dry leaves. A xerophyte is a plant adapted to a dry environment. It is common to refer to xeric ferns or xerophytic ferns as those which grow in deserts or relatively dry environments. The amount of water needed varies, as does the season of rainfall.

                  Local Selaginellas

                  Selaginellas are low growing moss-like terrestrial plants. In the past they were categorized as fern allies, but that term is no longer used in botany. They are not ferns but reproduce by spores. About eleven species are found in California, and four species are known from San Diego County.


                  Selaginella eremophila is found in Anza-Borrego desert. It is low growing, somewhat flat, with much branched stems about four inches long. S. cinerascens is common on the coastal plains areas such as Camp Pendleton, Del Mar and Point Loma. S. bigelovii is common in the hills and dry rocky slopes of western San Diego County. The stems grow upward and may be eight inches long. S. asprella grows in the mountain areas of San Diego County and southern California.

                  sel smaller1
                  Selaginella bigelovii growing on rocks with Cheilanthes newberryi in Mission Trails Park, San Diego. Photo credit: Kathie Russell.

                  References:

                    INCOME

                    Advertising 0.00
                    Book sales 100.00
                    Donations 600.00
                    Dues 600.00
                    Hort. material 60.00
                    Interest income 0.00
                    Merchandise 0.00
                    Name badges 0.00
                    Other not-tax income 0.00
                    Party income 100.00
                    Plant sales 300.00
                    Plant table income 300.00
                    Prizes & Awards 1,350.00
                    Show income:
                    Plant sale 2,000.00
                    TOTAL Show Income 2,000.00

                    TOTAL INCOME 5,410.00

                    show plant 2012 sm
                    P viechii1


                    Views from the San Diego Fern Society Show and Sale 2012. Selling ferns at the show provides some income for the society as well as introducing the public to the pleasures of growing ferns. Photo credit: Kathie Russell.


                    EXPENSES

                    Assn. Dues:
                    Am. Fern Soc. 0.00
                    Quail Botanical 0.00
                    SD Botanical 75.00
                    SD Floral 40.00
                    SD Horticultural Society 0.00
                    TOTAL Assn. Dues 115.00
                    Bank charge 180.00
                    Books for sale 100.00
                    Domain name 0.00
                    Exhibit expenses 300.00
                    Fees 20.00
                    Fern World:
                    Other costs 50.00
                    Postage 350.00
                    Printing 615.00
                    TOTAL Fern World 1,015.00
                    Gifts & Honors 100.00
                    Hort. supplies 50.00
                    Library:
                    Books 50.00
                    Supplies 30.00
                    TOTAL Library 80.00
                    Marketing 0.00
                    Meeting plant cost 300.00
                    Name badge cost 0.00
                    Off Budget 0.00
                    Operating expense 0.00
                    Party costs 80.00
                    Program 400.00
                    Refreshment 30.00
                    Sale plants 150.00
                    Show expense:
                    Misc. expense 250.00
                    Plants 1,200.00
                    PR Costs 50.00
                    Trophies etc. 255.00
                    TOTAL Show Expense 1,755.00
                    Storage rental 450.00
                    Tax:
                    State 185.00
                    TOTAL Tax 185.00
                    Web page 100.00

                    TOTAL EXPENSES 5,410.00

                    OVERALL TOTAL 0.00



                    Dry Land Ferns of Southern Africa

                    Some areas of South Africa have a Mediterranean climate similar to San Diego. Many plants that we commonly grow here have origins in Africa. Southern Africa also has deserts and semi-deserts, and a few ferns are found in this dry habitat.

                    The Great Karoo, in Cape Province, South Africa, is an inland desert with mountains to the south and east. In the southern areas of this desert, seasonal winter rains support xeric ferns. The genus names should be familiar by now,
                    Cheilanthes and Pellaea. The ferns are C. contracta, C. parviloba, C. depauperata, C. induta and P. rufa.

                    Another arid area is the Namib Desert of Namibia. Around the desert several ferns can be found growing in granite rocky areas. These include
                    Cheilanthes eckloniana, C. rawsonii, C. hirta, C. marlothii, Pellaea calomelanos and Ceterach cordatum.

                    Ceterach cordatum is widespread in southern Africa. The undersides of fronds are densely covered with pale brown scales. This plant tolerates very arid situations and survives in semi-desert, in dry subtropical woodlands, and scrub and forested areas.

                    Pellaea rufa grows just a few inches tall with purplish green pinnules. Found only in the Cape Province of South Africa, it grows among rocks, usually on the southern shady side, and is considered rare. This arid habitat generally records less than six inches of seasonal rain and from below freezing temperatures to fairly hot. Plants are deciduous during the extended dry season. In contrast, Pellaea calomelanos is common and widespread in southern Africa. It also grows in rocky areas but in both wet and arid climates.

                    About 30 species of
                    Cheilanthes ferns are found in southern Africa. Found only in Cape Province, South Africa, C. depauperata grows to about a foot tall, with undersides of fronds covered with yellowish, sticky hairs. It is considered rare and grows in full sun, in rock crevices or next to boulders on the fringes of the Great Karoo. This plant is thought to better withstand cold, drought and heat extremes than any other fern in southern Africa. The name means starved or impoverished, and the pinnae lobes and pinnules are just a millimeter wide and the frond 6-18 mm across (that is, less than an inch). Cheilanthes depauperata is quite distinct from other species of Cheilanthes.

                    Pellaea_calomelanos001
                    Pellaea calomelanos. wikipedia.org. Public domain.

                    Cheilanthes hirta is widespread in southern Africa and is able to survive a long dry season, when it shrivels in the shelter of rock crevices. Along with C. eckloniana, these are xeric ferns of summer rainfall areas. Cheilanthes marlothii is found among rocks in Namibia in dry woodland, savanna and semi-desert habitats. It turns green with the first rains of summer. C. contracta and C. induta grow in the winter rainfall areas of the Cape. Cheilanthes parviloba is found in the southern Cape as well as Namibia.

                    Cheilanthes rawsonii is another rare desert fern, dried for most of the year. Sporadic winter rains cause the pinnae to unroll and turn green, and new fronds to grow.

                    Reference:
                    Burrows, J. E., & Burrows, S. (1990). Southern African ferns and fern allies. Sandton, South Africa: Frandsen.


                    Where to Purchase Xeric Ferns


                    It can be a challenge to find xeric ferns for sale, as they have limited popularity. Since they are generally small, seasonally green and often hidden away in rock gardens, this is perhaps understandable. However, fern lovers have always sought out the unusual, and ferns with low water needs have definite potential for San Diego growers.

                    We look to native plants for winter/spring growth due to our rainy season. In other parts of the US, there may be better availability in summer. Frequent visits to local independent nurseries, chains and sometimes even big box stores may produce interesting ferns, and please share your shopping secrets with the club.

                    On the internet, a few sources show potential. As noted last month, the University of California Botanical Garden at Berkeley (botanicalgarden.berkeley.edu) has a collection of xerophytic ferns. They may have some for sale in their native plants nursery. Georgia Perimeter College Native Plant Botanical Garden in Decatur GA (depts.gpc.edu/~decbt/) has xeric ferns and expects to propagate and sell them. They recommend these as potential ferns for the southeastern US:
                    Cheilanthes lanosa, called hairy lip fern; C. tomentosa, woolly lip fern; C. alabamensis, Alabama lip fern; C. lindheimeri, white colt lip fern; C. myriophyll, Argentine lip fern; C. argentea, desert lip fern; Pellaea ovata, Texas cliff brake fern; Pellaea wrightiana, Wright's cliff brake fern; Astrolepis sinuata, wavy cloak fern. Note that some of these plants grow naturally in the Southwest.

                    Foliage Gardens of Bellevue WA (foliagegardens.com) carries Cheilanthes lanosa. Fancy Fronds Nursery, Goldbar WA (fancyfronds.com) lists Polypodium calirhiza 'Sarah Lyman', common name plumose California hybrid polypody, a natural hybrid of two native California ferns.

                    Plant Delights Nursery in Raleigh NC (plantdelights.com) has several Cheilanthes listed for sale: C. argentea, silver cloak fern from China; C. distans, bristly cloak fern from New Zealand; C. eckloniana 'Naude's Neck', called Ecklon's lip fern, from South Africa; C. lanosa, hairy lip fern; C. quadripinnata, four-pinnate leaf African fern from South Africa.

                    Crow Dog Native Ferns, Pickens SC (crowdognativeferns.com) carries Chelianthes lanosa, C. tomentosa and Pellaea atropurpurea. Fern Ridge Farms, Canton GA (fernridgefarms.com) lists Cheilanthes lanosa, C. argentea, Cheilanthes sinuata (alternate name Astrolepis sinuata) and Woodwardia virginiana. Glasshouse Works, Stewart OH (glasshouseworks.com) does not currently show any xerics available but is a source for many types of ferns and selaginellas. Casa Flora, Dallas TX (casaflora.com) lists Astrolepis sinuata, Cheilanthes tomentosa, C. lanosa, C. argentea, Woodwardia virginica, W. orientalis and W. unigemmata.

                    Pasted Graphic
                    Plants of Cheilanthes eckloniana are offered for sale by Plant Delights Nursery. http://www.plantdelights.com/Cheilanthes-eckloniana-Naudes-Neck-Ecklons-Lip-Fern/productinfo/8805/#.UT6X3BnlW2w



                    Meeting Calendar 2013

                    March 28 (4th Thursday of the month)
                    April 18
                    May 16
                    June 20
                    July 11 (2nd Thursday of the month)

                    August 15
                    Fern Show: August 17-18
                    September 19
                    October 24 (4th Thursday of the month)
                    November 21
                    December 19

                    Board Meetings
                    Room 104, 7:30 pm on Tuesdays May 7, July 2, September 3, November 5


                    San Diego Fern Society Officers for 2013


                    President
                    Kathie Russell klrkath@yahoo.com
                    1st Vice President and Secretary
                    Amna Cornett amnacarol@yahoo.com
                    2nd Vice President
                    open (shared board responsibility)
                    Treasurer
                    Jay Amshey coastbiomaterials@cox.net
                    Board Members:
                    Bruce Barry
                    Bob Charlton kwyjibo@san.rr.com
                    Bill Ganger wganger@sbcglobal.net
                    Richard Lujan
                    Bill Mous wim54321@gmail.com
                    Past President
                    Don Callard dcallard@san.rr.com

                    Website

                    www.sandiegofernsociety.com
                    Webmaster: Bob Charlton kwyjibo@san.rr.com

                    Membership

                    Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:

                    San Diego Fern Society
                    2350 Jennifer Ln
                    Encinitas CA 92024



                    San Diego Fern Society Objects and Purposes

                    The San Diego Fern Society was formed
                    * to provide a source of information on ferns;
                    * to arrange for people to study ferns together;
                    * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                    The Society aims

                    * to encourage all horticultural activities by example, education, exhibits, and donations;
                    * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                    * to promote and stimulate interest in ferns;
                    * to encourage and develop culture of various types and varieties of ferns;
                    * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

                    Volume XXXVII, Number 3

                    FEBRUARY MEETING

                    The February meeting of the San Diego Fern Society will be held Thursday, February 21, 2013. The Society will meet at 7:30pm in Casa del Prado Room 101, Balboa Park.

                    February and early spring months are excellent times to visit the Anza-Borrego Desert. Several ferns grow in San Diego County deserts, as well as an interesting variety of other botanical wonders. You have the opportunity to learn more this month, with photos and commentary.

                    NEWS AND NOTES

                    Memberships

                    $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2013. See Bill Ganger or mail to the address on page 6.

                    Refreshments

                    February refreshments will be provided by Paula Couturier and Kathy Thomson. We will have a clipboard at the February meeting where you can sign up to bring goodies for the coming 2013 meetings.

                    Report on January Meeting

                    The San Diego Fern Society held its annual
                    Platycerium night on January 17. This year, the ever-popular staghorn ferns were the focus of a hands-on program. Those attending were treated to a demonstration by Don Callard and then had the opportunity to mount a staghorn pup to take home. Don along with other Platycerium growers assisted those working with staghorn pups, and also addressed questions and provided horticultural tips for San Diego gardeners of staghorns.

                    Looking Ahead

                    March means spring is on its way, and that is a season for new gardening adventures including new plants. We encourage you to spring clean your useful but no longer needed tools and garden items to sell to others. Your ferns and specialty plants as well as repurposed tools, decorative plant containers, aquariums, plant stands, yard art and gardening books may be sold on consignment or donated for the Spring Gardener's Sale following the March 28 meeting.

                    Take time to clean up your extra ferns and gardening items to prepare for this yard sale. Someone else is sure to enjoy your bonus plants, and then you will make room in your growing area for something you always wanted. As always, make certain that ferns are free of pests before this sale.

                    Xeric Ferns

                    Since everyone knows that ferns need water, the concept of drought-adapted ferns can be a bit hard to grasp. In San Diego County we have several species of ferns growing in the desert. However in our gardens the rule might be stated: no water, no ferns. The popularity of water saving in the garden and of using drought tolerant plants does not seem compatible with ferns.

                    The xeric ferns, also called xerophytic ferns, do not directly give us the tropical paradise style of garden. San Diego gardeners want to retain their
                    Platycerium ferns, tree ferns and various beautiful tropical and subtropical fern varieties. Comments from Fern Show guests indicate that ferns enhance a peaceful and serene environment. The Fern Society will continue to study all types of ferns at our meetings.

                    If you grow xeric ferns, you may not gain immediate attention from your friends but you certainly will impress the members of the San Diego Fern Society. The planting and care of xeric ferns is generally different from other ferns. It is important to research these plants and their environments. Most of the ferns in the desert have roots stretching back under rocks, which enhances collection of needed moisture. Often these plants are summer dormant when there is no summer rainfall. Some have fronds which curl up in dry times and open out again with moisture. Desert areas sometimes have late summer rainfall to complicate the watering issues.

                    Sue Olsen recounts her amazement at seeing xeric ferns growing in a remote Arizona dry gulch. Although she resides in the ferny habitat of western Washington State, she chooses to grow
                    Cheilanthes ferns, using a mix of well-washed pumice, bark and granite grit with a little loamy compost. She locates the containers where air circulates, in full sun but under eaves to protect from excess rain in winter. In summer the plants are protected with light shade and receive water as needed.

                    The University of California Botanical Garden at Berkeley has a collection of xerophytic ferns. The informational website explains that these ferns do not have succulent, water-retaining leaves, roots or stems like cactuses. Some species have waxy coatings on their leaves that reduce water loss during prolonged dry spells. Others have silvery scales, which protect fronds and deflect harsh sunlight. Naturally, some ferns go dormant during periods of prolonged drought. Such plants may survive up to five years in this dormant state.

                    The northern California Berkeley garden, according to website information, has found xeric ferns to be quite adaptable and suggests that they have potential for Bay Area landscapes. For use in the garden they recommend porous, well-drained soil, with bright light and good air circulation.

                    Untitled-1
                    Kirkpatrick, R. (2007, Winter). Dessication-Tolerant Ferns? University of California Botanical Garden Newsletter, 32(1&2), 1-2. Retrieved February 6, 2013. Photos: Ruth Kirkpatrick.

                    Fern Grower's Manual by Hoshizaki and Moran informs us that most ferns in the genera Actiniopteris, Astrolepis, Cheilanthes, Doryopteris, Notholaena, Pellaea and Pityrogramma can be considered xerophytic. Some of these ferns are considered challenging to grow. The authors suggest planting xeric ferns in bright but indirect sunlight, or up to full sun in coastal areas. Soil should drain well and may be kept lightly moist. A simple mix suggestion is one part leaf mold or peat moss and two parts gravelly sand. The plant crown should be slightly above soil level.

                    Xeric ferns are a special treasure of rock gardens. All of the
                    Astrolepis, Cheilanthes, Pellaea and Pityrogramma ferns are recommended for rock plantings.

                    References:

                      Locating Ferns in Anza-Borrego
                      Using ferns listed for Anza-Borrego as compiled by W.P. Armstrong between 1970 and 2003; augmented by Tom Chester. Specimen record locations from (2007) Jepson Online Interchange for California Floristics. http://ucjeps.berkeley.edu/jeps/ Retrieved February 11, 2013. These place names are for Anza-Borrego.

                      Adiantum capillus-veneris (Venus-Hair fern) Palm Canyon, Hellhole Canyon, upper Sheep Canyon.
                      Cheilanthes covillei (Bead fern) Hellhole Canyon, Oriflamme Canyon, Palm Canyon, upper Blair Valley, Sentenac Canyon.
                      C. parryi (Cottony Lipfern) Palm Canyon, Mountain Palm Springs, Canebrake, upper Blair Valley, Yaqui Wells, wash near Split Rock.
                      C. viscida (Viscid Lipfern) upper Blair Valley, Palm Canyon, Mountain Springs, Sentenac Canyon, Hellhole Canyon.
                      Pellaea mucronata (Bird's Foot fern) Palm Canyon.
                      Pentagramma triangularis ssp. maxonii (Goldenback fern) Oriflamme Canyon.
                      Pentagramma triangularis ssp. triangularis (Goldenback fern) Palm Canyon.
                      Notholaena californica (California Cloak fern) Yaqui Wells, Vallecito Valley, Palm Canyon.

                      Dividing Ferns

                      Dividing a fern can provide a few good-sized plants much more quickly than growing from spore. For many desirable sterile cultivars, dividing is the only method recommended for propagating these plants.

                      Suggested hardy ferns for division include
                      Dryopteris spp., sometimes known as wood ferns, and Matteuccia struthiopteris, the ostrich fern, both of which produce offshoots that can be separated from the main stem. Microlepia strigosa, the lace fern, and Nephrolepis ssp. are examples of subtropical species that forms clumps with many growing points and can be divided.

                      Ferns are best divided in spring or early summer while actively growing. For ferns dormant over winter, the earlier in the season you divide the plant, the longer the new division has to stabilize. Ferns that form clumps or have stems that branch above or below ground are suggested for division. Appropriate plants to divide include overgrown ferns which have secondary growing points or offshoots in the rhizome or roots. Secondary crowns of growth may be divided off to produce a new plant. Larger clumps or rhizome pieces are more likely to grow successfully than small ones. Clumps of
                      Adiantum should be four inches or more across for easiest success.

                      Before you begin dividing your fern, plan and prepare a garden location for the divisions. Choose areas of shade or partial shade away from drying winds. Prepare your garden planting area with humus-rich soil by including peat moss or leaf mold. Check the drainage of garden areas before planting ferns. Add perlite or coarse sand to improve drainage of San Diego area soils. Consider planting in raised beds or containers which can be prepared with soil mix to provide adequate drainage. Small divisions especially may be easier to grow in containers, then planted into the garden later.

                      Dig up the entire plant from the ground, or remove from its container. You may choose to divide plants with a small sharp spade or a repurposed kitchen tool such as a disused knife. Forks can be inserted at the division line to gently separate the roots. A typical division consists of a portion of rhizome with one or more growing points and the attached roots and leaves. Although healthy roots or leaves are not absolutely necessary, fern divisions establish much more quickly if they are present. Large divisions give the best results, and more growing points in a division should produce a full plant more quickly. For small ferns, the rhizome length in a division should be at least two inches. For larger ferns, four or more inches are suggested. Cut only the stem and avoid cutting the roots.

                      Trim away dead or broken stems, fronds, and roots and reduce the number of fronds for a large division. As recently demonstrated at the San Diego Fern Society meeting on staghorn ferns, the growing point must be protected. Plant the division into its location or keep roots moist if you are delayed. The growing point should be level with the soil surface. Use care while placing roots and soil, gently packing the soil. Replant the remaining divisions in the same way. Some gardeners like to try both a planting into the ground and another one in a container.

                      Immediately after planting, water the fern thoroughly. Use a watering can with a fine sprinkler head to prevent washing away the soil. If the plant is not secure, straighten and support it with a rock or stake. Protect the new divisions from heat and drying winds. Keep the container or ground area around the new plant moist but never soaking wet. Often fronds wilt at first, and they can be trimmed off if they do not recover. When new fronds show, the planting is considered a success. However, continue to care for the new divisions carefully.

                      References:

                        Growing Xeric Ferns in San Diego
                        Adapted from comments of David Schwartz, Bakersfield CA.

                        xeric 3
                        Cheilanthes bonariensis

                        For the plants pictured above and next page, and most xerics, a well draining mix with lots of sun are key. Water regularly, but not to excess (soil should be dry to slightly damp/moist between waterings). In the ground, planting at the base of half submerged rocks seems to help give the roots a cool, moist environment for growth. In pots, the excellent drainage allows for more frequent moisture. San Diego is a perfect climate for growing xeric ferns; much more so than my conditions in Bakersfield.

                        A general note on growing xerics: California xerics seem to be more difficult than most others I've grown, especially compared to those from the Arizona/New Mexico/Texas area. It is my belief that the reason lies in our dry summers, versus the monsoonal summers found in the Arizona to Texas desert areas. California natives seem to dislike water when the temperature gets much above the middle nineties. Ferns I grow from the Southwest do much better with summer water, especially with our hard summers here in Bakersfield.

                        San Diego, with much milder summers, doesn't seem to have quite the issue. That observation seems to be born out watching how the same plants did in my garden versus the Halley garden in La Jolla. Our soils were comparable, but he had better luck with California natives than did I, and some were xeric ferns from the foothills and mountains here in Kern County.

                        xeric 1
                        Mildella fallax

                        These plants were photographed at the Halley garden in coastal San Diego. All photos: Kathie Russell.

                        xeric 2
                        Cheilanthes tomentosa

                        Rock Gardening with Ferns

                        Reginald Kaye of England specialized in hardy ferns and also alpine plants. The British grew both types of plants in rock gardens and rock walls. These planting locations give excellent drainage and somewhat dry conditions. In his book, Kaye provides instruction in preparing a rock garden specifically for ferns. He recommends a two foot deep base, where all soil is removed and only coarse rock drainage material is used. He suggests a few inches of material such as leaves or fibrous peat over this to separate the planting mix from the gravelly base. The soil on top should be a light spongy combination of soil with leaf mold, peat, broken stone and sand, and must drain well. Form the soil into irregular mounds.

                        Kaye advises making a garden picture with the rock. A few large and interesting pieces should be saved for the higher dominant feature in the design. He recommends placing the rocks firmly, setting them into the mounds at the same angle throughout the garden to appear as a rocky outcrop. Rocks with stratification lines should be placed uniformly. Generally he suggests planting the larger side down. An irregular pattern of terraces provides places for plantings. The dominate rock features should be in higher position.

                        This type of planting will have a variety of places for ferns. Consider the sunlight, heat and water plans when locating ferns. Kaye specifically recommends some of the
                        Cheilanthes as useful in the rock garden.

                        Reg Kaye reminisces regarding his grandfather's rock garden, always shady and green with
                        Polystichums. He found this a pleasant retreat, even in England's winter.
                        It is interesting to remember that Reginald Kaye spoke to the San Diego Fern Society some years ago.

                        Reference:
                        Kaye, R. (1968). Hardy ferns. London: Faber.

                        Meeting Calendar 2013
                        February 21
                        March 28 (4th Thursday of the month)
                        April 18
                        May 16
                        June 20
                        July 11 (2nd Thursday of the month)
                        August 15
                        Fern Show: August 17-18
                        September 19
                        October 24 (4th Thursday of the month)
                        November 21
                        December 19

                        Board Meetings
                        Room 104, 7:30 pm on Tuesdays March 5, May 7, July 2, September 3, November 5


                        San Diego Fern Society Officers for 2013


                        President
                        Kathie Russell klrkath@yahoo.com
                        1st Vice President and Secretary
                        Amna Cornett amnacarol@yahoo.com
                        2nd Vice President
                        open (shared board responsibility)
                        Treasurer
                        Jay Amshey coastbiomaterias@cox.net

                        Board Members:
                        Bruce Barry
                        Bob Charlton kwyjibo@san.rr.com
                        Bill Ganger wganger@sbcglobal.net
                        Richard Lujan
                        Bill Mous wim54321@gmail.com

                        Past President
                        Don Callard dcallard@san.rr.com

                        Website

                        www.sandiegofernsociety.com
                        Webmaster: Bob Charlton kwyjibo@san.rr.com

                        Membership

                        Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:

                        San Diego Fern Society
                        2829 30
                        th Street
                        San Diego, CA 92104

                        San Diego Fern Society Objects and Purposes

                        The San Diego Fern Society was formed
                        * to provide a source of information on ferns;
                        * to arrange for people to study ferns together;
                        * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                        The Society aims
                        * to encourage all horticultural activities by example, education, exhibits, and donations;
                        * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                        * to promote and stimulate interest in ferns;
                        * to encourage and develop culture of various types and varieties of ferns;
                        * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

                        Volume XXXVII, Number 2

                        JANUARY FERN SOCIETY MEETING

                        The January meeting of the San Diego Fern Society will be held Thursday, January 17, 2013. The Society will meet at 7:30pm in Casa del Prado Room 101, Balboa Park.

                        January is our annual
                        Platycerium night. The ever-popular staghorn ferns are the focus of a hand-on program. Each person attending will have the opportunity to mount a pup and begin or increase his/her personal staghorn collection. Bring your own pup, or purchase one from the club at modest cost. All supplies will be provided by the Society. Bring your questions also, as experienced Platycerium hobbyist growers will available.

                        NEWS AND NOTES
                        Memberships

                        $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2013. See Bill Ganger or mail to the address on page 6.

                        Report on December Annual Meeting

                        The San Diego Fern Society held its annual meeting and dinner on December 20, 2012 in Casa del Prado Room 101, Balboa Park. Ham, turkey and assorted delicious dishes and desserts were shared by all. Following dinner, elections were held and the officers installed. (A listing of 2013 officers is found on page 6.) The meeting concluded with a spirited singing of Sherry Worthen’s version of “Deck the Halls With Boughs of Ferns.” Each family attending took home a beautiful six-inch fern to end the year 2012.

                        Looking Ahead

                        February and early spring months are excellent times to visit Anza Borrego Desert. Several ferns grow in San Diego County deserts, as well as an interesting variety of botanical wonders. Learn more at our meeting February 21.

                        March means spring is on its way, and that is a season for new gardening adventures including new plants. We encourage you to spring clean your useful but no longer needed tools and garden items to sell to others. Your ferns and specialty plants as well as repurposed tools, decorative plant containers, aquariums, plant stands, yard art and gardening books may be sold on consignment or donated for the Spring Gardener's Sale at the March 28 meeting.

                        A Sampling of Platyceriums from Far Away

                        Africa:
                        Southern and eastern Africa is the home of Platycerium alcicorne, which grows in the usual staghorn form with shield fronds against a tree but fertile fronds growing upward, divided into several fingers. The fertile fronds extend upright as much as two feet, and spore patches are on the frond lobes. In Africa the P. alcicorne can be found in the lowlands of Mozambique and the eastern edge of Zimbabwe. It also grows on Madagascar and the nearby Comoro Islands and Seychelles. Destruction of woodlands has reduced the occurrence of P. alcicorne in Zimbabwe.

                        Platycerium alcicorne grows in deciduous woodland or semi-deciduous forest habitats. As it is found high in tall trees, plants are subject to dry winds and full sunlight. The fronds are covered with fine hairs which may reduce moisture loss. Shield fronds flare outwards at the top, collecting falling leaves and water.

                        Madagascar, off the coast of Africa, is home to several
                        Platyceriums. P. elephantotis, alternately named P. angolense, may be found in areas of east Africa also. This fern needs water but grows naturally in hot tropical locations with brief dry periods.

                        P. madagascariens is a small plant with unique ridged shield fronds. Plants naturally attract ants. This fern is found in moderate elevation wet forests only in central Madagascar. P. quadridichotomum has tall upward shield fronds. It is found in forests of east and north Madagascar, on limestone rocks as well as on trees.

                        Malaysia:
                        Malaysia is dominated by rainforest, and numerous ferns grow in these habitats. Platycerium coronarium is frequently found on old trees in lower elevations. Plants are established in urban areas as well as forests. These ferns are large, and offshoots
                        may circle the tree. Ants, snakes, rats and other small animals often live in the sterile shield fronds, which grow upward to 3 feet tall in a nest shape, collecting organic debris. Branched fertile fronds hang down six feet. Spore lobes about five inches across are attached to the hanging fronds, in a pattern that differs from most other
                        Platyceriums. P. coronarium is widespread from Philippines to Indonesia.

                        drawing1
                        A single frond of Platycerium coronarium showing the location of spore lobe. After Wee (1997), Reference 3.

                        Untitled0
                        Spore lobe of Platycerium coronarium.
                        Royal Botanic Garden Edinburgh. Lindsay, S. & Middleton, D.J. (2012 onwards). Ferns of Thailand, Laos and Cambodia. Photo credit: P. Karaket
                        http://rbg-web2.rbge.org.uk/thaiferns/
                        Platycerium holttumii sometimes grows even larger than P. coronarium. The upward growing shield fronds may extend four feet. Pendulous fertile fronds have spore patches in the areas between the sterile lobes. This plant is found in hills in the north of the Malay Peninsula and northward into Thailand. It is tropical and grows in bright forest locations.

                        Platycerium wallichii is usually a small plant and often grows near the sea in Langkawi, an island of Malaysia, and also areas of Thailand, Burma and India. The shield fronds are bright green during the rainy season and the fertile fronds spread outward in a dusky green with spores under the lobes. Plants become dormant during the dry season and then fertile fronds appear gray and twisted.

                        Untitled11
                        Plants of Platycerium wallichii are offered for sale by Siam Exotica in Thailand. http://www.siamexotica.com/AboutUs.html

                        Platycerium ridleyi is a lowland forest epiphytic fern, often found near rivers in parts of Malaysia, Sumatra and Borneo. A small plant growing high in the trees, it displays shield fronds that are strongly ribbed. The fertile fronds branch upwards rather than hanging down. Like P. coronarium, this fern develops spores on lobes from the fertile frond.

                        References:

                          Getting out to see ferns

                          Recent rains have brought new life, literally, to local native ferns. Almost any wildlands preserve in San Diego County will show some ferns at this time of year. Along the coast you can see Polypodium californicum. Try Torrey Pines State Reserve or the Sunset Cliffs area for beautiful views of the coastline with ferns right in sight. P. californicum also will be found in Mission Trails Regional Park and many open spaces in the county.

                          Pentagramma triangularis grows right in Balboa Park, very near where Fern Society meetings are held. Walk the marked trail located down the hill between Park Boulevard and Florida Drive. Look for this tiny fern low on the hillside in the moist banks and rocky areas along the trail. The variety in our area has a bright white farina (wax-like coating) on the reverse of fronds.

                          Adiantum jordanii can be found in Mission Trails as well as many other areas of the county. This lovely maidenhair, growing in shade on rocky or grassy hillsides, is at its best this time of year.

                          Cheilanthes newberryi, sometimes called cotton fern, Pellaea andromedifolia, commonly known as coffee fern, and Pellaea mucronata, known as bird's foot fern, survive in fairly dry and sunny areas around San Diego County. All can be found in Mission Trails Regional Park.
                          Nearby Platycerium Viewing

                          As most know, staghorn ferns do not grow naturally in San Diego. However this popular fern can be viewed at San Diego Botanic Garden in Encinitas, the Botanical Building in Balboa Park just north of Casa del Prado, and at the San Diego Zoo.


                          platy front of zoo1
                          Several Platycerium species and many cultivars can be grown without the protection of a greenhouse. Remember that the climate areas in San Diego County vary greatly from the coast through inland valleys, mountains and desert. However with appropriate location and care San Diego area residents can enjoy growing many Platyceriums.

                          large platy zoo1

                          platy hands zoo1

                          hand from zoo1
                          All photos on this page show Platyceriums growing outdoors near the entry plaza of San Diego Zoo. These are nicely mounted in large Ficus trees with drip watering, and seem be attractive all year. Photo credit: Kathie Russell.

                          The name Platycerium is derived from Latin, meaning flat horn.


                          Further information on Platyceriums

                          The book generally recommended for learning about staghorn ferns is Platycerium Hobbyist's Handbook, unfortunately out of print. Roy Vail, the author, provided some biographical information to Texas Gulf Coast Fern Society this past year. He noted that he purchased his first Platycerium from a discount store in New Mexico where he then lived.

                          As Roy Vail learned more about the genus, he developed his collection, traveling to see people and plants in Texas, Florida and California. While traveling he got the idea for the book and began writing, spending two years preparing
                          Platycerium Hobbyist's Handbook. He had a greenhouse in New Mexico where he was a biology teacher. Now retired, he built another greenhouse in Arkansas when he relocated there. He currently maintains a small collection of staghorn ferns.
                          Untitled3


                          In addition to his teaching career, for which he was recognized as Outstanding Biology Teacher for New Mexico, Roy has brought focus to the need for conservation. He has made trips to Australia, and notably he traveled to Peru with Lee Moore, the rediscoverer of
                          Platycerium andinum. On a later trip with Keith Rogers they became concerned about protection of P. andinum. Now, the Nature Conservancy has visited the conservation group in Pucacaca, Peru and intends to assist them.

                          References:

                            Fern Grower's Manual contains cultural information on Platyceriums (p.104-106) and extensive species descriptions, photos and drawings (p. 427-437).

                            Hoshizaki, B. and Moran, R. (2001).
                            Fern grower's manual. Portland, OR: Timber Press.

                            Another source of fern information is
                            http://www.rareferns.com/. Charles Alford has grown and sold Platyceriums and other plants for many years in Florida. He ships plants within the US. Using a computer, explore this website for great photos and cultural information on staghorn ferns.

                            Further websites of interest are:
                            http://www.platycerium.co.za/
                            http://www.texasstaghornferns.com/

                            Locally, finding
                            Platyceriums to purchase might lead you to the San Diego Fern Society. Ask questions regarding various species and cultivars at the January meeting. Platyceriums will be sold by growers on consignment with the Society in January and at the August Fern Show.

                            Various interesting cultivars and species of
                            Platyceriums are available at local nurseries. Try Walter Andersen Nursery (locations in San Diego and Poway) and the various independent and chain nurseries throughout southern California.

                            Meeting Calendar 2013
                            January 17
                            February 21
                            March 28 (4th Thursday of the month)
                            April 18
                            May 16
                            June 20
                            July 11
                            August 15
                            Fern Show: August 17-18
                            September 19
                            October 24 (4th Thursday of the month)
                            November 21
                            December 19

                            Board Meetings
                            Room 104, 7:30 pm on Tuesdays March 5, May 7, July 2, September 3, November 5


                            San Diego Fern Society Officers for 2013


                            President
                            Kathie Russell klrkath@yahoo.com

                            1st Vice President and Secretary
                            Amna Cornett amnacarol@yahoo.com

                            2nd Vice President
                            open (shared board responsibility)

                            Treasurer
                            Jay Amshey coastbiomaterias@cox.net

                            Board Members:
                            Bruce Barry
                            Bob Charlton kwyjibo@san.rr.com
                            Bill Ganger wganger@sbcglobal.net
                            Richard Lujan
                            Bill Mous wim54321@gmail.com

                            Past President
                            Don Callard dcallard@san.rr.com

                            Website

                            www.sandiegofernsociety.com
                            Webmaster: Bob Charlton kwyjibo@san.rr.com

                            Membership

                            Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                            San Diego Fern Society
                            2829 30
                            th Street
                            San Diego, CA 92104

                            San Diego Fern Society Objects and Purposes

                            The San Diego Fern Society was formed
                            * to provide a source of information on ferns;
                            * to arrange for people to study ferns together;
                            * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                            The Society aims
                            * to encourage all horticultural activities by example, education, exhibits, and donations;
                            * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                            * to promote and stimulate interest in ferns;
                            * to encourage and develop culture of various types and varieties of ferns;
                            * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


                            Volume XXXVII, Number 1

                            DECEMBER FERN SOCIETY:

                            Annual Meeting and Party

                            The final meeting for 2012 of the San Diego Fern Society will be held on Thursday, December 20. The Fern Society meets in Room
                            101 of Casa del Prado in Balboa Park. This month we start early, at 6:30 pm for the Annual Meeting and Party. Arrive around 6 pm to enjoy the company of fellow ferners and share festivities and the good food. After dinner we will conduct the election followed by the installation of officers.

                            Dinner Party Plans

                            The Fern Society party has the nominal cost of $3 per person. (See Bill Ganger if you have yet to pay). Delicious ham, turkey, dressing and gravy will be provided, as well as beverages, rolls and butter. Please bring a side dish or dessert (with serving utensils) to feed 8-10 people, and we request that you bring your own plates, glasses and silverware. Doors open at 5:30 for set-up and the dinner begins at 6:30. Come around 6 pm to set out food.

                            Membership Renewal Time

                            The annual membership fee is $12 for a single or household membership. This covers your enrollment from January through December 2013. See Bill Ganger or mail to the address on page 6.

                            Report on November Meeting

                            The November meeting of the San Diego Fern Society was a very engaging program on Ferns of Columbia, South America.
                            Our speaker Dylan Hannon is Curator of Conservatory and Tropical Collections at The Huntington Library, Art Collections and Botanical Gardens. Dylan took us by photos to Columbia, showing us tropical and mountain habitat with ferns and other intriguing plants.

                            Dylan works with plants from tropical and Mediterranean biomes. His interests include growing, propagating and distributing rare plants, as well as writing, photography and botany. His travels are part of collection management of the conservatory at Huntington Gardens. A special thanks to Amna Cornett, our 1st vice president, for contacting Dylan and arranging this special program. Also, some members and gardening friends may want to visit the Huntington Gardens together, so let Amna know if you are interested.

                            Nominations for 2013
                            San Diego Fern Society Officers


                            President: Kathie Russell

                            1
                            st Vice President and Secretary: Amna Cornett

                            2
                            nd Vice President: open (shared board responsibility)

                            Treasurer:
                            Jay Amshey

                            Board Members: Bruce Barry, Bob Charlton, Bill Ganger, Richard Lujan, Bill Mous

                            Past President: Don Callard remains on the Board


                            Victorian Times and the Fern Craze

                            The Victorian Era is considered to be the period of British history while Queen Victoria reigned, 1837 to 1901. A time of (mostly) peace, Britain enjoyed improved health and prosperity, and its population doubled. Some customs of the Victorian Era are evident in the US today. Albert, Prince Consort, is popularly credited with bringing the Christmas tree to England. Sending of Christmas cards began in the mid 1800s, and also pulling apart Christmas crackers at dinners and parties. Even the law designating December 26 as a holiday in Britain expanded Christmas from religious observance only into extended times of "conviviality" with family and friends.

                            Interest in natural history became popular among the general public. Hobbies developed, such as birding and collecting butterflies or seashells. Amateurs collected and pressed wild flowers and ferns into albums. With the transportation option of trains, people went out to the countryside and dug up fern plants for their homes. The Victorian Fern Craze caused some areas to be decimated of their ferns. Eventually nurserymen began propagating ferns rather than just collecting them, so many varieties of ferns continued to be available, although much damage was done.

                            Fern designs were popular in decorative items during the Victorian era. A fern motif was common on garden art and furniture, glass and china, and wallpaper. Extensive garden ferneries were established on the estates of the wealthy. Since plants from around the world had arrived in England, glass conservatories were built to house ferns, orange trees and other tropicals.

                            Persons of modest means were able to grow ferns in the Wardian case, a decorative glass enclosed box or dome. Industrial and heating pollution from use of coal was an issue in cities of Britain. The cases protected plants and conserved humidity. The Wardian case was the forerunner of terrarium fern growing.

                            Struthiopteris1

                            Woodcut of
                            Struthiopteris germanica, now known as Matteucia struthiopteris, in the Victorian era book Ferns: British and exotic. Illustration prepared from fronds gathered from the Fernery and Highfield House (Reference 3).

                            The Victorian era was characterized by interest in natural sciences. Britain's exploration and trade around the world brought numbers of ferns to England. Living tropical ferns were grown in glass conservatories and studied. Scientists in research institutions pressed fern specimens for botanic collections, a pattern which continues to the present. Many fern books were printed, showing the extensive study and demand for fern information. The era brought increased options for propagation, culture and hybridization of ferns. These activities of over a hundred years ago established a base for expanded horticultural and botanical study of ferns in our time.

                            Southport Glasshouse
                            The Glasshouse at Botanic Gardens in Southport, England. This structure was demolished during 1930s or 1940s. Photo from the 1920s; Unknown photographer; public domain.

                            References:


                              Color in Ferns for holidays
                              or throughout the year

                              Green is the color of the season, whether in an evergreen tree or a beautiful fern. There is even a hardy fern known as the Christmas fern, Polystichum acrostichoides, in recognition of its green beauty in cold winter landscapes. Although most of us find the many variations of green color to be part of the attraction of ferns, some other colors are also in the fern picture.

                              Silverback fern is the common name of the local native fern,
                              Pentagramma triangularis. The silver white color under the small fronds is the farina, a powdery coating which may reduce moisture loss during dry periods. Fern fronds curl up when rain is insufficient and reveal the silver white underside. P. triangularis subsp. rebmanii, described by local botanists Annette Winner of SD Natural History Museum and Michael Simpson of SDSU, has bits of the white coating on the top surface of the frond as well. P. triangularis subsp. triangularis is known by the name goldback fern, with the farina showing amber to yellow color.


                              Red fir or silvertip fir, Albies magnifica, a California native evergreen in Lassen National Forest. red fir for FW 2
                              Photo credit: Kathie Russell.

                              goldback 2
                              Goldback fern, Pentagramma triangularis subsp. triangularis, Irish Hills Preserve, San Luis Obispo County. Photo credit: Kathie Russell.

                              silverback 2
                              Silverback fern, Pentagramma triangularis, Mission Trails Regional Park, San Diego.
                              Photo credit: Kathie Russell.

                              Ferns which show variegation of white or cream color are grown for the nursery and floral trade. Some of these are commonly used in San Diego such as
                              Pteris argyraea, P. albo-lineata, P. cretica 'Mayii' and P. ensiformis. Also some Boston fern varieties with variegation are sold such as "tiger fern." Maidenhairs occasionally show variegation.

                              Several species of
                              Blechnum have amazing pink/red color in their new growth. In San Diego these color bursts usually come in late winter. B. gibbum and B. appendiculatum are examples. Dryopteris erythrosora, known as the autumn fern, has new growth in a vibrant bronze tone, as do some Davallias. Adiantum hispidulum, the rosy maidenhair, shows a lovely pink in new spring growth, as do a few other Adiantums.

                              A hispidulum 2
                              Spring rosy pink growth of Adiantum hispidulum, rosy maidenhair, private garden, San Diego County. Photo credit: Brian Russell.

                              autumn fern 2
                              New pinkish bronze growth of the autumn fern Dryopteris erythrosora, private garden, San Diego County. The color is most interesting in late winter. Photo credit: Kathie Russell.



                              apple court WA 2
                              Athyrium niponicum 'Apple Court' seasonal color photographed in May, Washington Park Arboretum, Seattle WA. Photo credit: Kathie Russell.
                              The ghost fern, a hybrid between Japanese painted fern,
                              Athyrium niponicum 'Pictum' and lady fern, A. felix-femina, shows silvery color. Varieties of A. niponicum of interest for their color include 'Apple Court' and 'Burgundy Lace'. An interesting variation of the lady fern, Athyrium felix-femina, has violet-red stipes during the growing season spring through fall. This colorful native originally from Vermont is recommended for areas with cold winters and acidic soil types.

                              red lady WA 2
                              Red variety of Athyrium felix-femina in May, Washington Park Arboretum, Seattle WA.
                              Photo credit: Kathie Russell.
                              The iridescent blue fern frond is unknown to most of us. These unique blue ferns are found in areas of very low light, and the color is not blue pigment but rather an optical observation of thin-film interference. Certain wavelengths of light interfere in reflection between top and bottom layers in the filmy frond.
                              Trichomanes elegans is one example, a terrestrial filmy fern which grows in very dark tropical forests of Panama. Robbin Moran reported that it was so dark when he found this fern that he was unable to photograph it. Blue color has been studied in a few species of ferns and a Selaginella. For further discussion and explanation of blue iridescence in ferns see Reference 3.

                              References:

                                Looking Ahead

                                Platycerium night is this coming January 17. All those attending will have the opportunity to mount a platy pup onto a board. You may bring a small pup or purchase one that evening. Supplies will be provided by the society. Platycerium ferns will be sold on consignment, so bring your surplus to sell and also some funds to acquire new varieties for your collection.

                                Meeting Calendar 2013

                                January 17
                                February 21
                                March 28 (4th Thursday of the month)
                                April 18
                                May 16
                                June 20

                                Board Meetings
                                Room 104 on January 8 and the first Tuesday of March, May, July, September, November

                                San Diego Fern Society Officers


                                President
                                Kathie Russell klrkath@yahoo.com
                                1st Vice President and Secretary
                                Amna Cornett amnacarol@yahoo.com
                                2nd Vice President
                                Gary Bourne
                                Treasurer
                                Bill Ganger wganger@sbcglobal.net
                                Past President
                                Don Callard dcallard@san.rr.com
                                Board Members:
                                Bruce Barry
                                Bob Charlton kwyjibo@san.rr.com
                                Richard Lujan
                                Bill Mous

                                Website

                                www.sandiegofernsociety.com
                                Webmaster: Bob Charlton kwyjibo@san.rr.com

                                Membership

                                Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                San Diego Fern Society
                                2829 30
                                th Street
                                San Diego, CA 92104

                                San Diego Fern Society Objects and Purposes

                                The San Diego Fern Society was formed

                                * to provide a source of information on ferns;
                                * to arrange for people to study ferns together;
                                * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                The Society aims

                                * to encourage all horticultural activities by example, education, exhibits, and donations;
                                * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                * to promote and stimulate interest in ferns;
                                * to encourage and develop culture of various types and varieties of ferns;
                                * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.




                                Volume XXXVI, Number 12

                                NOVEMBER FERN SOCIETY MEETING

                                The November meeting of the San Diego Fern Society will be held Thursday, November 15, 2012. The Society will meet at 7:30pm in Casa del Prado Room 101, Balboa Park. The program will be "Ferns of Columbia, South America," presented by Dylan Hannon, Curator of Conservatory and Tropical Collections at The Huntington Library, Art Collections and Botanical Gardens.

                                Dylan Hannon will give a photo presentation on ferns in Columbia, South America. He will include some begonias, showing us some species mostly from Laos that he has never seen anywhere else, as well as a few from Colombia, and also other intriguing plants.

                                Dylan maintains a special focus on plants from tropical and Mediterranean biomes. His interests include growing, propagating and distributing rare plants, as well as writing, photography and botany. His work background is in commercial nursery, botanical garden and botanical research. Dylan combines the talents and experiences that always make for a fascinating program. Members, fern friends and guests will want to take advantage of this opportunity.

                                Memberships

                                $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2013. See Bill Ganger or mail to the address on page 6.

                                Refreshments

                                November refreshments will be provided by Kathie Russell and Bill Mous.

                                Report on October Meeting

                                In October we were privileged to view photos from Alaska, with all the ferns there are to see, courtesy of adventure traveler Jay Amshey. Southeast Alaska has an amazing cultural heritage, protected natural waterways and the Tongass National Forest, the largest in the US. Secluded waterways, glaciers and forests provided the backdrop for many interesting ferns, mosses and other flora, as well as a few bears.

                                Nominations for 2013

                                The Nominations Committee nominates Fern Society members for election to fill the positions of officers and board members for the coming year 2013. These nominations will be presented at the November general meeting, and additional nominations are accepted from the floor in November only, with prior consent of the person being nominated. Elections are held at the annual meeting of the San Diego Fern Society in December.

                                Nominations for 2013 San Diego Fern Society Officers


                                President: Kathie Russell
                                1
                                st Vice President and Secretary: Amna Cornett
                                2
                                nd Vice President: open (shared board responsibility)
                                Treasurer: Jay Amshey
                                Board Members: Bruce Barry, Bob Charlton, Bill Ganger, Richard Lujan, Bill Mous

                                Past President: Don Callard remains on the Board

                                About The Huntington

                                The Huntington Library, Art Collections and Botanical Gardens is one of the world’s great cultural, research, and educational centers. A private, nonprofit institution, it was founded in 1919 by Henry E. Huntington, a businessman who built a financial empire that included railroad companies, utilities, and real estate holdings in Southern California.

                                Mr Huntington was also a man of vision with a special interest in books, art, and gardens. During his lifetime, he amassed the core of one of the finest research libraries in the world, established a splendid art collection, and created an array of botanical gardens with plants from around the globe. These three distinct facets of The Huntington are linked by research, education, and beauty.

                                Brief Description of the Gardens at The Huntington

                                In 1903 Henry Huntington purchased the San Marino Ranch, a working ranch at that time with citrus groves, nut and fruit orchards, alfalfa crops, a small herd of cows, and poultry. His superintendent William Hertrich was instrumental in developing the various plant collections of the gardens. The property, originally nearly 600 acres, today consists of 207 acres, of which about 120 are landscaped and open to visitors. More than 14,000 different varieties of plants are showcased in more than a dozen garden areas.

                                Huntington and Hertrich worked together to mold the working ranch into a botanical garden of rare and exotic plants. They searched local nurseries and visited other plant collectors to find unique specimens, and imported plants from many parts of the world to experiment with their cultivation in Southern California. The Lily Ponds were developed first. Huntington and Hertrich worked together on the Palm, Desert, and Japanese gardens and planned the North Vista and the landscaping around the mansion.

                                Today The Huntington features more than a dozen garden areas, specializing in camellias, herbs, roses, subtropicals and Australian plants. There is a Chinese garden and a garden for children, a conservatory and a Shakespeare garden. A new project, the Huntington Ranch, draws from the history of the estate to provide a place for research and demonstration of sustainable urban agriculture.

                                For further information see
                                http://www.huntington.org/ and also the article on page 5. Naming the Mother Fern

                                Asplenium ferns were studied at the September Fern Society meeting. We looked at some of the birds nest types of Aspleniums to determine their botanical classification, as labels from the nursery trade are often not botanically correct. Similarly, botanists in New Zealand studying Asplenium bulbiferum have determined that these plants are mostly labeled incorrectly in the nursery trade. Amna took note of a newsletter article from the Fern Society of Victoria, Australia. There, author Barry White provided an explanation. The plant in the nursery trade known as mother fern and labeled Asplenium bulbiferum is actually a sterile hybrid of A. bulbiferum ssp bulbiferum, growing only in New Zealand, and another Asplenium from Norfolk Island, A. dimorphum. (A different subspecies, A. bulbiferum ssp gracillimum, grows naturally in Australia.)

                                The New Zealand botanists have named and published the hybrid as Asplenium x lucrosum, and it is suggested that the hybridization occurred in England in the early 1800s. The parent plants are recorded at Kew for 1820 and 1831. In 1858, Lowe wrote that A. bulbiferum was commonly grown in nearly all greenhouses in Britain, in his work Ferns: British and exotic. This set of eight volumes is in the Botanical Foundation library in Casa del Prado, room 104. In an unpublished thesis of 1954, D.L. Knowlton, in taxonomic study of Aspleniums, stated that all the plants in cultivation of this hybrid were descended from one plant (reported in reference 2).

                                This hybrid Asplenium x lucrosum is only propagated from the bulbils along the fronds and is not grown from spore. The spores are irregular in size and shape, and considered infertile. In Australia and New Zealand the mother fern is commonly called hen and chicks fern. This fern is widely sold in the US as well as around the world.

                                mother fern for FW2
                                Fern presumed to be Asplenium x lucrosum, Fern Canyon, San Diego Zoo. Photo credit: Kathie Russell.

                                References:

                                  Ferning in San Diego in the Fall
                                  by Bob Halley, first published in Fern World, 1993


                                  If you like summer in San Diego, you should love fall. The hardest part is trying to find it. I think we agree that winter generally starts with the first real rains in November, and the summer may last into October. Doesn't leave much for fall, does it? Anyway, as far as the ferns are concerned fall is to enjoy. I guess we may say that it starts when many of the ferns stop growing, and the deciduous ones start to turn brown. I would arbitrarily say it starts when the nighttime temperatures in your area fall below 60°F.

                                  The next question is what to do about it. The answer is, "Pretty much what comes naturally." As fronds turn brown and ugly, cut them off. If we had a cold snowy climate, those old fronds would serve to help protect the plant through the winter, but here they simply become a home for pests. Until the first rains come we have to keep watering, but since most of the plants are not growing they should be watered sparingly. After the rains, start to be very careful not to add your own water to the rain and thus drown the plants.

                                  On the other hand, dry spells of more than a week or so mean that some water should be added to the plants that are still green and trying to grow. In the case of a Santa Ana condition when hot dry winds blow across our area from the desert to the east of us, everything in your yard that is still growing will need water. And more importantly, you must try to keep the humidity up by sprinkling the whole area several times a day and keep the mulch well dampened.

                                  Feeding should stop except for plants such as Platyceriums and Polypodium formosanum that like to grow through the winter.

                                  Most pests should have given up by now since there is very little good fresh sap to suck, and the old fronds aren't very attractive to snails. As the old fronds die back and the plants become easier to see into, it is a good time to inspect for hard scale and get rid of them.

                                  Even though a plant may have outgrown its home during the summer growth period, this is not the time to repot or separate it. Wait until the growing period starts again in the spring or you will be encouraging more drowning.

                                  Bob Halley, a native San Diegan, was a retired physicist who was very active in the San Diego Fern Society for many years, serving as author, president, fern enthusiast and educator.

                                  Huntington Botanical Gardens, the Early Years

                                  William Hertrich, a young landscape gardener, set out from New England in 1903 for a visit to relatives in California and stayed to work as a landscaper. By the end of the following year, he was offered a position on Huntington's San Marino Ranch. At first his work was establishing a drainage system for the extensive property which included sections of citrus and grain. Soon the perennial need of Southern California became his work focus – water supply and reservoir storage. In the early years he was able to complete the lily ponds. Since the family resided in San Marino during the winter months, Hertrich engineered a heating system for one large pond and grew tropical water lilies, including the giant-leaved Victoria, which could then flower into mid-January.

                                  Mr Huntington was interested in a tropical look for his gardens, so a palm garden was begun on a four acre site. Collection was a slow process, with palms coming from Southern California nurseries as well as sources in the eastern US, Europe and Japan. Huntington and Hertrich had decided to introduce palms from different parts of the world and test their suitability as landscape material for California home gardens and parks. Nearly 150 species and varieties were successfully grown, but very cold years would always reduce the extensive palm collection. Tropical plants suffered greatly in years such as 1913 which had a low temperature of 20º F. No truly tropical species survived in San Marino, where the climate is similar to areas of east San Diego County such as El Cajon or Ramona.

                                  Mr Hertrich's account states that after the palm area was under development, he requested permission from Mr Huntington to establish a cactus garden. Mr Huntington thoroughly disliked all types of cacti, explaining that he had had an unfortunate personal introduction to prickly cactus while working in Arizona. However, noting the uniqueness of this type of garden and the opportunity to bring in American plants which would have scientific and education value, Mr Huntington was finally convinced. There was a barren hillside, unsightly and unsuitable for most plantings, available for a cactus garden. The initial planting of 300 cactus and desert plants went well, and further plants were collected from Arizona and Mexico.

                                  Starting in 1908, glass houses were constructed for tropical plants. At first these were for orchids, a favorite of Mrs Huntington. Then rare tropical palms, ferns, anthuriums and ornamentals were cultivated in these shelters. Edible crops of vegetables were grown in small greenhouses as well for the family to enjoy during the winter.

                                  The first avocado orchard was grown from seeds acquired from a restaurant chef, with seven acres of seedlings planted by 1907. However the previously mentioned freeze of 1913 killed back these plants. The following spring Hertrich was surprised to find new growth from the roots, and after two years of care the trees were rebudded with grafts of avocado varieties.

                                  William Hertrich tells interesting tales of acquiring rare cycads, attempts to reduce the gopher population, finding suitable stone for the rockery garden, and establishing the Japanese Garden. Reading his stories and viewing the historic black and white photos of the property in the early years, in the book listed below, would make an excellent preview to a visit to the gardens today. The San Marino Ranch, after more than a hundred years of cultivation and special care, is truly a treasure and is open to the public.

                                  Reference:
                                  Hertrich, W. (1949). The Huntington Botanical Gardens 1905-1949. San Marino, CA: Huntington Library.



                                  Meeting Calendar 2013
                                  January 17
                                  February 21
                                  March 28 (4th Thursday of the month)
                                  April 18
                                  May 16
                                  June 20


                                  Board Meetings
                                  Room 104 on the first Tuesday of January, March, May, July, September, November


                                  December 20, 2012
                                  San Diego Fern Society
                                  Annual Meeting and Party
                                  Room 101, 6:30 pm





                                  San Diego Fern Society Officers


                                  President
                                  Kathie Russell klrkath@yahoo.com
                                  1
                                  st Vice President and Secretary
                                  Amna Cornett amnacarol@yahoo.com
                                  2
                                  nd Vice President
                                  Gary Bourne
                                  Treasurer
                                  Bill Ganger wganger@sbcglobal.net
                                  Past President
                                  Don Callard dcallard@san.rr.com
                                  Board Members:
                                  Bruce Barry
                                  Bob Charlton kwyjibo@san.rr.com
                                  Richard Lujan
                                  Bill Mous wim54321@gmail.com

                                  Website

                                  www.sandiegofernsociety.com
                                  Webmaster: Bob Charlton kwyjibo@san.rr.com

                                  Membership

                                  Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                  San Diego Fern Society
                                  2829 30
                                  th Street
                                  San Diego, CA 92104




                                  San Diego Fern Society Objects and Purposes

                                  The San Diego Fern Society was formed
                                  * to provide a source of information on ferns;
                                  * to arrange for people to study ferns together;
                                  * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                  The Society aims
                                  * to encourage all horticultural activities by example, education, exhibits, and donations;
                                  * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                  * to promote and stimulate interest in ferns;
                                  * to encourage and develop culture of various types and varieties of ferns;
                                  * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


                                  Volume XXXVI, Number 11

                                  OCTOBER FERN SOCIETY MEETING

                                  The October meeting of the San Diego Fern Society will be held Thursday, October 11, 2012. The Society will meet at 7:30pm in Casa del Prado Room 101, Balboa Park.

                                  In October we will be privileged to view photos from Alaska, with all the ferns there are to see, courtesy of adventure traveler Jay Amshey. Southeast Alaska has an amazing cultural heritage, protected natural waterways and Tongass National Forest, the largest in the US. This promises to be a program that Californians will enjoy.

                                  Meeting Date Change in October


                                  For the month of October, the Fern Society will meet on the second Thursday of the month, October 11. Occasionally our meeting date is shifted to accommodate the shows of other groups using Room 101

                                  NEWS AND NOTES
                                  Memberships

                                  $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment through December 2013. See Bill Ganger or mail to the address on page 6.

                                  Refreshments

                                  October refreshments will be provided by Don Callard and Gary Bourne.

                                  Report on September Meeting

                                  September brought us a program on
                                  Asplenium ferns, facilitated by Amna Cornett and Kathie Russell. We viewed photos depicting the variety of the genus, then looked at live plants brought by members, especially observing the many birds nest forms. One birds nest Asplenium with three growing crowns was divided in a live demonstration. Then, using cut fronds of various birds nest Aspleniums, we tried our hand at identifying them, using drawings and descriptions to help us sort out A. nidus, A. australasicum and A. antiquum. As a door prize, each person attending received a free fern.

                                  In Memoriam: Ed Moore

                                  The San Diego Fern Society recently lost our oldest member, Ed Moore. Ed has been active in the San Diego Fern Society for many years and continued to enjoy his garden until the end of his life at age 97. Through his years of travels and gardening he acquired many species and varieties of ferns as well as botanically significant collections of other plants, notably cycads. Ed was gracious about sharing his garden and plants, and will be missed.

                                  Nominations for 2013

                                  A Nominations Committee is forming to nominate the officers and board members for the coming year 2013. Members interested in serving on the committee should contact Kathie Russell at the October meeting, or email in advance to: sandiegofernsociety@gmail.com

                                  Also, suggestions for officer and board positions may be given to the committee. The nominations will be presented at the November general meeting, and elections are held at the annual meeting of the San Diego Fern Society in December.


                                  Ferns which grow along the continental United States coast

                                  About 400 species of ferns and lycophytes are listed for North America north of Mexico. The coastal lands of the US are mostly temperate in climate as the oceans moderate extremes of heat and cold. The ferns discussed here are a very small sample of those growing in coastal areas of the continental US.

                                  Atheryrium filix-femina, the lady fern, is found in moist woods, swamps and stream banks, both coastal and inland. It is terrestrial and winter-dormant. Four varieties are recognized and their natural habitats include most of the coastlines of the United States. Lady ferns grow in the eastern interior of the US and the coast from Maine southward to Florida and along the Gulf Coast, and also in the Western US, from southern California (San Gabriel mountains and Santa Cruz Island) northward to Alaska. The lady fern is considered by many to be an ideal garden fern for moist, shady, cool locations. This fern does not grow naturally in San Diego County, which lacks those ideal conditions. Thus it is less likely for successful gardening here.

                                  lady fern
                                  Atheryrium filix-femina. Photo credit: US Forest Service.
                                  Polystichum acrostichoides, the Christmas fern, grows in eastern US forests and rocky hillsides. Staying green year-round, it has different sterile and fertile frond forms. It can be found both inland and in the coastal areas from Maine south to Florida and along the Gulf Coast to Texas, growing two or three feet tall. It is not found on the West Coast.

                                  Polystichum munitum, also green all year, is the common sword fern of the West Coast. It is found from Santa Cruz Island and Monterey County northward to Alaska. Commonly seen in coastal forests, it forms large clumps up to five feet tall or more. A similar plant with fronds up to two feet high, P. imbricans, formerly considered a variety of P. munitum, grows naturally in San Diego County in the Laguna and Palomar mountain areas and also along the central California coast from Santa Barbara County and Santa Rosa Island northward. P. munitum is available from nurseries.

                                  Adiantum pedatum is the five-fingered maidenhair of eastern US deciduous woodlands. The similar plant, A. aleuticum, primarily grows in the western US, in moist wooded ravines and rocky areas including coastal cliffs. In California it is found in the San Bernardino and San Gabriel mountains, Santa
                                  Cruz Island and northward.

                                  Two types of
                                  Woodwardias, W. areolata and W. virginica, grow in coastal New England southward to the Gulf Coast in acidic bogs. These are smaller plants than Woodwardia fimbriata, which is primarily in California, often coastal such as in redwood forests. It is native to San Diego County growing near streams, and is in some SDFS private collections.

                                  Osmunda regalis L. var. spectabilis, known as the royal fern, is large and almost tree-like with fronds sometimes extending four to six feet. Fronds are dimorphic; fertile fronds have contracted fertile pinnae covered in green (turning to brown) sporangia at the end of the frond. This dramatic plant is another fern growing naturally from Maine to Florida to Texas, both in coastal and inland areas of the eastern US.

                                  osmunda regalis
                                  Osmunda regalis L. var. spectabilis. Photo credit: Merel R. Black, University of Wisconsin Stevens Point.

                                  Osmunda cinnamomea, the cinnamon fern, is
                                  found in bogs and stream banks in the eastern US. Fertile stalks are erect with the broad sterile fronds arching around up to four feet tall.
                                  Osmundas thrive in wet, acidic conditions but do not grow naturally in the West.

                                  Thelypteris palustris,
                                  known as the marsh fern, grows in wet woods and swamps as its common name suggests, throughout the eastern US. A couple of additional species of Thelypteris grow in the eastern US. Several species of Thelypteris are found in the Everglades in Florida where it is warm.

                                  In the West, mostly in wet shaded canyons around Santa Barbara, the fern
                                  Thelypteris puberula var. sonorensis grows. Another Thelypteris is found in northern California northward to Washington, T. nevadensis, the Nevada marsh fern. It is a plant of wet areas near springs and streams, both coastal and in the Sierra Nevada mountains, but not in the state of Nevada.
                                  Many species of
                                  Dryopteris are found in the US. Dryopteris intermedia and D. carthusiana both grow naturally from Virginia northwards along the East Coast, and also inland in the eastern US.

                                  Dryopteris arguta, sometimes called the coastal wood fern, is found along the West Coast from San Diego County northward to Washington. Dryopteris expansa, the spreading wood fern, grows from the Central California coast northward to Alaska and also in eastern Canada.

                                  Dryopteris arguta
                                  Dryopteris arguta, Irish Hills Preserve, Los Osos Valley CA. Photo credit: Kathie Russell.

                                  The wild Boston fern,
                                  Nephrolepis exaltata,
                                  is found naturally in Everglades National Park and peninsular Florida. The fronds may be four feet long. Its habitat is swamps and wet places, and is usually terrestrial but also grows on trees and logs.

                                  The large plant
                                  Blechnum serrulatum, the swamp fern, grows up to six feet tall in shady Florida swamps. It has toothed leaves and is generally terrestrial, but can also grow epiphytically in areas of brackish water.

                                  Other
                                  Blechnums in the US are the smaller B. occidentale in the Gulf Coast states and B. spicant, known as the deer fern, in the Pacific Northwest. Note that most cultivated garden plants called Blechnum occidentale in horticulture are actually the similar B. appendiculatum. Blechnum spicant is available in the nursery trade but does not tolerate alkaline conditions and is not suggested for San Diego gardens.

                                  Found in Everglades National Park,
                                  Cheiroglossa palmata (older name: Ophioglossum palmatum L.), also called the hand fern, grows on trees like a staghorn fern but does not transplant. It is endangered in Florida, destroyed by fires and perhaps draining of land.

                                  hand fern by NC Orchid sm
                                  Cheiroglossa palmata, South Florida. Photo credit: NC Orchid, licensed under Creative Commons.

                                  The
                                  Polypodium ferns in the US grow naturally in both the East and the West. P. virginianum is found from Virginia northward into Canada and throughout the eastern US but not the Gulf Coast. It is considered abundant, growing on acliffs and rocky slopes. A very similar fern is P. appalachianum, with a smaller range along the East Coast.

                                  Polypodium glycyrrhiza and P. scouleri are found along the West Coast. The Polypodies are a fern family with numerous hybrids and variant forms.

                                  Polypodium californicum
                                  is fairly abundant locally at Torrey Pines State Preserve, and northward through California. The cultivar 'Sarah Lyman' is available in the nursery trade and is suggested for garden use.

                                  poly sunset cliffs sm
                                  Polypodium californicum, Sunset Cliffs, San Diego CA. Photo credit: Kathie Russell.

                                  P_cal_Sarah_Lyman
                                  Polypodium californicum 'Sarah Lyman,' Leaning Pine Arboretum, Cal Poly San Luis Obispo CA. Photo credit: Kathie Russell.

                                  Pentagramma triangularis is an epipetric and terrestrial fern from northern Baja California northward to British Columbia, Canada. Subspecies viscosa is found in coastal areas of San Diego County and southern California including the Channel Islands. Look for it in Balboa Park down the hill east of Park Boulevard.


                                  balboa park silverback fern
                                  Pentagramma triangularis subsp. viscosa, Balboa Park, San Diego CA. Photo credit: Kathie Russell.

                                  At the October meeting of the San Diego Fern Society we will view photos of ferns and learn about their habitats along the coastal areas of Southeast Alaska.

                                  References

                                  • 1. Flora of North America: North of Mexico (Vol. 2). (1993). New York: Oxford University Press.
                                  • 2. Flora of North America. (n.d.). Retrieved from www.efloras.org. October 3, 2012.
                                  • 3. Lellinger, D. B. (1985). A field manual of the ferns & fern-allies of the United States & Canada. Washington, D.C.: Smithsonian Institution Press.
                                  • 4. Munz, P. A. (1965). A California Flora. Berkeley: University of California Press.
                                  • 5. Avery, G. N., & Loope, L. L. (1983). Plants of Everglades National Park (Rep. No. TRT-574, National Park Service). Retrieved October 3, 2012.
                                  • 6. Tryon, A. F., & Moran, R. C. (1997). The ferns and allied plants of New England. Lincoln, MA: Center for Biological Conservation, Massachusetts Audubon Society.
                                  • 7. Rickard, M. (2002). The Plantfinder's guide to garden ferns. Portland, OR: Timber Press.
                                  • 8. Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.

                                  Meeting Calendar 2012

                                  October 11 (this is the second Thursday)
                                  November 15
                                  December 20 (annual meeting and party)


                                  San Diego Fern Society Officers


                                  President
                                  Kathie Russell klrkath@yahoo.com
                                  1st Vice President and Secretary
                                  Amna Cornett amnacarol@yahoo.com
                                  2nd Vice President
                                  Gary Bourne
                                  Treasurer
                                  Bill Ganger wganger@sbcglobal.net
                                  Past President
                                  Don Callard dcallard@san.rr.com
                                  Board Members:
                                  Bruce Barry
                                  Bob Charlton kwyjibo@san.rr.com
                                  Richard Lujan
                                  Bill Mous

                                  Website

                                  www.sandiegofernsociety.com
                                  Webmaster: Bob Charlton kwyjibo@san.rr.com

                                  Membership

                                  Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                  San Diego Fern Society
                                  2829 30
                                  th Street
                                  San Diego, CA 92104

                                  San Diego Fern Society Objects and Purposes

                                  The San Diego Fern Society was formed
                                  * to provide a source of information on ferns;
                                  * to arrange for people to study ferns together;
                                  * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                  The Society aims
                                  * to encourage all horticultural activities by example, education, exhibits, and donations;
                                  * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                  * to promote and stimulate interest in ferns;
                                  * to encourage and develop culture of various types and varieties of ferns;
                                  * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.

                                  Volume XXXVI, Number 10

                                  SEPTEMBER FERN SOCIETY MEETING

                                  The September meeting of the San Diego Fern Society will be held Thursday, September 20, 2012. The Society will meet at 7:30pm in Casa del Prado Room 101, Balboa Park.

                                  Our meeting will be a program on Asplenium ferns, hosted by Amna Cornett and Kathie Russell. We will start with an overview of the genus, then show photos and live plants of some of the many species.
                                  Please bring one or two Asplenium plants for Show and Tell, and plan to share where and how you grow the plant. We will also discuss the various birdsnest Aspleniums, using diagrams and descriptions to help us sort out A. nidus, A. australasicum and A. antiquum. Those of you who have these plants may bring a frond with spores to be identified. Cut off an old frond from the outside of your plant(s). Bring a hand lens magnifier if you have one.

                                  For 2012 there are no formal Fern Show awards. However, our September meeting will conclude with a grand door prize. Each person attending will receive a small fern.

                                  NEWS AND NOTES

                                  Meeting Date Change for October


                                  For the month of October, the Fern Society will meet on October 11, the second Thursday of the month. Occasionally our meeting date is shifted to accommodate the shows of other clubs in Room 101.

                                  In October we will be privileged to view photos from Southeast Alaska, with all the ferns there are to see, courtesy of traveler Jay Amshey.

                                  Refreshments

                                  September refreshments will be provided by Bruce Barry, Kathie Russell and Martin Dominguez.

                                  Plant Table for September

                                  At the September regular meeting there will be a fern opportunity table. Each attendee will receive a door prize fern in a drawing, and additional tickets will be available to purchase for $2. Members are encouraged to take home one or more plants. If your gardening space is filled, This is your chance to share a fern with a neighbor or friend.
                                  Report on August Meeting

                                  In August we took a tropical photo tour of Asian ferns given by Don Callard. The Philippines, with diverse and mostly tropical habitats, is an amazing place for ferns. Platyceriums and various other beauties were viewed in the photos. It was of note that the gardens/nurseries shown had an abundance of fern varieties with ruffled edges, crested fronds and unusual forms, including many Aspleniums.

                                  Report on August Fern Show

                                  The 2012 San Diego Fern Show took place on Saturday and Sunday, August 18-19. Last minute arrangements (the city permit) allowed us to hold our show and sale in Room 101, our usual location. This gave us room for an uncrowded show, with the sales area in the room and space to breathe.

                                  The 2012 show was an all display show, without competitive judging. Certain aspects of operating the show were much easier this way, and the Fern Society Board would appreciate feedback on this show from members and comments from the guests at the show.

                                  Our annual Fern Show and Sale requires the teamwork of all of our members and friends. The Fern Society Board would like to thank those who brought in stands/platy boards, set up the show room, entered plants, sold ferns and assisted with sales, hosted in the show room and plant holding area, brought refreshments, and helped take down the show property.

                                  parrot1
                                  Fern Show 2012. Photo credit: Kathie Russell


                                  platy
                                  Fern Show 2012. Photo credit: Kathie Russell

                                  Evaluating the Fern Show

                                  In planning for the future, it would be most helpful to the Fern Society Board to receive comments from members and guests regarding the 2012 Show and Sale. Especially those persons who entered show plants, please provide a brief evaluation of this year's show at the September meeting to a board member, or by email to:
                                  sandiegofernsociety@gmail.com . Similarly, the board would appreciate comments from show volunteers and guests.

                                  Asplenium Ferns

                                  Ferns in the Asplenium genus are many and varied. Some grow in the ground, primarily on rock, and some on trees. Small types are used in rock gardens, and many of the larger subtropical species may be grown indoors in pots. There are approximately 700 known species, and many hybrids.

                                  The small Asplenium marinum is found on rocky habitat around the Mediterranean, areas subject to sea spray. Similarly, medium-sized A. obtusatum grows near the sea in New Zealand, Australia and Pacific islands.

                                  Asplenium_marinum_001
                                  Asplenium marinum, on cliffs, Costa de Cantabria, Spain. Photo credit: Johan N., licensed under Creative Commons for use under GFDL.

                                  In tropical America, A. cuspidatum is widespread. A tender plant, it is suggested for the humid environment of terrariums. Asplenium trichomanes, growing on every continent except Antarctica, is quite small and useful in rock gardens and terrariums. There are genetically different forms, one of which prefers limestone areas making it a choice for San Diego growers.

                                  Asplenium_trichomanes_subsp_quadrivalens
                                  Asplenium trichomanes subsp. quadrivalens. Photo credit: Kurt Stueber, used by permission under GFDL.

                                  A. trichomanes-ramosum, also know as A.
                                  viride, grows on limestone cliffs and is very cold hardy. A. ruta-muraria, a temperate Northern Hemisphere fern, is one of the smallest, with fronds 2 to 5 inches. It is found growing on limestone and on mortared walls.

                                  Among the many Aspleniums in the US is a
                                  plant that gives the appearance of a clump of grass. A. septentrionale generally grows at high elevations, mostly in the west. In California it has been recorded in mountains at 6000 to 10000 feet elevation, is uncommon, and may go unrecognized in its natural habitats. It is considered difficult to keep in cultivation. It is also found in Europe and Asia.

                                  Another hardy Asplenium of the US is A. platyneuron. It is somewhat common throughout the eastern US and also found in South Africa. These plants are dimorphic, having tall, erect fertile fronds and smaller spreading sterile fronds. A. resiliens grows in North and South America and islands on limestone rocks. It is similar in appearance to A. platyneuron.

                                  Just one species of Asplenium is found in San Diego County, A. vespertinum, and it is not common. Specimens have been found in Mission Gorge, Sweetwater Valley, Alpine, Tecate, Lyon's Peak, and Cuyamaca and Laguna mountain areas. This plant is endemic to southern California and Baja, and listed as a rare/endangered species. It is small, and will be found sheltered under rocks.


                                  Aspleniums known as mother ferns

                                  Asplenium bulbiferum goes by the common name, mother fern. San Diego gardeners can grow it either outside or indoors, and it tolerates low light situations. Plants are medium in size, with fronds highly divided and producing baby plants along the surface. These bulbils may be carefully grown to produce more plants. (Try this in a covered plastic container or terrarium.) Slugs and snails are a concern, sometimes destroying a garden fern rather quickly. A. bulbiferum is native from South Asia to Australia and Pacific islands.

                                  A similar fern which produces bulbils is A. daucifolium, native to the Macarene Islands and Madagascar. In southern Africa, A. gemmiferum develops fronds up to 3 feet long with a bulbil at the tip. It can establish colonies in the forests of the Cape area, growing on rocks near streams. In a similar geographic range and habitat, A. monanthes develops a bulbil positioned on the stipe. These are also called by the common name, mother ferns.

                                  1Asplenium_daucifolium_Berlin_-_IMG_8708
                                  Asplenium daucifolium, Berlin Botanical Garden, Germany. Photo credit: Daderot, public domain.

                                  New Zealand and Australia are home to many Aspleniums. In addition to the birds nest species found in Australia and mother fern A. bulbiferum found in both areas, the necklace fern A. flabellifolium is of interest. It grows in somewhat dry and rocky locations, and a plantlet may form at the tip of a frond. It is suggested for basket culture.

                                  A. Fl
                                  Asplenium flabellifolium on sandstone, New South Wales, Australia. Photo credit: Tony Rodd, licensed under Creative Commons.

                                  A large tropical Asian Asplenium, found from the Philippines to Indonesia, is A. longissimum. Plantlets form at the tips of fronds. The plants are best cultivated in a hanging basket but must be kept moist. This plant may need protection from cold in San Diego.

                                  A fern with the common name, walking fern, grows across central and eastern areas of the US, from Canada to the South. Asplenium rhizophyllum usually grows on limestone rocks, and will root at the tips of fronds.

                                  Birds nest form of Aspleniums

                                  Several species of Asplenium are commonly called birds nest ferns. These have simple fronds growing in a funnel or bowl shape. Plants are often labeled by growers as A. nidus, but many are A. australasicum or A. antiquum. To confuse the situation, many cultivars are available showing wavy fronds, fringed or forked fronds and variations. The characteristics of these birds nest ferns will be discussed at the September meeting of San Diego Fern Society. These are all from Australia, Asia and islands. A. nidus also grows naturally from eastern tropical Africa, Southeast Asia to Philippines, Taiwan and Hawaii, as well as Australia. A. australisicum grows in Australia and islands. A. antiquum is found on Taiwan and Japan.

                                  In addition to the above three species of Aspleniums in the birds nest form, there are similar plants in other parts of the world. A. serratum grows in southern Florida as well as tropical America, and is found on logs and the base of trees. A different birds nest fern grows in southern Africa (areas of Zimbabwe and Mozambique), A. holstii, which strongly resembles A. nidus.

                                  Asplenium goudeyi was brought to the US by Bob Halley and Robin Halley of the San Diego Fern Society It is endemic to Lord Howe Island (New South Wales, Australia) and is found in rocky areas. Another birds nest species in Australia is A. simplicifrons.

                                  References:
                                  Olsen, S. (2007). Encyclopedia of garden ferns. Portland, OR: Timber Press.
                                  Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.
                                  Brownsey, P. J., Smith-Dodsworth, J. C., and Galloway, T. N. (2000). New Zealand Ferns and Allied Plants. Auckland: David Bateman.
                                  Chaffey, C. H. (1999). Australian ferns: Growing them successfully. East Roseville NSW: Kangaroo Press.
                                  Palmer, D. D. (2003). Hawai'i's ferns and fern allies. Honolulu: University of Hawai'i Press.
                                  Lellinger, D. B. (1985). A field manual of the ferns & fern-allies of the United States & Canada. Washington, D.C.: Smithsonian Press.
                                  Tryon, R. M., Tryon, A. F., and Hodge, W. H. (1982). Ferns and allied plants: With special reference to tropical America. New York: Springer-Verlag.
                                  Huang, T. (1980). Flora of Taiwan (Vol. 1). Taipei, Taiwan: Editorial Committee of the Flora of Taiwan, Second Edition.
                                  Australia National Botanic Gardens. Retrieved September 10, 2012, from
                                  http://www.anbg.gov.au/cpbr/databases/
                                  San Diego County Plant Atlas/Herbarium of San Diego Natural History Museum. Retrieved September 9, 2012,
                                  http://www.sdnhm.org/ science/botany/projects/plant-atlas/

                                  Meeting Calendar 2012

                                  September 20
                                  October 11 (this is the second Thursday)
                                  November 15
                                  December 20 (annual meeting and party)


                                  San Diego Fern Society Officers

                                  President
                                  Kathie Russell klrkath@yahoo.com

                                  1
                                  st Vice President and Secretary
                                  Amna Cornett amnacarol@yahoo.com

                                  2
                                  nd Vice President
                                  Gary Bourne

                                  Treasurer
                                  Bill Ganger wganger@sbcglobal.net

                                  Past President
                                  Don Callard dcallard@san.rr.com

                                  Board Members:
                                  Bruce Barry
                                  Bob Charlton kwyjibo@san.rr.com
                                  Richard Lujan
                                  Bill Mous

                                  Website

                                  www.sandiegofernsociety.com
                                  Webmaster: Bob Charlton kwyjibo@san.rr.com

                                  Membership

                                  Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                  San Diego Fern Society
                                  2829 30
                                  th Street
                                  San Diego, CA 92104


                                  San Diego Fern Society Objects and Purposes

                                  The San Diego Fern Society was formed
                                  * to provide a source of information on ferns;
                                  * to arrange for people to study ferns together;
                                  * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                  The Society aims
                                  * to encourage all horticultural activities by example, education, exhibits, and donations;
                                  * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                  * to promote and stimulate interest in ferns;
                                  * to encourage and develop culture of various types and varieties of ferns;
                                  * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


                                  Volume XXXVI, Number 9

                                  AUGUST FERN SOCIETY MEETING

                                  The August meeting of the San Diego Fern Society will be held Thursday, August 16, 2012. The Society will meet at 7:30pm in Casa del Prado Room 101, Balboa Park.

                                  Our program will be a tropical photo tour of Asian ferns given by Don Callard. The Philippines, with diverse and mostly tropical habitats, is an amazing place for ferns. Platyceriums and various other beauties will be included in the photos.

                                  We will also discuss plans our show, including set up, registration and staffing needs.

                                  NEWS AND NOTES

                                  Memberships

                                  $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment from January through December. See Bill Ganger or mail to the address on page 6. Encourage guests at the show to join our group.

                                  Refreshments

                                  August refreshments will be provided by Bob Charlton, Walt Meier and Bill Mous.

                                  No Plant Table this month

                                  At the August regular meeting there will not be a fern table. Plants will be for sale as always at the Fern Show, so bring some cash with you.

                                  Audit of Fern Society Finances

                                  Thanks very much to Jay Amshey for completing an audit of the Fern Society financial records for year 2011, and providing feedback on society financial planning matters.

                                  Report on July Event

                                  Our July social event was a garden potluck at Dean and Susan Turney's home in Encinitas. Those who enjoyed this casual time were privileged to walk among the camellias, begonias, ferns, palms and other interesting plants in this backyard "jungle". Additionally, the food and friendships were a special treat for the evening. Dean noted that the San Diego Fern Society was originally organized and held its first meeting at this location, at that time the residence of Mildred Murray. We extend our thanks to the Turneys for their hospitality.

                                  FERN SHOW: New Location for 2012

                                  The 2012 San Diego Fern Show will be Saturday and Sunday, August 18-19. This year we will hold our show and sale in Room 104, across the patio from our usual location. The August regular meeting will be in Room 101 on Thursday evening August 16. (Remember that Room 104 is occupied on Thursday night and you should not yet bring your plants.) On Friday morning about 9am we will set up Room 104 and Friday afternoon around 2pm we will check in plants.

                                  Although we are merely moved across the patio, this does mean a few changes to our usual pattern. The 2012 show will be an all display show, so there will not be competitive judging. Our location in room 104 has space limitations and we will be challenged as we prepare a beautiful and educational show for the public. As always, bring ferns you have owned and grown during the three months prior to the show. They must be groomed and free of pests and pest damage, including free from ants. Containers and hanging displays must be clean and tidy, appropriately displaying plants to the public. Anyone, society member or not, may enter ferns in the show.

                                  We will have a fern sales area and you may sell your own plants on consignment. It is important to have only clean and pest free plants in the sales area. Let a board member know if you would like to sell plants, and also plan to help during the show.

                                  Invite your friends to come whether or not you think they are gardeners. A personal invitation may be what encourages someone to visit and grow ferns and perhaps join our organization.

                                  Our annual Fern Show and Sale requires the teamwork of all of our members and friends. Volunteers would enjoy lunch/snack foods, both Saturday and Sunday. You may bring ready-to-eat foods to share either day. Some beverages including drinking water, coffee and tea will be provided in Room 104 for workers. We will not be serving meals, and there is no cooking facility, microwave, refrigerator nor sink near Room 104. (The kitchen next to Room 101 is usually open.) There are some food services in Balboa Park; the Village Grill is just north of the Prado Theater and there is a cafe at the Fleet Science Center.


                                  Fern Show 2012

                                  show view smaller3

                                  Bringing your plants:

                                    Our August Fern Show is our primary opportunity to present ferns and fern growing to the public. We both show locally grown ferns and have ferns for sale. It is up to all of us to share our enjoyment of ferns with the guests at our show.

                                    Most San Diego home gardens, patios or balconies will have suitable spots for ferns. Areas under trees provide ideal fern habitats; shadecloth may be used for patio or garden areas that receive hot sun. A drip irrigation system can assist the home gardener in water management. San Diego's mild climate gives seemingly unlimited fern garden options.

                                    Those of us who are room hosts at the show can share the growing tips below with our show guests. Many local people are reluctant to grow ferns because of past experience or perceived watering requirements with ferns. The show is our opportunity to share accurate growing information along with our love of ferns with interested visitors.

                                    Water-wise ferns: People generally assume ferns require a great deal of water. Ferns like moisture, but they are very reasonable about water consumption. As with any plant in the garden, it's best to learn a little about what you are growing. Many local residents do not realize that there are ferns living in the Anza Borrego Desert of eastern San Diego County, as well as in Mission Trails Park in San Diego. Garden ferns generally have similar water needs to other garden plants.

                                    Actively growing ferns need water, and most look best when not allowed to completely dry out between waterings. The key to the water issue is drainage. Gardeners most often kill their ferns with too much water surrounding the root system, so watch drainage needs carefully in selecting garden sites and containers for fern growing.

                                    Growing hints: Some ferns are tiny and will remain small; others become trees, so consider the space need of your fern. Some ferns have a dormant season when they stop growing or even die back, looking dead. They will produce new fronds after rain or in spring or the appropriate season or growing condition. Ferns that are dormant don't require much water.

                                    Planting ferns in containers: A suggested mix for container ferns could have one-third perlite, one-third peat moss, and one-third forest compost. This preparation differs from most commercial bags of houseplant soil. When using a commercial mix it is worthwhile to add up to a third part of perlite to improve drainage. Ferns need little or no fertilizer when growing in the right mix. If fertilizer is used, it should be at one-quarter to one-half strength, applied when the plant is actively growing. Shallow pots are recommended for ferns. Containers must have good drainage!

                                    Suggested ferns for the San Diego area:

                                    Adiantum raddianum, Adiantum hispidulum (maidenhair ferns). Adiantum raddianum is available in many cultivars, and grows well near a concrete wall or patio. These ferns are partially dormant in winter. Adiantum hispidulum then produces new pink fronds which soon turn green. The maidenhair ferns do not appreciate complete dryness, but with watering may come back to produce new fronds. They remain small to medium in size and are attractive most of the year.

                                    maidenhair
                                    Adiantum raddianum, Fern Show 2011


                                    Nephrolepis exaltata and Nephrolepis cordifolia (Boston fern, sword fern). There are many attractive cultivars, providing variety to a fern collection. Some are frilly, some are small (such as 'compacta') to fit your space requirements. Boston ferns grow well indoors when given good light, and outside in patios. Suggested cultivars include 'Dallas' and 'Sassy.' Some N. cordifolia varieties are tolerant of low water and partial sun and make excellent garden choices, including 'Western Queen,' 'Lemon Buttons' and 'Medusa.'

                                    Cyrtomium falcatum (holly fern). This grows readily in the garden, especially placed near a concrete wall. Plants are tolerant of low water and some sun. The holly fern has naturalized in San Diego County.

                                    Platycerium bifurcatum (staghorn fern). These ferns are mounted on boards with sphagnum moss, and hung in a partial shade location. Water should be put into the moss behind the plant, and must drain. There are many hybrids and varieties which do well in San Diego. Some of the other species of Platycerium require special care.

                                    Asplenium australasicum, Asplenium antiquum (birdsnest fern). These ferns grow slowly into medium or large plants, and can be kept in containers indefinitely. Protect them from snails and slugs.

                                    aspenium quail
                                    Asplenium australasicum, SD Botanic Garden

                                    Pteris albo-lineata. Plant forms a small to medium open clump. It needs just moderate water and humidity, and will flourish in medium light situations, indoors or outside. It can be planted in rocky areas. Small plants are suited to terrariums. Plants become partially dormant in winter, with new growth in early spring.

                                    pteris albo
                                    Pteris albo-lineata

                                    Blechnum gibbum (silver lady fern).
                                    Growing slowly into a small tree fern, silver lady forms a lovely specimen plant for the shade garden or patio. New fronds arrive in late winter and the plant remains attractive all year.

                                    Blechnum7
                                    Blechnum gibbum fiddlehead

                                    Photo credit: Brian Russell;
                                    All other photos: Kathie Russell

                                    Meeting Calendar 2012

                                    August 16
                                    Fern Show: August 18-19
                                    September 20
                                    October 11 (this is the second Thursday)
                                    November 15
                                    December 20 (annual meeting and party)


                                    San Diego Fern Society Officers

                                    President
                                    Kathie Russell klrkath@yahoo.com

                                    1
                                    st Vice President and Secretary
                                    Amna Cornett amnacarol@yahoo.com

                                    2
                                    nd Vice President
                                    Gary Bourne

                                    Treasurer
                                    Bill Ganger wganger@sbcglobal.net

                                    Past President
                                    Don Callard dcallard@san.rr.com

                                    Board Members:
                                    Bruce Barry
                                    Bob Charlton kwyjibo@san.rr.com
                                    Richard Lujan
                                    Bill Mous

                                    Website

                                    www.sandiegofernsociety.com
                                    Webmaster: Bob Charlton kwyjibo@san.rr.com

                                    Membership

                                    Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                    San Diego Fern Society
                                    2829 30
                                    th Street
                                    San Diego, CA 92104

                                    San Diego Fern Society Objects and Purposes

                                    The San Diego Fern Society was formed

                                    * to provide a source of information on ferns;
                                    * to arrange for people to study ferns together;
                                    * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                    The Society aims
                                    * to encourage all horticultural activities by example, education, exhibits, and donations;
                                    * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                    * to promote and stimulate interest in ferns;
                                    * to encourage and develop culture of various types and varieties of ferns;
                                    * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


                                    JULY FERN SOCIETY SPECIAL EVENT

                                    The July meeting of the San Diego Fern Society will be held Thursday, July 19, 2012. The Society will meet at Dean and Susan at 6:30pm.

                                    This summer's social event is a garden potluck. (There will not be a meeting program.) A grill will be available, so you may bring something to grill if you wish. Please bring a dish to share and your own table service.

                                    We will meet earlier, at 6:30 to allow daylight enjoyment of Dean and Susan's garden paradise. Dean grows camellias, begonias, ferns, palms and various interesting plants in his Encinitas jungle. We appreciate his loan of large plants for the recent fair display and over many years, and his support of the plant clubs.

                                    NEWS AND NOTES

                                    Memberships

                                    $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment from January through December. See Bill Ganger or mail to the address on page 6.

                                    No Refreshments needed this month

                                    No Plant Table this month

                                    For the months of July and August there will not be a fern table. Plants will be for sale as always at the August Fern Show.

                                    Report on June Meeting

                                    We viewed an animated video clip on spore growth and new fern development in June. Our education on the spore-to-plant fern cycle follows a few months after our February meeting of sowing spores. Don Callard brought samples of spore culture and young plants of Platycerium andinum and Kathie Russell also had spore cultures to show. No attendees brought their spore cultures from February.

                                    San Diego County Fair Report

                                    The Del Mar Fair for 2012 was held June 8 through July 4. We again presented both a container exhibit and a small landscape exhibit, featuring ferns appropriate for San Diego area gardens. The container exhibit had an amazing collection of ferns grown in San Diego and the landscape exhibit displayed many ferns, most of which are available locally, in a simple patio garden design. Thanks to all who helped set up, maintain and take down the fair exhibit and to those who loaned their plants.

                                    Surveys of guests at the fair consistently verify that the garden show is a highlight, and so we showcase ferns to thousands of people who come to the fair each year.

                                    FERN SHOW

                                    New Location for 2012


                                    The 2012 San Diego Fern Show will be on Saturday and Sunday, August 18-19. This year only we will hold our show and sale in Room 104, across the patio from our usual location. The August regular meeting will be in Room 101 on Thursday evening August 16. (Please remember that Room 104 is occupied on Thursday night and you should not yet bring your plants.)

                                    On Friday morning we will set up Room 104 and Friday afternoon we will check in plants. Anyone, society member or not, may enter ferns in the show.

                                    Although we are merely moved across the patio, this does mean a few changes to our usual pattern. The 2012 show will be an all display show, so there will not be competitive judging. Our location in room 104 has space limitations and we will be challenged as we prepare a beautiful and educational show for the public.

                                    As always, bring ferns you have owned and grown during the three months prior to the show. They must be groomed and free of pests and pest damage, including free from ants. Containers and hanging displays must be clean and tidy, appropriately displaying plants to the public.

                                    We will have a fern sales area and you may sell your own plants on consignment. It is important to have only clean and pest free plants in the sales area. Let a board member know if you would like to sell plants, and also plan to help during the show.
                                    Our annual Fern Show and Sale requires the teamwork of all of our members and friends. Save these dates and make plans to join us. Invite your friends whether or not you think they are gardeners. A personal invitation may be what encourages someone to visit and grow ferns and perhaps join our organization.

                                    What to do in July and early August to prepare for the show

                                    • Select ferns for the show, plants that you have owned and cared for during the past three months. These ferns might be rare and unusual, or just lovely or interesting ferns, perhaps your own favorites. This year our show area is smaller than in the past, so consider sharing your small but beautifully presented ferns, to inspire the public to grow ferns even in limited space such as window areas, condo balconies or small yards.
                                    • Determine the plant names, using books and help from other fern growers. It is best to establish the plant name before old fertile fronds are removed.
                                    • You may transplant a fern into a new clean container of similar size if the old container has become unsightly.
                                    • Pay a little extra attention to these plants, and certainly water adequately for summer.
                                    • Check for pests and disease, using the least toxic controls as needed. Infested plants will be disqualified from the show. Thrip is sometimes an issue in summer, and you must remove insect damaged fronds ahead of time. We do not want infested plants in the show room at all.
                                    • Keep your show plants in the best locations for the remaining weeks where you can watch over them.






                                    1. Woodwardias –
                                    the chain ferns

                                    The genus Woodwardia consists of about 14 species of medium to large ferns, named after British botanist Thomas Woodward. These plants, in the Blechnaceae (Blechnum) family, are mostly native to the north temperate zones, North America south to Costa Rica, the Mediterranean area of Europe and eastern Asia. The common name, chain ferns, apparently reflects the appearance of chains of sori on fertile fronds.

                                    W sori 2
                                    Woodwardia fimbriata showing chains of sori

                                    In the recent San Diego County Fair, our exhibits included Woodwardia fimbriata. This California native is found along the Pacific Coast from Baja California north into British Columbia, including the Sierra Nevada mountains. In San Diego County, botanical specimens were collected by Daniel Cleveland in the nineteenth century in the upper Sweetwater Valley and in Julian. (See historical note page 5). More recent specimens come from Palomar Mountain, Heise County Park, Cleveland National Forest and Cuyamaca Rancho State Park.

                                    Woodwardia fimbriata is also found in the Sierras, reported by Robert Rodin along the Kawea River in Sequoia National Park and several places in Yosemite including Happy Isles in the valley. W. fimbriata is most abundant in coastal redwood forests and remains green and beautiful through the year, often with fronds as long as eight feet. Its common name is giant chain fern.

                                    W fimbriata Cowell SP
                                    Woodwardia fimbriata, about 6 feet tall, in Cowell Redwoods State Park, Santa Cruz County, CA

                                    W. fimbriata tolerates snow cover and light frost, and thus cold is not an issue in San Diego gardens. It does require water, so even though it is a native plant, some summer watering is necessary to maintain its beautiful appearance. In nature, look for it in shady areas along streams and seeps.

                                    In addition to W. fimbriata, W. areolata and W. virginica are native to the US. Both are suggested for acidic soils which indicates they would be challenging to grow in San Diego. Woodwardia areolata is common on the Atlantic coastal plain and inland areas of the eastern US, growing in wet woodlands and acidic bogs. It is cold tolerant but deciduous, with fronds about two feet long. Fertile fronds grow later in the season, and are narrower and distinctive.

                                    Woodwardia virginica has a similar but larger range, from Canada to Burmuda along the eastern US and as far inland as Illinois and Michigan. In bogs and marshes it can flourish in full sun, and will spread when planted in wet gardens. Young fronds are golden in color, extending up to three feet in length, and are deciduous.

                                    Other species of interest are those from Asia. Woodwardia orientalis is another large plant, useful in the garden and providing winter color – bright pink new fronds. W. orientalis is native to Japan, China, the Himalayas, Taiwan and Philippines. It is semi-hardy and easy to grow in San Diego, with fronds to about five feet in length, spreading outward. Mature fronds produce little plantlets on the upper surface, which may be carefully rooted. The late Bob Halley did this, sharing his little plants with fern friends.

                                    bot bldg Woodwardia closer
                                    Woodwardia orientalis new frond growth in winter, Balboa Park Botanical Building

                                    Another Asian fern is Woodwardia unigemmata, a favorite of Sue Olsen. Its native areas are similar to W. orientalis but it is slightly more cold tolerant. Bulbils form on the tip of fronds, which may grow into new plants. With young fronds a bright red color, it is popular in conservatories, and grows slightly larger than W. orientalis.

                                    From southern Europe, Woodwardia radicans is a smaller plant and also semi-hardy. It also develops bulbils on the tip of fronds. Mary Z has been growing this plant, and in the ground it has spread in her garden from the tip growth.

                                    W radicans
                                    Woodwardia radicans
                                    All photo credits: Kathie Russell
                                    --------------------
                                    References:


                                      Historical note: Daniel Cleveland authored The Ferns of San Diego County, published by the Society of Natural History. He seems to have shared his name with Cheilanthes clevelandii, a San Diego County native fern, as well as our closest national forest (Cleveland National Forest), and plants such as a local sage, Salvia clevelandii, an aster, a plant in the borage family, a mimulus, a penstemon, and more (as found in the San Diego Natural History Museum herbarium).
                                      --------------------
                                      Reference:
                                      Amero, R.W. History of the San Diego Natural History Museum, in Balboa Park History, San Diego Historical Society (Chapter 17). Retrieved July 2, 2012 from www.balboaparkhistory.net/chapter17.pdf
                                      Pre-historical note: Many examples of Woodwardia ferns are found as fossils. Very well preserved Woodwardia virginica fossils categorized as middle Miocene have been studied by botanists Kathleen Pigg and Gar Rothwell in central Washington. Identification of the fossils was based on vegetative pinnules, rhizomes and stipe anatomy, and also including fertile pinnules showing sori. These fossils demonstrate that ferns similar to those of the present time were well established in western North America.
                                      Reference:
                                      Pigg, K.B. and Rothwell, G.W. (2001). Anatomically preserved Woodwardia virginica (Blechnaceae) and a new filicalean fern from middle Miocene Yakima Canyon flora of central Washington, USA. American Journal of Botany, 88(5), 777-787.


                                      San Diego Fern Society Officers


                                      President
                                      Kathie Russell klrkath@yahoo.com

                                      1
                                      st Vice President and Secretary
                                      Amna Cornett amnacarol@yahoo.com

                                      2
                                      nd Vice President
                                      Gary Bourne

                                      Treasurer
                                      Bill Ganger wganger@sbcglobal.net

                                      Past President
                                      Don Callard dcallard@san.rr.com

                                      Board Members:
                                      Bruce Barry

                                      Bob Charlton kwyjibo@san.rr.com

                                      Richard Lujan

                                      Bill Mous

                                      Website

                                      www.sandiegofernsociety.com
                                      Webmaster: Bob Charlton kwyjibo@san.rr.com

                                      Membership

                                      Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                      San Diego Fern Society
                                      2829 30
                                      th Street
                                      San Diego, CA 92104

                                      San Diego Fern Society Objects and Purposes

                                      The San Diego Fern Society was formed
                                      * to provide a source of information on ferns;
                                      * to arrange for people to study ferns together;
                                      * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                      The Society aims
                                      * to encourage all horticultural activities by example, education, exhibits, and donations;
                                      * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                      * to promote and stimulate interest in ferns;
                                      * to encourage and develop culture of various types and varieties of ferns;
                                      * to provide for the exchange and dissemination among Society members of information relating to culture of ferns.


                                      JUNE FERN SOCIETY MEETING

                                      The June meeting of the San Diego Fern Society will be held Thursday, June 21, 2012. The Society meets in Room 101 of Casa del Prado in Balboa Park, San Diego, at 7:30 PM. We will have an informative program, followed by a plant table and refreshments.

                                      This month we will view an interesting video clip on spore growing which will help your understanding of the spore to plant fern cycle. This is the time to bring in any spore cultures, sporelings or plants grown by you (or others) from spore for show and tell.

                                      NEWS AND NOTES

                                      Memberships

                                      $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment from January through December. See Bill Ganger to join or continue your membership through 2012.

                                      Refreshments

                                      June refreshments will be provided by Nancy Hoyt, Miles Goodman and Gary Bourne. Enjoy!

                                      June 2012 Plant Table

                                      This month the plant table features ferns from our local supplier, and Gary Bourne brings us the best choices available. We will not have a fern table for the two coming meetings so this is your opportunity to acquire some new green growing things for your summer patio. There will be plants for sale as always at the August Fern Show.

                                      Name Tags

                                      You may order your own Fern Society name tag. Gary Bourne has clip-on or pin name tags available at the low cost of $6. It is very helpful if Fern Society members wear name tags during the coming August Fern Show, so order them this month.


                                      Report on May Meeting

                                      In May, George Plaisted shared his findings on fertilizers available at a local nursery, and what they contain. We learned about the numbers identifying fertilizer ingredients, and what is needed for plant nutrition. There are so many products, some of which are labeled for a specific type of plant. With a basic understanding of fertilizer ingredients, gardeners can make informed choices on nutritional supplements and not spend excessively on purchasing so many products. Fern growers generally use fertilizer products at reduced strength and only during the growing season.

                                      San Diego County Fair

                                      The Del Mar Fair opened June 8 and continues through Wednesday, July 4, 2012, except Mondays during June. You might skip the chocolate covered bacon and red velvet funnel cakes, and just enjoy the gardens. We again have a container exhibit and a small landscape exhibit, and both feature ferns appropriate for San Diego area gardens. The container exhibit has an amazing collection of ferns grown in San Diego. You ought to be impressed with this display, even if some are your own plants on loan to our fair exhibit.

                                      The Flower and Garden Show has taken the theme "Cosmic Spaces" to complement the 2012 fair theme, "Out of this World." Our landscape exhibit has a small educational panel showing the fern fiddlehead spiral through photos. The equiangular spiral, known as spira mirabilis, is found naturally in various plants, shells and, yes, spiral galaxies. More information on spira mirabilis is given on page 4 of this newsletter.

                                      Our county fair effort has both financial and promotional value to the San Diego Fern Society. Surveys of guests at the fair consistently verify that the garden show is a highlight, and so we showcase ferns to thousands of people of all ages who come to the fair each year.

                                      Take down of exhibits is July 5.

                                      Looking ahead

                                      For July we will have a change of meeting venue! Amna has arranged with Dean Turney to meet at his house for a potluck. There will be a grill, so you may bring something to grill as well as a dish to share. We will meet at 6:30 to allow daylight enjoyment of Dean and Susan's garden paradise. Dean has grown camellias, begonias, ferns, palms and various interesting plants in his Encinitas jungle. We appreciate his loan of large plants for the fair displays over the years, and his support of the clubs.

                                      Watch for further information and directions in the July Fern World. Ride sharing may be arranged.
                                      New show location for this year

                                      The 2012 San Diego Fern Show will be on Saturday and Sunday, August 18-19. This year only we will hold our show and sale in Room 104, across the patio from our usual location. The August regular meeting will be in Room 101 on Thursday evening August 16. Then, on Friday morning we will set up Room 104 and Friday afternoon we check in plants. Anyone, society member or not, may enter ferns in the show.

                                      Our annual Show and Sale requires the teamwork of all of our members and friends. There is a place for everyone at the Fern Show. Save these dates, invite your friends and make plans to join us.

                                      San Diego Fern Society Show and Sale
                                      August 18 - 19, 2012
                                      Casa del Prado Room 104, Balboa Park, San Diego
                                      Saturday noon to 5pm ~ Sunday 10am to 4pm



                                      Although we are merely moved across the patio, this does mean a few changes to our usual pattern. The board voted to make the 2012 show an all display show. This means there will not be competitive judging. Our location in room 104 has space limitations and we will be challenged as we prepare a beautiful and educational show for the public. As always, you are encouraged to bring ferns you have owned and grown during the three months prior to the show. They must be groomed and free of pests and pest damage, including free from ants. Containers and hanging displays must be clean and tidy, appropriately displaying the plant.

                                      We plan to have a sales area and you may sell your own plants on consignment. It is especially important to have only clean and pest free plants in the sales area. Let a board member know if you would like to sell plants, and plan to help during the show.

                                      What to do in June

                                      Now is the time to prepare your plants for the upcoming August Fern Show. Choose some ferns you have owned and cared for during the past three months. These potential show ferns could be rare and unusual, or just lovely or interesting ferns, perhaps your own favorites. We want the public to see what we grow, including the beautiful ferns that need just ordinary care.

                                      Determine the plant names, using books and help from other fern growers. It is best to establish the plant name before old fertile fronds are removed. Learn about any special care needed, and pay a little extra attention to these plants. You may want to fertilize lightly, and certainly water adequately for summer. Check for pests and disease, using the least toxic controls as needed. Infested plants will be disqualified from the show. Remove damaged fronds and thin out old fronds to accommodate new growth. Keep your show plants in the best locations where you can watch over them until August.
                                      Spira Mirabilis

                                      NautilusCutawayLogarithmicSpiral
                                      This Wikimedia Commons image is from the user Chris 73 and is freely available at //commons.wikimedia.org/wiki/File:
                                      NautilusCutawayLogarithmicSpiral.jpg under the creative commons cc-by-sa 3.0 license.


                                      Spira mirabilis, the equiangular spiral, is found in nature in the shells of Nautilus,
                                      ammonites and foraminifera. It also shows up in certain floral inflorescences, where the
                                      flower branches repeatedly to one side at a constant angle, such as in heliotropes,
                                      borages and forget-me-nots. The spiral becomes a conical helix in the curvature of the
                                      ram's horn and plant tendril.
                                      Robbin Moran explains this as unequal growth of the inner and outer surfaces. This
                                      occurs regardless of the material–whether shell, bone or plant tissue. In fern
                                      fiddleheads the cells on the outer surface of the spiral elongate more that those inside.
                                      The fiddlehead uncoils when the inner surface cells elongate, and the frond straightens.



                                      fiddlehead from panama
                                      Fern fiddlehead in Panama
                                      photo credit: Tiffany Russell



                                      Pasted Graphic
                                      Blechnum gibbum
                                      photo credit: Brian Russell



                                      Pasted Graphic 1
                                      Sphaeropteris cooperi
                                      photo credit: Brian Russell

                                      --------------------
                                      Reference:
                                      Moran, R. (2004). A natural history of ferns. Portland, OR: Timber Press


                                      Loss of a fern friend

                                      Fern lovers are saddened to learn that Barbara Joe Hoshizaki died recently. Many in the San Diego Fern Society have known her over the years. Her book, Fern Grower's Manual, co-authored with Robbin Moran, is our constant reference source for fern information, identification and plant care. One member recalls that when she came to our show a few years back, she supported the show plant registration by cutting and folding the plant label tags, as well as helping with fern identification. We were impressed by her helpfulness with these small details as well as her extensive fern knowledge. In addition to many professional accomplishments, Barbara Joe Hoshizaki was an all-around great person.

                                      San Diego Fern Society Officers

                                      President
                                      Kathie Russell klrkath@yahoo.com
                                      1
                                      st Vice President and Secretary
                                      Amna Cornett amnacarol@yahoo.com
                                      2
                                      nd Vice President
                                      Gary Bourne
                                      Treasurer
                                      Bill Ganger wganger@sbcglobal.net

                                      Directors

                                      Past President
                                      Don Callard dcallard@san.rr.com
                                      Board Members:
                                      Bruce Barry
                                      Bob Charlton kwyjibo@san.rr.com
                                      Richard Lujan
                                      Bill Mous

                                      Website

                                      www.sandiegofernsociety.com
                                      Webmaster: Bob Charlton kwyjibo@san.rr.com

                                      Membership

                                      The San Diego Fern Society is now taking dues for 2012 memberships. Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                      San Diego Fern Society
                                      2829 30
                                      th Street
                                      San Diego, CA 92104



                                      San Diego Fern Society Objects and Purposes

                                      The San Diego Fern Society was formed
                                      * to provide a source of information on ferns;
                                      * to arrange for people to study ferns together;
                                      * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                      The Society aims
                                      * to encourage all horticultural activities by example, education, exhibits, and donations;
                                      * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                      * to promote and stimulate interest in ferns;
                                      * to encourage and develop culture of various types and varieties of ferns;
                                      * to provide for the exchange and dissemination among Society members of information relating to the culture of ferns.

                                      Volume XXXVI, Number 6

                                      MAY FERN SOCIETY MEETING

                                      The May meeting of the San Diego Fern Society will be held Thursday, May 17, 2012. The Society meets in Room 101 of Casa del Prado in Balboa Park, San Diego, at 7:30 PM. We will have an informative program, followed by a plant table and refreshments.

                                      This month we will be privileged to hear from our own George Plaisted. He will share his findings on the fertilizers available from local nurseries: what they contain, what they cost, and how to get your money's worth. George explored this subject in recent months and will share his results, giving you the knowledge to make your own fertilizer choices for your ferns and other plantings.

                                      George is experienced in growing many types of plants in San Diego, their container choices, watering techniques, planting mixes and supplemental nutrition. He has been active with local plant clubs and the Botanical Garden Foundation, our parent organization in Balboa Park. He will bring gardening supplies including planting mix ingredients for you to purchase. Bring a little extra cash so you can stock up on these items at modest cost.

                                      NEWS AND NOTES

                                      Memberships

                                      $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment from January through December. See Bill Ganger to join or continue your membership through 2012.

                                      Refreshments

                                      May refreshments will be provided by Nancy Hoyt and Kathie Russell. Enjoy!

                                      May 2012 Plant Table

                                      This month the plant table features ferns from our local supplier, and Gary Bourne brings us the best choices available this spring. You may find some new ferns to brighten your May patio or garden.

                                      2012 LAIFS Fern and Exotic Plant Show and Sale
                                      Saturday June 9, 9 am - 4:30 pm
                                      Sunday June 10, 9 am - 4 pm

                                       Los Angeles County Arboretum & Botanical Gardens
                                      301 N Baldwin Ave, Arcadia, CA
                                      (1/2 mile south of the 210 Freeway)

                                         
                                        Los Angeles International Fern Society
                                        www.laifs.org 562-864-0883



                                        Report on April Meeting

                                        In April, Kathie Russell narrated her photos of Washington Park Arboretum in Seattle. This 230 acre garden, one of the most important tree collections in North America, showcases over 10,000 trees and plants. Throughout the trees are beautiful rhododendrons and ferns. Members of the Hardy Fern Foundation maintain a planted patio area to demonstrate fern gardening choices for the Pacific Northwest. Additionally, hardy ferns are intermixed with mature trees, water features, woodland areas and the Pacific Connections Garden, all alongside beautiful Lake Washington.

                                        San Diego County Fair

                                        The Del Mar Fair will be open Friday, June 8 through Wednesday, July 4, 2012, except Mondays during June. We again have reserved a container exhibit and a small landscape exhibit, and both will feature ferns appropriate for San Diego area gardens. Our county fair effort has both financial and promotional value to the San Diego Fern Society. We need landscape design ideas and implementation from our members. By participating in our displays, you can show your plants to the thousands of people who come to the fair.

                                        The Flower and Garden Show has taken the theme "Cosmic Spaces" to complement the 2012 fair theme, "Out of this World." Unique and rare plants are encouraged for exhibits this year. Watching how garden designs and plants develop into cosmic spaces promises to be entertaining, to say the least.

                                        The Fern Society plans to prepare and arrange the larger features in the exhibits on Saturday, May 26 and then set in the plants on Saturday, June 2. Come around 9 am each Saturday, and support our outreach at the fair. Take down of exhibits is July 5.
                                        Coming in August

                                        The 2012 San Diego Fern Show will be on Saturday and Sunday, August 18-19. This year only we will hold our show and sale in Room 104, across the patio from our usual location. The August regular meeting will be in Room 101 on Thursday evening August 16. Then, on Friday morning we will set up Room 104 and Friday afternoon we check in plants for judging. Anyone, society member or not, may enter ferns in the show.

                                        Our annual Show and Sale requires the teamwork of all of our members and friends. There is a place for everyone at the Fern Show. Save these dates, invite your friends and make plans to join us.

                                        San Diego Fern Society Show and Sale
                                        August 18 - 19, 2012
                                        Casa del Prado Room 104, Balboa Park, San Diego
                                        Saturday noon to 5pm ~ Sunday 10am to 4pm


                                        Soils and Planting Mixes

                                        With George's presentation on fertilizers this month, it may be helpful to understand the various soils and planting media used by fernists and gardeners in general. Inorganic soil material is sand, silt and clay. Sand has the largest particles, and clay the smallest (less than 0.002 mm). Loam is a mixture of sand, silt and clay. Humus, the decomposed remains of plants and animals, improves loam for growing plants.

                                        Sand drains quickly and does not hold nutrients. It requires more frequent watering and fertilizing than other soils.

                                        Clay soil, although retaining water, packs down so tightly that it is difficult for roots to penetrate. The lack of air spaces means that clay soil can get water-logged, not allowing needed oxygen around roots. To improve clay garden soil, add a liberal amount of organic matter, and also some gritty material (sand/gravel) and gypsum. If 50% clay and 50% organic matter is used, this will be suitable for gardening only about three years. Thus, every 6 to 12 months, organic matter should be added as topper. Better yet, dig out ferns, add organic matter, perlite and/or gypsum, and replant the ferns.

                                        Two suggested mixes for ferns (Hoshizaki):


                                          --------------------
                                          References:
                                            Container Culture of Ferns

                                            Gardening in containers has replaced or supplemented growing ferns in the ground for many Californians. Condo gardens and smaller yards may be the primary reason, but containers have the advantage of moving with you when you relocate and allowing transport of plants to shows. The gardener can easily provide adequate drainage and then water individual plants as needed. Ferns can be moved around for ideal placement through the seasons of the year, and even hidden away when dormant. Tropicals may be sheltered from frost or wind, then later returned to showplace locations. As shade patterns of a yard change through the year, a plant can be seasonally placed under shady trees and patios to take advantage of ideal light conditions or humidity areas.

                                            Epiphytic ferns are those that grow naturally on trees. These are particularly suited to growing in baskets and on plaques. Sphagnum moss is commonly used to line a wire basket or placed against a board for mounting ferns. These plants have no soil, so careful attention to their nutritional needs is important. In addition to Playtcerium, ferns such as Asplenium and Drynaria are suggested for plaques.

                                            Container fern gardening allows you to customize the planting mix and nutrition for each type of fern. At this month's meeting, we will learn about fertilizers so that you can optimally care for your container ferns.
                                            --------------------
                                            References:

                                              Acidic and Basic Conditions for Ferns

                                              When ferns are growing well, the gardener does not need not be concerned with soil acidity. However, this does affect the ability of plants to use soil nutrients. Arid regions such as San Diego generally have basic (alkaline) soils. The greatest amount and variety of nutrients are available to plants when soil is neutral to slightly acidic, as is common in rainy areas.

                                              Most ferns grow optimally in slightly acidic conditions, pH between 6 and 7, where 7 is neutral. Soils high in peat and other organic material will provide acidic conditions for ferns. Some Blechnum, Dryopteris and Polystichum ferns grow best in acidic conditions.

                                              Other ferns are native to basic soils or limestone areas, and need more calcium. Calcium can be added in the form of dolomite, ground limestone or oyster shells. Ferns for basic or limestone soils are some of the Adiantum and Asplenium ferns, and Phyllitis scolopendrium. Photos below show ferns in basic and acidic natural habitats.

                                              --------------------
                                              Reference:
                                              Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.

                                              Pasted Graphic 3

                                              Fern growing in rocky hillside (basic conditions), Mission Trails Park, San Diego, CA



                                              Pasted Graphic 4
                                              Ferns growing on travertine, a form of limestone, Tonto Natural Bridge State Park, AZ

                                              Pasted Graphic 5

                                              Ferns growing in peat bog (highly acidic), Tongass National Forest, AK

                                              Photo credits: Kathie Russell


                                              San Diego Fern Society Officers

                                              President
                                              Kathie Russell klrkath@yahoo.com
                                              1
                                              st Vice President and Secretary
                                              Amna Cornett amnacarol@yahoo.com
                                              2
                                              nd Vice President
                                              Gary Bourne
                                              Treasurer
                                              Bill Ganger wganger@sbcglobal.net

                                              Directors

                                              Past President
                                              Don Callard dcallard@san.rr.com
                                              Board Members:
                                              Bruce Barry
                                              Bob Charlton kwyjibo@san.rr.com
                                              Richard Lujan
                                              Bill Mous

                                              Website

                                              www.sandiegofernsociety.com
                                              Webmaster: Bob Charlton kwyjibo@san.rr.com

                                              Membership

                                              The San Diego Fern Society is now taking dues for 2012 memberships. Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                              San Diego Fern Society
                                              2829 30
                                              th Street
                                              San Diego, CA 92104



                                              San Diego Fern Society Objects and Purposes

                                              The San Diego Fern Society was formed
                                              * to provide a source of information on ferns;
                                              * to arrange for people to study ferns together;
                                              * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                              The Society aims
                                              * to encourage all horticultural activities by example, education, exhibits, and donations;
                                              * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                              * to promote and stimulate interest in ferns;
                                              * to encourage and develop culture of various types and varieties of ferns;
                                              * to provide for the exchange and dissemination among Society members of information relating to the culture of ferns.


                                              Volume XXXVI, Number 5

                                              APRIL FERN SOCIETY MEETING

                                              The April meeting of the San Diego Fern Society will be held Thursday, April 19, 2012. The Society meets in Room 101 of Casa del Prado in Balboa Park, San Diego, at 7:30 PM. We have planned a program, followed by a plant table and refreshments.

                                              This month you may visit the Washington Park Arboretum in Seattle without leaving San Diego! We will offer photos and commentary of this 230 acre garden, known as one of the most important tree collections in North America. Throughout the trees are beautiful rhododendrons and ferns. Members of the Hardy Fern Foundation maintain a planted patio area to demonstrate fern options for the Pacific Northwest.

                                              Kathie Russell will narrate photos showing hardy ferns intermixed with mature trees, water and woodland areas, and the Pacific Connections Garden. With 10,000 living trees and plants, there is much to view. Adjacent to Lake Washington, the Washington Park Arboretum is jointly operated by the University of Washington and city of Seattle.

                                              NEWS AND NOTES

                                              Memberships

                                              $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment from January through December. See Bill Ganger to join or continue your membership through 2012.

                                              Refreshments

                                              April refreshments will be provided by Don Callard and Gary Bourne. The refreshments sign-up list for 2012 still has openings for future months. Also, consider taking a turn at being our refreshment host/hostess.

                                              April 2012 Plant Table

                                              This month the plant table will feature ferns from our local supplier, and Gary Bourne brings us the best choices available for spring. Some new ferns will brighten your April patio or garden.
                                              Coming in May

                                              For the San Diego Fern Society meeting on May 17, we will be privileged to hear from our own George Plaisted. He will share his findings on the fertilizers available from local nurseries: what they contain, what they cost, and how to get your money's worth. George explored this subject in recent months and will provide his results, giving you the knowledge to make your own fertilizer choices for your ferns and other plantings.

                                              George is experienced in growing many types of plants in San Diego, their container choices, watering techniques, planting mixes and supplemental nutrition. He has been active with local plant clubs and the Botanical Garden Foundation, our parent organization in Balboa Park. He plans to bring planting containers and bagged portions from bulk planting mix ingredients for you to purchase. Set aside a little extra cash for next month so you can stock up on these items at modest cost.

                                              Special Opportunity in June

                                              LAIFS, the Los Angeles International Fern Society, will hold its annual show at the Los Angeles County Arboretum, 310 N Baldwin Av, Arcadia. Mark your calendar for Saturday/Sunday, June 9-10, to attend this important fern show and sale. Additional information will be provided in May, or see the LAIFS website for details:

                                              http://www.laifs.org/

                                              For Travelers: Grab your digital camera and head to ...

                                              Hardy Fern Foundation presents Fern Festival 2012 on June 1 and 2, at the Center for Urban Horticulture in Seattle, Washington. There will be a fern lecture and plant sale.

                                              Birmingham Fern Society will hold its annual Fern Show & Sale on Wednesday, June 20 at Birmingham Botanical Gardens, Alabama.

                                              American Fern Society meets this year in Columbus, Ohio on July 7-11. A one-day fern foray is scheduled for Saturday, July 7, to the ferning areas of Hocking Hills State Park.

                                              Spore Growing Results?

                                              Your fellow Fern Society members are interested in your success (or not) with spore growing. Has anyone seen the hazy green growth or prothalli development from spores sown during the February meeting? Please share a progress report with us at upcoming Fern Society meetings.

                                              Name Tags

                                              You may order your own Fern Society name tag. Gary Bourne has clip-on or pin name tags available at the low cost of $6.
                                              Report on March Meeting

                                              Our March program featured views of Balboa Park Botanical Building, with special emphasis on ferns. These beautiful photos were taken by Bill Mous, and narrated by Amna Cornett. The botanical wonders on view include plants from around the world which grow outdoors in San Diego with only the protection of the lath structure. We viewed many types of ferns, cycads, bromeliads, orchids and more.

                                              Following the photo tour, the society held its popular Gardener's Sale. This special event allowed all of us to spring clean and clear out our own surplus gardening items, and then pick up bargains from other members (that we can't live without)! The Gardener's Sale is a great exchange, reusing and repurposing tools and containers, gaining new varieties of ferns and specialty plants, and just having fun.

                                              More Ferns in Local Parks

                                              Rain this year has continued into April, so the local native ferns are still green and waiting for you to take a walk outdoors. Kathie Russell, Amna Cornett and Bill Mous enjoyed a morning at Mission Trails Regional Park in San Diego in early April. Within a mile of Old Mission Dam, the Oak Canyon trail has Pentagramma triangularis (silverback fern), Pellaea mucronata (birdsfoot fern), Polypodium californicum (California polypody), Adiantum jordanii (California maidenhair) and Cheilanthes newberryi (cotton fern). Most of these ferns can also be seen along Father Junipero Serra Trail, a paved driving route with frequent parking stops for those who do not wish to hike. The Serra Trail is suitable for bicycles and pedestrians as well.

                                              San Diego County Fair

                                              The Del Mar Fair will be open Friday, June 8 through Wednesday, July 4, 2012, except Mondays during June. We again have reserved a container exhibit and a small landscape exhibit, and both will showcase ferns appropriate for San Diego area gardens. Our county fair effort has both financial and promotional value to the San Diego Fern Society. We will need landscape design ideas and implementation from our members. By participating in our displays, you can show your plants to the thousands of people who come to the fair.

                                              The Flower and Garden Show has taken the theme "Cosmic Spaces" to complement the 2012 fair theme, "Out of this World." Unique and rare plants are encouraged for exhibits this year. Watching how garden designs and plants develop into cosmic spaces promises to be entertaining, to say the least. Bruce Barry and Bill Mous attended the exhibitor's meeting and we are ready to showcase our members' creativity with ferns.

                                              The Fern Society expects to prepare and arrange the larger features in the exhibits on Saturday, May 26 and then set in the plants on Saturday, June 2. Save these dates, and plan to support our outreach at the fair. Take down of exhibits is July 5.
                                              Botanical Names

                                              Fern hobbyist growers, and commercial growers for that matter, often wish to use common names for ferns. After all, these names are in English rather than Latin, we can pronounce them and we may already know them. Botanists in their continuing studies seem to always be changing the names and we fern gardeners get confused.

                                              The Polystichum ferns discussed below and in the coming program provide an example of the drawback of using common names. Certain Polystichums are known as holly ferns and sword ferns. San Diego growers have other ferns in mind for those names.

                                              What is a Hardy Fern?

                                              A hardy fern is one that grows (even when you neglect it) although most everything else does not survive, right? Just what is meant by the term, hardy fern?

                                              John Mickel does provide an answer: hardy means enduring without protection, usually alluding to cold. It appears that gardeners elsewhere understand hardiness to be defined by cold temperature that a plant will tolerate and still survive. The US Department of Agriculture has established hardiness zones for plants so that growers can determine whether to try a certain crop or type of plant. Those of us in San Diego generally don't understand these zones; many of us just try whatever plants we wish. However we may notice that some tropical plants will only continue to thrive if kept in a greenhouse or shelter.

                                              USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is based on the average annual minimum winter temperature, divided into 10-degree F zones.

                                              In San Diego County you may see frost-damaged banana plants after a very cold night; banana plants are not hardy and readily show frost damage in inland areas. Similarly some tropical ferns will suffer in San Diego's occasional cold or frost, or just not thrive over the cool winters. We can grow many hardy ferns in San Diego, but most of us do not know which ferns (or other plants for that matter) are actually cold tolerant.


                                              Plant hardiness zone map:

                                              http://planthardiness.ars.usda.gov/PHZMWeb/

                                              Note that San Diego coastal areas are in zones 10 a and b. The Washington Park Arboretum is in zone 9a, which means average winter low temperatures of 20 to 25 F.
                                              --------------------
                                              Reference:
                                              Mickel, J. (1994). Ferns for American gardens. New York: Macmillan.
                                              Polystichum Ferns

                                              Polystichums are found in temperate regions of the world, especially North America, Europe and east Asia, and in high elevations of the tropics. They are generally considered hardy ferns. This term may be confusing to those of us in San Diego, as it does not mean "easy to grow." Rather, refer to USDA plant hardiness zones as explained above.

                                              In the plant collection at Washington Park Arboretum in Seattle, quite a few species and varieties are growing: P. andersonii, P. munitum, P. neolobatum, P. polyblepharum, P. setiferum (varieties 'Divisilobum', 'Plumosomultilobum', 'Rotundatum cristatum'), P. tsus-simense.

                                              Polystichum imbricans is a native, but doesn't seem to appear in the retail trade. It is found in San Diego County in the Palomar, Cuyamaca and Laguna mountain areas, as well as California coastal and mountain regions. P. munitum is very similar but grows much larger with favorable conditions. In the Pacific Northwest it can be over five feet tall in rain forests. It is available in the nursery trade, and grows in nature from Southeast Alaska to central California.

                                              Hardy ferns to try in San Diego include several of the Polystichums. P. tsus-simense is an Asian import which is sold in the nursery trade, and remains small for containers or rock gardens, about 18 inches. P. polyblepharum averages two feet in height but can become larger and is another garden option.
                                              --------------------
                                              References:
                                              Mickel, J. (1994). Ferns for American gardens. New York: Macmillan.
                                              Olsen, S. (2007). Encyclopedia of garden ferns. Portland, OR: Timber Press.

                                              Polystichum tsus-semense

                                               Polystichum tsussemense P tsu 2



                                              Photo credit: Kathie Russell

                                              San Diego Fern Society Officers

                                              President
                                              Kathie Russell klrkath@yahoo.com
                                              1
                                              st Vice President and Secretary
                                              Amna Cornett amnacarol@yahoo.com
                                              2
                                              nd Vice President
                                              Gary Bourne
                                              Treasurer
                                              Bill Ganger wganger@sbcglobal.net

                                              Directors

                                              Past President
                                              Don Callard dcallard@san.rr.com
                                              Board Members:
                                              Bruce Barry
                                              Bob Charlton kwyjibo@san.rr.com
                                              Richard Lujan
                                              Bill Mous

                                              Website

                                              http://www.sandiegofernsociety.com
                                              Webmaster: Bob Charlton kwyjibo@san.rr.com

                                              Membership

                                              The San Diego Fern Society is now taking dues for 2012 memberships. Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                              San Diego Fern Society
                                              2829 30
                                              th Street
                                              San Diego, CA 92104



                                              San Diego Fern Society Objects and Purposes

                                              The San Diego Fern Society was formed
                                              * to provide a source of information on ferns;
                                              * to arrange for people to study ferns together;
                                              * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                              The Society aims
                                              * to encourage all horticultural activities by example, education, exhibits, and donations;
                                              * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                              * to promote and stimulate interest in ferns;
                                              * to encourage and develop culture of various types and varieties of ferns;
                                              * to provide for the exchange and dissemination among Society members of information relating to the culture of ferns.


                                              MARCH FERN SOCIETY MEETING

                                              The March meeting of the San Diego Fern Society will be held Thursday, March 8, 2012. The Society meets in Room 101 of Casa del Prado in Balboa Park, San Diego, at 7:30 PM. This month only, the meeting is the second Thursday of the month.

                                              Amna Cornett took a walk in the park last month, in the Balboa Park Botanical Building. A short slide program of the botanical wonders on view there will be presented in March. This should inspire you to enjoy the fern wonders in our parks and backyards.

                                              Following the program, we will have our Spring Gardener's Sale. This is our opportunity to creatively reuse the gardening items many of us collect. These gardening treasures are too good to throw out, but we no longer need so many tools, decorative plant containers, aquariums, yard art and gardening books. Ferns and specialty plants may be sold also. (See instructions page 2)


                                              NEWS AND NOTES

                                              Membership Renewal Time

                                              $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment from January through December. See Bill Ganger to join or continue your membership through 2012.

                                              Refreshment Table

                                              March refreshments will be provided by Dick Ludwig, Bruce Barry and Bill Mous. The refreshments sign-up list for 2012 still has openings for future months. Also, consider taking a turn at being our refreshment host/hostess!

                                              Gardener's Sale in March

                                              Following a short program, the Fern Society will host a Spring Gardener's Sale! Your usable garden items can be brought to new life and at the same time augment the Society's treasury. Donated items will be sold, or you may sell by consignment.

                                              Donate or sell on consignment any of these:
                                              decorative, usable containers (no plastic nursery pots)
                                              terrarium containers, aquariums
                                              small water features
                                              tools in good condition
                                              gardening books
                                              small statuary or other garden art
                                              plant stands
                                              ferns and specialty plants

                                              Please note: no pesticides or toxic substances are allowed.

                                              Unsold items must go home with the seller; we have no extra storage space in the park.

                                              If your fern collection has expanded beyond its boundaries, you may donate some ferns to the sale or sell them on consignment. As always, make sure any plants you bring are in clean containers or mounted or bagged, trimmed and free of pests, and labeled.

                                              Consignment sales policy: Plants and sale items shall be clearly priced; two-thirds will go the seller and one-third to the San Diego Fern Society. Plants must be groomed and neat in appearance, in tidy pots or bags, and de-bugged, showing no pests, no ants! A correct plant name tag is desirable. Vendor shall provide an inventory list stating seller name, number and type of plants or other gardening items for sale and their retail price. To sell consignment items, check in with a board member in Room 101 at 7 pm.




                                              Name Tags

                                              You may order your own Fern Society name tag. Gary Bourne has clip-on or pin name tags available at the low cost of $6.


                                              Report on February Meeting

                                              February's meeting was a hands-on activity of interest to fern growers. Amna Cornett led us in a demonstration on growing from spores. She provided spores from a Lycopodium as well as some ferns, and prepared growing medium. We were able to try our hand at sowing spores, and then take home our own containers sown with spores. The containers should be kept in high light but not direct sun, and evenly moist. Now, we wait and watch for growth.

                                              Spore growing may take a few weeks to a few months to see results. The first growth may appear as a fine green haze. These containers should be watered with bottled water (labeled for distilled water use) or rain water. Tap water is not recommended as there is too much mineral content.

                                              Later the little plants develop, and can be carefully transplanted to containers, spreading the individual plants to allow room for growth.

                                              Further information on spore growing on page 5.

                                              Budget for 2012 was approved by the membership at the February meeting, as printed in the February Fern World.

                                              Planning Ahead: San Diego County Fair

                                              The Del Mar Fair is scheduled for Friday, June 8 through Wednesday, July 4, 2012. We again plan to have a container exhibit and a small landscape exhibit, both featuring ferns appropriate for San Diego area gardens. Our county fair effort has both financial and promotional value to the San Diego Fern Society. We are looking for landscape design ideas, and by participating in our displays, you can show your plants to the thousands of people who come to the fair.

                                              We expect to prepare and arrange the larger features in the exhibits on Saturday, May 26 and then set in the plants on Saturday, June 2. Mark your calendar, and plan to support our outreach at the fair. Take down is July 5.

                                              Fern World Format Change

                                              The board of the San Diego Fern Society decided to try a different printing format for the Fern World. We expect to use this for a few months and then evaluate it. This style makes the printed and emailed versions nearly identical, with email showing photos in color. The editor and the board would appreciate feedback from the membership regarding the type of articles you would like in the Fern World, whether you consider this format easy to read, and ideas to consider for the future. Let Kathie Russell or another board member know your thoughts, or email back to:

                                              sandiegofernsociety@gmail.com
                                              Fern Walk at the Botanical Building in Balboa Park

                                              According to Balboa Park Central, operator of the Balboa Park website, the Botanical Building with the Lily Pond in the foreground is one of the most photographed scenes in the park. Built for the 1915-16 Exposition, the historic building is one of the largest lath structures in the world. The Botanical Building plantings include more than 2,100 permanent plants, and feature fascinating collections of cycads, ferns, orchids, other tropical plants, and palms. This free display also presents seasonal flowers.

                                              On a rainy day in January about a dozen people, presumably tourists, were observed enjoying and photographing the botanical collection, commenting on its unique plants. Any time of year, this is a great place to bring your guests for fern viewing. The Botanical Building presents an abundance of ferns in outdoor display in all seasons. Early in February, Amna and friends toured the building with a special emphasis on the fern collection. Bill Mous photographed what we saw and we will present a brief photo tour for the March meeting.

                                              Mycorrhiza in Terrestrial Lycopodiums

                                              Several species of Lycopodiums grow in the United States, but they are not commonly cultivated. Many of these terrestrial Lycopodiums, also known as clubmosses, require special fungi called mycorrhiza in the roots and soil. The fungus may surround roots or even grow within roots, benefitting the plant with enhanced uptake of moisture and nutrients.

                                              Terrestrial Lycopodiums need an acidic environment, constant moisture and shade. John Mickel suggests that a highly acidic soil is needed (pH of 4.0 to 4.5). Hoshizaki and Moran report some success growing in oak leaf mold using aluminum sulfate to maintain acidity.

                                              For those who are growing Lycopodiums from spore, Amna will supply a bit of the native soil for you when your plants develop. According to the provided instructions, growth may take several weeks to several months.

                                              New York Botanical Garden has discussion available on their website:
                                              Hidden Partners: Mycorrhizal Fungi and Plants, by Matthew Pace

                                              http://sciweb.nybg.org/science2/hcol/mycorrhizae.asp

                                              Additional References:
                                              Mickel, J. (1994). Ferns for American gardens. New York: Macmillan.
                                              Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.

                                              What happens to those spores?

                                              According to John Mickel of New York Botanical Garden, a single fern plant commonly produces millions of spores in a season. So why isn't the world covered with ferns?

                                              Spores need a suitable place for germination, shaded with constant moisture and room to grow. When the spore absorbs water the single cell enlarges and turns green. A hairlike structure, a rhizoid, acts as a root to absorb water and minerals. The green cell divides, soon sending a filament with rhizoids into the soil. The cells divide to broaden the filament and a plantlet, called a prothallus, grows.

                                              Prothalli are generally heart-shaped and about one quarter of an inch across. The sex structures form on the lower surface of the prothallus. Tiny beadlike antheridia produce sperms, and a single egg cell develops in each tube-shaped projection called an archegonium. When one sperm "swims" in the moist environment to an egg and fertilizes it, the remaining archegonia become nonfunctional. The fertilized egg grows and divides, eventually forming roots and leaves. The process to produce a mature fern takes several months to as much as a few years.

                                              When growing spores in containers, proper moisture and light must be maintained over an extended period of time. Use care in transplanting the tiny plants and continue to protect them from drying out by keeping them in a sheltered environment. Eventually, if all goes well, you will have many new ferns for your own collection and to share with others. So, this process is a bit complex, but in nature somehow it happens!

                                              Reference:
                                              Mickel, J. (1994). Ferns for American gardens. New York: Macmillan.

                                              Pyrrosia in Balboa Park Botanical Building


                                              Photo credit: Bill Mous

                                              Pasted Graphic Pasted Graphic 1





                                              San Diego Fern Society Officers

                                              President
                                              Kathie Russell klrkath@yahoo.com
                                              1
                                              st Vice President and Secretary
                                              Amna Cornett amnacarol@yahoo.com
                                              2
                                              nd Vice President
                                              Gary Bourne
                                              Treasurer
                                              Bill Ganger wganger@sbcglobal.net

                                              Directors

                                              Past President
                                              Don Callard dcallard@san.rr.com
                                              Board Members:
                                              Bruce Barry
                                              Bob Charlton kwyjibo@san.rr.com
                                              Richard Lujan
                                              Bill Mous

                                              Website

                                              www.sandiegofernsociety.com
                                              Webmaster: Bob Charlton kwyjibo@san.rr.com

                                              Membership

                                              The San Diego Fern Society is now taking dues for 2012 memberships. Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:
                                              San Diego Fern Society
                                              2829 30
                                              th Street
                                              San Diego, CA 92104



                                              San Diego Fern Society Objects and Purposes

                                              The San Diego Fern Society was formed
                                              * to provide a source of information on ferns;
                                              * to arrange for people to study ferns together;
                                              * to encourage the use and enjoyment of ferns in gardens, patios, and the home.

                                              The Society aims
                                              * to encourage all horticultural activities by example, education, exhibits, and donations;
                                              * to interest people in the beauty & satisfaction to be found in garden, patio and home living;
                                              * to promote and stimulate interest in ferns;
                                              * to encourage and develop culture of various types and varieties of ferns;
                                              * to provide for the exchange and dissemination among Society members of information relating to the culture of ferns.

                                              Volume XXXVI, Number 3

                                              FEBRUARY FERN SOCIETY MEETING

                                              The February meeting of the San Diego Fern Society will be held Thursday, February 16, 2012. The Society meets in Room 101 of Casa del Prado in Balboa Park, San Diego, at 7:30 PM.

                                              Amna Cornett will lead us in an evening on growing from spores. Amna has acquired spores from a Lycopodium as well as fern spores of Pteris vittata. We will sow spores and everyone may participate. You will be able to take home a container or two sown with spores.

                                              There will be specific printed directions for Lycopodium spores, and instruction on growing ferns from spores.

                                              NEWS AND NOTES

                                              Membership Renewal Time

                                              $12.00 will pay for a single or a household membership in the San Diego Fern Society, covering your enrollment from January through December. See Bill Ganger to join or continue your membership through 2012.

                                              Refreshment Table

                                              February refreshments will be provided by Bill Ganger and Jay Amshey. The refreshments sign-up list for 2012 was circulated in January but there are still openings. Also, consider taking a turn at being our refreshment host/hostess!

                                              February 2012 Plant Table

                                              The plant table will feature ferns from our local supplier, and Gary Bourne brings us the best choices available. We are approaching spring and some new ferns will brighten your garden and your life!
                                              Looking Ahead to March

                                              In the month of March, the San Diego Fern Society will meet on the
                                              second Thursday of the month, March 8. A change from our regular meeting day happens occasionally to accommodate shows in Room 101 for other groups.

                                              For March we plan a Spring Gardener's Sale! Your usable garden items can be brought to new life and at the same time augment the Society's treasury. Donated items will be sold, or you may sell by consignment (details in next Fern World).

                                              February is a great time to search out gardening items that you no longer need. Plan to donate or sell on consignment any of these:
                                              decorative, usable containers (no plastic nursery pots)
                                              terrarium containers
                                              small water features
                                              tools in good condition
                                              gardening books
                                              small statuary or other garden art
                                              plant stands
                                              ferns and specialty plants

                                              If your fern collection has expanded beyond its boundaries, you may donate some ferns to the sale or sell them on consignment. As always, make sure any plants you wish to bring are in clean containers or mounted or bagged, trimmed and free of pests, and labeled.

                                              Please note: no pesticides or toxic substances are allowed.



                                              San Diego Fern Society Proposed Budget for 2012
                                              The following estimated budget is proposed by the Fern Society Board based upon experiences of recent years. Plan to attend the February meeting for discussion and vote.


                                              Proposed Budget --- Income for 2012

                                              Advertising $ 0
                                              Book sales 100.
                                              Donations 600.
                                              Dues 600.
                                              Hort. material 60.
                                              Interest Income 0
                                              Merchandise 0
                                              Name badges 0
                                              Other Non-Taxable Income 0
                                              Party Income 100.
                                              Plant Sales 300.
                                              Plant table income 500.
                                              Prizes & Awards (Fair) 1,250.
                                              Show Income 0
                                              Show Plant sales 3,000.
                                              TOTAL INCOME $ 6,510.

                                              Proposed Budget --- Expenses 2012
                                              Assn. Dues $ 0
                                              SD Botanical Soc. -75.
                                              SD Floral Soc. -35.
                                              Bank Charge -180.
                                              Books for sale -100.

                                              Exhibit expenses -300.
                                              Fees -20.
                                              Fern World Postage -400.
                                              Printing -1,100.
                                              Other costs -20.
                                              Gifts & Honors -100.
                                              Hort. supplies -50.
                                              Library Supplies -30.
                                              Books -50.
                                              Marketing 0
                                              Meeting plant cost -300.
                                              Name Badge Cost 0
                                              Off Budget 0
                                              Operating Exp. 0
                                              Party Costs -80.
                                              Program Speaker Fees -400.
                                              Refreshment Table Supplies -30.
                                              Sale Plants -150.
                                              Show expenses -250.
                                              Show Plants -1,800.
                                              Show PR Costs -50.
                                              Show Trophies, etc. -255.
                                              Storage Rental -450.
                                              Taxes, State -185.
                                              Web Page -100.
                                              TOTAL EXPENSES: $ -6,510.
                                              ---------------------------------------------------------------------------------------------------------------------
                                              2012 Budget Summary:

                                              Total income: $ 6,510.
                                              Total expenses: $ -6,510.
                                              Difference: 0
                                              ----------------------------------------------------------------------------------------------------------

                                              Meeting Report

                                              In January the society held its annual Platycerium Night, and several members participated in the program. Dick Ludwig provided Roy Vail's materials to the club, so we viewed a few slides of Platycerium andinum and a map locating where it grows naturally in South America. Dick had a good-sized P. andinum to show.

                                              Walt Meier provided most of the evening's program, and brought in several platys from his collection. He explained his basic growing techniques and showed some different forms and varieties. Noteworthy was his explanation of watering and his caution to avoid overwatering during the winter. Amna Cornett brought in a large P. hillii to divide, which is believed to have been grown from spore by Ray Sodomka and later nurtured by Robin Halley. This gave Walt opportunity to demonstrate how to cut up a large platy. At the end of the meeting there was a successful sale of donated and consignment platys.

                                              Report on December Nights

                                              The San Diego Fern Society participated in the 2011 Balboa Park December Nights, providing a decorated fern tree. Annually, San Diego Floral Association hosts this free show for the public in Room 101 in conjunction with December Nights. Various garden clubs and botanical groups display a tree in seasonal decoration, primarily using natural materials. Our fern tree is unique in that it is made using container ferns rather than a traditional evergreen tree. With a theme of "Through the Eyes of Children" our ferns were enhanced with simulated snowflakes and miniature white lights. Special recognition goes to Bart Keeran who prepared this display, as he has done for many years. Floral Association reports that over 16,000 persons enjoyed the room of decorated trees.

                                              Name Tags

                                              You may order your own Fern Society name tag. Gary Bourne has clip-on or pin name tags available at the low cost of $6.

                                              Planning Ahead: San Diego County Fair

                                              The Del Mar Fair is scheduled for Friday, June 8 through Wednesday, July 4, 2012. We again plan to have a container exhibit and a small landscape exhibit, both featuring ferns appropriate for San Diego area gardens. Our county fair effort has both financial and promotional value to the Fern Society. We are looking for landscape design ideas, and you can show your plants to the thousands of people who come to the fair by participating in our displays.

                                              We expect to prepare and arrange the larger features in the exhibits on Saturday May 26 and then set in the plants on Saturday June 2. Mark your calendar, and plan to support our outreach at the fair. Take down is July 5.

                                              A Word About Lycopodiums

                                              At our annual Fern Show in August you probably saw
                                              Lycopodiums. This category of plant is different than a fern. In the past Lycopodiums were grouped with some other spore-producing plants, such as Selaginellas, as the fern allies. However, that is no longer the case. For an explanation of these classifications, see A Natural History of Ferns, by Robbin Moran.

                                              There are about 400 species of lycopodiums with distinct growing areas. Most of the tropical species are epiphytic, hanging from trees. Some become quite large.

                                              Most of the temperate species grow in the ground or on logs in forest environments. They are informally referred to as clubmosses. Sometimes the terms "ground pine" or "running pine" are used, but these are not accurate as botanic designations. There is an apparent association of some lycopodiums with soil fungi, and many of these lycopodiums are indicated for acidic environments.

                                              Lycopodiums are found world wide, and in North America from Alaska and Canada into most of the United States. They are known in Humboldt County in Northern California, but not in Southern California. The spores we have to plant at the February meeting will be from a species which grows naturally in moist eastern US forests.

                                              References:
                                                San Diego Fern Society Officers

                                                President
                                                Kathie Russell klrkath@yahoo.com

                                                1st Vice President and Secretary
                                                Amna Cornett amnacarol@yahoo.com
                                                2nd Vice President
                                                Gary Bourne

                                                Treasurer
                                                Bill Ganger wganger@sbcglobal.net

                                                Directors

                                                Past President
                                                Don Callard dcallard@san.rr.com

                                                Board Members:
                                                Bruce Barry

                                                Bob Charlton kwyjibo@san.rr.com

                                                Richard Lujan

                                                Bill Mous

                                                Webmaster

                                                Bob Charlton kwyjibo@san.rr.com

                                                Membership

                                                The San Diego Fern Society is now taking dues for 2012 memberships. Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:

                                                San Diego Fern Society
                                                2829 30
                                                th Street
                                                San Diego, CA 92104

                                                Website

                                                www.sandiegofernsociety.com

                                                JANUARY FERN SOCIETY MEETING

                                                The January 2012 meeting of the San Diego Fern Society will be held Thursday, January 19, 2012. The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.

                                                This is the annual Staghorn Night. Our program will include video and interesting Platycerium information prepared by Roy Vail, author of Platycerium Hobbyist's Handbook. Come to learn and contribute as our local experts relate their experiences growing Platyceriums in San Diego.  Questions and observations will be welcome. Bring your favorite platy for show and tell.

                                                NEWS AND NOTES

                                                Refreshment Table
                                                January refreshments will be provided by Gary Bourne and Richard Lujan. A refreshments sign-up list for 2012 will be circulated at this month’s meeting. Consider being our refreshment host/hostess!

                                                January 2011 Plant Table
                                                The plant table will feature staghorn ferns. This month you may bring platys to donate or sell by consignment. See below for details. Bring a little extra cash for some great buys.

                                                Annual Platycerium (Staghorn) Night This month’s program is devoted to the species Platycerium, commonly known as staghorn ferns. Feel free to come with questions and contributing comments. We’d like to see your special Platycerium; bring it to the meeting and show it off. We all learn at this meeting.

                                                As an added feature the plant table will have stags for sale. Members are encouraged to bring in stags that they would like to sell or donate to the plant table. You will need to arrive at 7pm to check in ferns to sell. Please bring a list of the ferns you intend to sell by consignment, along with prices you have set on each fern. (Consignment fern sales remit 2/3 of the sale price to the owner and 1/3 to the Society.) Please label each sale fern with fern name, price, and seller name.

                                                You have the option to purchase plants each time your name is called by random drawing. Don't miss out on this great opportunity to obtain Platycerium species and varieties not normally available from nurseries.
                                                Take a winter walk in the park
                                                A special event is coming soon! Our own Amna Cornett will lead a walk in the Balboa Park botanical building, Saturday morning January 21. We will meet at the Botanical Building when it opens at 10 am to view the ferns and general plant collection in the lath house. There are many ferns growing and the collection is admired by visitors from around the world.

                                                If you enjoy photography please bring your digital camera. We will compile a slide show for a future Fern Society program. This walk is on paved level pathways and is completely accessible to all. There is free admission to the Botanical Building, so enjoy one of our little known city treasures! Guests are welcome. (Also on Saturday January 21 everyone can visit the free orchid show in Room 101. In case of extreme rainy conditions, we will reschedule for Saturday February 4, in which case we can visit the camellia show.)

                                                Membership Renewal Time

                                                Still a bargain, $12.00 will pay for a single or a household, covering your enrollment from January through December. See Bill Ganger or Amna Cornett to continue your membership through 2012.

                                                San Diego Fern Society Website

                                                Website work is a continuing project and we are open to suggestions. Please visit us at
                                                www.sandiegofernsociety.com

                                                The website still has the familiar extensive list of fern species with descriptions and growing conditions. This fern catalog was originally prepared by Bob Halley. Links have been added to the website for fern enthusiasts such as fern societies, sources for ferns and spores, lists of books about ferns, and some informative articles from previous Fern World newsletters.

                                                Also you may view photos of some ferns grown in our area, including some plants at the last fern show. Perhaps there is a photo of your fern show entry!

                                                Growing Platyceriums in San Diego

                                                adapted from 2011 meeting presentation by Don Callard

                                                It is always useful to review how Platyceriums grow. They are epiphytes with two types of fronds. The shield fronds grow against moss or other organic matter, and against a board or other support (in nature, a tree). They are green, eventually turning brown but remaining on the plant. The larger leafy fertile fronds extend outward from the growth point, often arching upward, then pendulant. These fronds with antler shape are the basis of the common name staghorn fern. There are brown spore patches on the underside of these fronds in a mature plant.

                                                Some species reproduce by forming pups, new growth points that can be separated to establish a new plant. Other species are not known to pup; thus new plants must be grown from spore, such as P. grande, P. superbum and P. coronarium.

                                                Don Callard suggests than any balanced liquid fertilizer (half strength) can be used monthly during the growing season, which for us is all year except late fall. The tradition of providing potassium to Platycerium plants by placing a banana or banana peel behind the shield fronds is not recommended since it encourages slugs and snails. In nature, debris falls into the plant, providing some nutrition.

                                                Water must get behind the shield fronds to the roots; spraying the front of the plant with a hose will not be adequate. Water drip lines may be placed into the shield fronds from above. Alternatively, small plants may be submerged in a tub of water for a few minutes, then hung to drain. Keep plants moist but not wet. Large plants need water less frequently. As the plant grows, shield fronds may turn around the board. Good drainage is important at the base, and you will want to maintain room for watering at the top of the plant. In nature it is common for Platyceriums to grow completely around a small tree trunk.

                                                Most Platyceriums thrive in bright shade. In contrast, P. veitchii seems to grow best in full sun. All the tropical species should be protected from cold. Plants of P. bifurcatum and other sub-tropical species grow well in coastal California outdoors with only the protection of trees or lath structures, and tolerate short durations of cold temperature down to 28 degrees F.

                                                Don Callard suggests that new growers start with P. bifurcatum, P. hillii, and P. veitchii.


                                                Quick reference tips for growing ferns in January


                                                  Platycerium andinum

                                                  All species of the Platycerium genus are found growing in natural habitats entirely in the Old World tropics with one exception. That is the Platycerium andinum, which is found in South America in the dry forests of the eastern Andes mountains, in Peru and Bolivia.

                                                  Platycerium andinum is a tall and slender plant. It forms massive clumps on trees. In nature the fertile fronds may grow more than 6 feet long. This species forms pups, but not freely and it is not a rapid grower. It tends to form shield fronds in early summer and fertile fronds later. The tips of fertile fronds may continue to grow after the spore patch has formed.

                                                  Tryon, R. and Tryon, A. (1982). Ferns and allied plants with special reference to tropical America. New York: Springer-Verlag.
                                                  Hoshizaki, B. and Moran, R. (2001). Fern grower's manual. Portland, OR: Timber Press.
                                                  Vale, R. (1984). Platycerium hobbyist's handbook. Mena, AR: Desert Biological Publications.

                                                  Calendar for 2012


                                                  Fern Society Meeting Dates

                                                  January 19
                                                  February 16
                                                  March 8 (second Thursday)
                                                  April 19
                                                  May 17
                                                  June 21
                                                  July 19
                                                  August 16
                                                  September 20
                                                  October 11 (second Thursday)
                                                  November 15
                                                  December 20


                                                  This year most meetings will be on our usual third Thursday. Only two months have changes. In March and October we will meet on the second Thursday. We will be reminding you of these two changes in the Fern World and at meetings. Mark your calendar so that you can arrange to attend each meeting of 2012.


                                                  Officers
                                                  President Kathie Russell klrkath@yahoo.com
                                                  1
                                                  st Vice Pres Amna Cornett amnacarol@yahoo.com
                                                  2
                                                  nd Vice Pres Gary Bourne
                                                  Treasurer Bill Ganger wganger@sbcglobal.net

                                                  Directors
                                                  Past President Don Callard dcallard@san.rr.com
                                                  Board Members Bruce Barry
                                                  Bob Charlton kwyjibo@san.rr.com
                                                  Richard Lujan
                                                  Bill Mous

                                                  Webmaster
                                                  Bob Charlton kwyjibo@san.rr.com

                                                  Membership
                                                  The San Diego Fern Society is now taking dues for 2012
                                                  memberships. Bring $12 cash or check (payable to San Diego Fern Society) to a meeting or mail to:

                                                  San Diego Fern Society Membership Chairman

                                                  2829 30
                                                  th Street
                                                  San Diego, CA 92104

                                                  Website
                                                  www.sandiegofernsociety.com

                                                  DECEMBER FERN SOCIETY MEETING

                                                  The December meeting of the San Diego Fern Society will be held on Thursday, December 15, 2011. The Fern Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 p.m. This month we start early, at 6:30 p.m for the annual Holiday (Christmas) Party and general election. Plan to come enjoy the company of fellow ferners, good food and festivities. Come at 6 p.m. to set our your pot-luck dish.

                                                  December Holiday Party
                                                  The San Diego Fern Society’s party is on December 15, for $3. each. (see Bill Ganger to pay). Delicious Ham, Turkey, dressing and gravy will be provided, as well as beverages, rolls & butter. Please bring a side dish or dessert (with serving utensils) to feed 8-10 people, and we request that you bring your own plates, glasses, napkins and silverware. Doors open at 5:30 for set-up and the party begins at 6:30. Come at 6:00 to set out food. Each family there will also receive a 6” fern.

                                                  NEWS AND NOTES

                                                  Membership Renewal Time
                                                  The annual membership fee for 2012 is now $12.00 for a single or household membership. This covers your enrollment from January through December. Please see Bill Ganger or Amna Cornett to renew your membership for the 2012 year.

                                                  Plant Table
                                                  There will be a free 6” Fern for each family present at our holiday party. Come celebrate the joys of the season with us.


                                                  At Christmas Time
                                                  This time of the year is spent in good cheer, and neighbors together do meet,
                                                  To sit by the fire, with friendly desire, each other in love to greet.
                                                  Old grudges forgot are put in the pot, all sorrows aside they lay;
                                                  The old and the young doth carol this song, to drive the cold winter away.
                                                  John Updike

                                                  NOMINATION COMMITTEE NEWS
                                                  Bart Keeran and Yolanda Lujan, nomination committee, presented this slate of nominees for the 2012 year to the Society at the Nov. meeting, and members voted to close nominations. Members will vote on these at the December meeting, our Society’s Annual Corporate Meeting, which includes election and installation of officers for 2012.
                                                  Officers President Kathie Russell
                                                  st Vice President (program chairman) Amna Cornett
                                                  2
                                                  nd Vice President (plant procurement) Gary Bourne
                                                  Treasurer Bill Ganger
                                                  Secretary (open)
                                                  Directors Past President: Don Callard
                                                  Board Members: Richard Lujan, Bill Mous,
                                                  Bruce Barry, Bob Charlton.

                                                  Calling All Writers
                                                  The editor of this newsletter is retiring after 3 years of publishing
                                                  The Fern World. We will need your input to make the coming issues interesting. Please share your good ideas about ferns with us. Our readers welcome new material. Let someone know, and you could soon be “in print!”

                                                  Ferns A to Z

                                                  We have come to the end of our Alphabet of Ferns. In today’s issue we will discuss Tree Ferns, then finish with some “T” ferns, a V, and a couple of “W” Ferns. Of course there are many more, and much can be learned from a good fern manual or encyclopedia.

                                                  Tree Ferns

                                                  The designation “Tree Fern” includes most ferns where the fronds form a whorl at the top of a tall, erect stem. These include a wide diversity of genera, including Sadleria, Blechnum, and Ctenitis in the Polypody group; Dicksonia, Cyathea, Sphaeropteris (also called Alsophila when referring to the Australian Tree Fern), and Cibotium. Diplazium esculentum is also sometimes considered a tree fern because of its growth pattern.

                                                  Tree ferns of the Cyathea and Dicksonia families as well as some of the Blechnum species are generally found in the relatively cool and constantly moist upland areas of the tropics. The Cyathea and Dicksonia families include about 700 species, but fewer than 50 have been attempted for cultivation in the United States and Europe.

                                                  The Australian species of tree ferns do generally better in Southern California, while the West Indian species do best in Florida. Tree ferns (like most other ferns) should be planted in well-drained soil. Add peat and sand to heavy soils or to replace the clay. Strong winds can be hard on tree ferns. Sites that permit constant dripping of water into the crown of the plant should be avoided. Planting a tree fern on the east or north side of your house will give it a little protection from the full afternoon sun but lots of air movement.

                                                  Remember to leave head-room for your tree fern. Many of the species get quite tall and wide. The Australian Tree Fern, for example, can grow to 20-30 feet tall with fronds 20 feet across on a mature plant. Some tree ferns can be shortened in height by severing their trunks and lowering them down into the ground (Sphaeropteris cooperi, Cibotium glaucum, Cibotium menziesii, and Dicksonia antarctica for example). However, this is quite risky, requiring you to cause roots to grow on the trunk just above the point where you’re cutting it off. This is done by wrapping the trunk with moss several months before you plan to cut and hoping that new roots will grow into the damp moss. Ample humidity and warmth assist this process.

                                                  The Australian Tree Fern is the most commonly grown tree fern. S. medullaris, the Black Tree Fern, is highly prized for its black scales that cover trunk and stipes, and its long, arching fronds. The S. horrida, or Blond Tree Fern, is a slow grower which has dense light colored scales which give it a golden look. Best planted under a tall tree that provides protection from the wind, this fern grows in sun or shade in southern California, in southern Florida, and in conservatories in cooler areas. The Australian Tree Fern can tolerate frost and short periods of freezing temperatures, although the foliage may die back. The fronds are dropped about twice a year, usually accompanied by a heavy discharge of spores.

                                                  The New Zealand Tree Fern (Dicksonia antarctica) is the second most frequently seen. It is semi-hardy to semi-tender can endure 20 degrees F. with stiffer, shorter, narrower, and more numerous fronds than those of the Australian Tree Fern. The crown of the foliage reaches about 12 feet across. It grows about one-third as fast as the Australian Tree Fern. Alsophila tricolor is a beautiful tree fern with long arching fronds that have whitish undersides. It is one of the national symbols of New Zealand.

                                                  Smaller tree-fern species in cultivation include Blechnum gibbum and Blechnum brasiliense. These are medium-sized plants but they form short, trunk-like stems. They are semi-tender to tender. The Diplazium esculentum has naturalized in Florida and grows there and in California. It is also considered by many to be a small tree fern, forming a slender, erect stem. Cibotium and Sadleria species imported bare-root from the Hawaiian Islands develop medium to large sized ferns with a somewhat more irregular shape than the Australian or New Zealand Tree Ferns. These ferns grow more slowly than the Australian Tree Fern, but are more graceful in form. Ctenitis sloanii, known as the Florida Tree Fern, grows to about 4 feet tall, with delicate multi-pinnate fronds. The bases of the stipes are covered with a tuft of reddish scales.

                                                  Fern growers appreciate Cibotium glaucum, known as Hapu, for another reason. After this fern dies, its trunk can be cut into sections and when hollowed out they make Hapu plant containers that many of us use. And each tree fern genus has a distinctive stipe pattern that develops on the trunk as old fronds are shed and the fern grows tall. Begin to look closely at the trunks of the tree ferns you see, and you will begin to recognize differences. These unusual and attractive ferns deserve our attention and admiration.

                                                  Last of the A to Z Ferns

                                                  Tectaria natives to the tropics and subtropical regions, are challenging to grow. Often Tectaria need to be in a container in the house or in a greenhouse, where they can have high humidity, and abundance of water, and protection from the cold. Many of the 150 species have attractive, netted veins. Tectaria gemmifera, the Button Fern, is most common, with two-pinnate-pinnatilobed fronds which bear buds easily germinated. The T. zeylanica (or Quercifilix zeylanica) from Asia has small, oak leaf shaped fertile fronds and tall, erect fertile fronds, and is lovely in a terrarium.

                                                  Thelypteris has over 1000 species found in the West Indies, tropical Americas and eastern North America. Thelypteris are medium-sized terrestrial ferns with one pinnate-pinnatifid blades. They grow easily and can overtake an area. Scaly rhizomes can be erect or creeping. Round sori shed spores which establish rapidly. Many Thelypteris are hairy, and fronds feel soft. T. dentata often has purplish stipes. Some like boggy condi-tions, while others do well in moist/dry soil. T. nevadensis is found in the northwestern U.S. The T. kunthii, Southern Shield Fern or Southern Wood Fern, from tropical America, has creeping rhizomes and long hairs on the undersides of the triangular fronds.

                                                  Todea is one of the oldest fern genera, a member of the family Osmundaceae. There are only two species. The most familiar is Todea barbara, the King Fern, found in Australia, New Zealand and South Africa. In the wild T. barbara can develop a stout, heavy trunk up to 3 feet tall and a diameter of nearly a foot, with perhaps several crowns of fronds up to 6 feet long. In cultivation it is usually smaller. With stipes shorter than the blades, it has a heavy, squat appearance. Bipinnate fronds reach up to 8” long. The sporangia, shaped like little round balls, form on pinnules near the base of the primary pinnae and bear green spores. T. barbara prefers to keep its feet damp. Slow growing and long lived, it does best in fairly open shade.
                                                  Vittaria The Ribbon Fern, has long, pendulous simple fronds that can reach up to 32 inches in length. A native of the tropic regions from Africa to Indonesia and Australia. The three most commonly known are Vittaria elongata, V. ensiformis, and V. lineata, the Shoestring Fern. V. scolopendrina has dark green fronds that are broader than the others and has a prominent mid vein. In the wild the Vittarias are often epiphytic, growing on rocks or trees. Cultivated forms show off best in containers or baskets when given shade, humidity and air movement.

                                                  Woodsia Cliff Ferns, are small clumping ferns commonly found growing among rocks in cool, temperate regions of the Northern Hemisphere. Woodsia obtusa prefers alkaline soil, while W. polystichoides requires loamy, acid soil. W. ilvensis, the Rusty woodsia, has many rusty-colored hairs and scales along stipes and blades. Its blades are one pinnate-pinnatifid to two pinnate, looking small and delicate in rock gardens.

                                                  Woodwardia Members of this genus are called the Chain Ferns because the sori, although lying along both sides of the mid-vein of the back of the fertile pinnules, are divided into a series of short segments giving the effect of a chain. They are basically northern hemisphere plants, most of them being temperate to semi-hardy. Kay lists three members of the family as being suitable for outdoor growth in temperate climates. They are medium to large-sized terrestrials with long, creeping rhizomes and fronds that are pinnate-pinnatifid. Some are di-morphic. Two are easy to grow and well known in this area: Woodwardia fimbriata and W. radicans. Both develop best in moist, partially shaded areas. W. fimbriata, the Giant Chain Fern, has fronds up to 80 inches long, and needs lots of room. W. radicans, a native of Europe, also has fronds up to 80 inches long. Its large bulbils on the ends of the fronds may be pinned down to help produce new plants.

                                                  References:
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Encyclopedia of Ferns, Jones, 1987.
                                                  Fern World Articles, B. and R. Halley, 1986, 1988, 2000.




                                                  San Diego Fern Society Officers
                                                  Officers
                                                  President Kathie Russell
                                                  klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (Position Open)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard
                                                  dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen
                                                  sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2012 dues ($12.00 individual or
                                                  family) at a SDFS meeting or mail a check (payable to the San Diego Fern Society) to:
                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street, San Diego, CA 92103


                                                  Addresses
                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com

                                                  Volume XXXV, Number 12


                                                  The purpose of the San Diego Fern Society
                                                  is to promote an interest in ferns
                                                  and the enjoyment of them.
                                                  The Fern Society provides information
                                                  about the various kinds of ferns, their culture and care,
                                                  and sources—both commercial and
                                                  by member exchange—for obtaining ferns.


                                                  Merry Christmas and Happy New Year

                                                  NOVEMBER FERN SOCIETY MEETING

                                                  On November 17, 2011, the program will be presented by Walt Meier. He will show us scenes from coastal areas of the Pacific Northwest. Ferns are abundant from the redwood forests to the Olympic rain forests and into British Columbia. Walt will share photos and experiences ferning in these green and often rainy temperate climate forests. The Fern Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 p.m.


                                                  NEWS AND NOTES

                                                  Refreshment Table
                                                  November provider will be Gary Bourne, Martin Dominguez and Sherry Worthen.

                                                  Plant Table
                                                  The November plant table will have some interesting ferns. Since cooler weather has come with some rain, ferns can be eased into your garden before winter.

                                                  Calling All Writers and Wanna-bes The editor of this newsletter is looking for people interested in helping with publication of the Fern World. Share your good ideas about ferns with us. Our readers welcome new material. Let someone know, and you could soon be “in print!”

                                                  Officer Nominations The 2012 suggested slate from our Nomination Committee, Bart Keeran and Yolanda Lujan, will be presented at the November meeting. You may also nominate someone (with their prior assent) from the floor. The list will then be closed, and voted upon at the December holiday party meeting. We need each member’s input.

                                                  December Holiday Party This year’s party is on Dec.15, for $3. per person (see Bill to make reservations & payments). Ham and turkey will be provided by the society, as well as beverages, rolls & butter. Please bring a side dish or dessert to feed 8-10 people, your own plates, glasses, napkins and utensils. Doors open at 5:30 for set-up and the party (with music and song!) begins at 6:30. Help “deck the halls” with a floral table centerpiece.

                                                  Membership Dues: A Change for 2012 The San Diego Fern Society board has voted to raise the annual dues for 2012 to $12.00 per person or household. See Bill Ganger, our treasurer, to renew your membership for the year 2012. We appreciate your loyalty, friendships, and investment in the San Diego Fern Society.

                                                  A Special Birthday Best wishes are extended to Elizabeth Glover for attaining her 90th birthday this month. A Very Happy Birthday, Elizabeth!

                                                  December Nights Celebration in Balboa Park Dec. 2-3 This is an annual free event, with music, delicious foods, and a live Nativity tableau at the Organ Pavilion. Casa del Prado’s Room 101 has a fragrant display of Christmas trees decorated by the various plant societies. Our Fern Society “tree” is constructed entirely of live ferns. Hours are Friday 5–10 p.m. and Saturday from Noon to 10:00 p.m. Go early!

                                                  Heap high the farmer’s wintry hoard!
                                                  Heap high the golden corn!
                                                  No richer gift has Autumn poured From out her lavish horn.
                                                  John Greenleaf Whittier


                                                  Ferns A to Z

                                                  We have come to the letter “Q,” for the “Quirky and Quaint” ferns that are unusual or unconventional. We will look at Aquatic Ferns, Filmy ferns and Xerophytic ferns. An “R” and an “S” fern will round out this month’s A to Z.

                                                  Aquatic Ferns (Water Ferns)

                                                  Azolla (Mosquito Fern) and Salvinia are the easiest aquatic ferns to cultivate. They have simple plant structures, with leaves arranged in whorls around a floating or horizontal rhizome. Azolla bears roots on its rhizome; Salvinia does not. Azolla has small (1/32 inch), bi-lobed, crowded leaves. In a terrarium it may densely pile up upon itself. Outdoors these floating ferns can smother out other plants in a pond unless controlled.

                                                  Bolbitis, found in Africa and Asia, has 4 aquatic species out of 85. Bolbitis has erect, pinnate leaves evenly spaced along creeping rhizomes which attach to rocks or fallen logs. B. heudelottii grows slowly at first, then takes off and needs to be annually divided. Water movement helps prevent algae infestation.

                                                  Ceratopteris has 4 species that grow floating or anchored in shallow water. They have rounded to lobed leaves and may put out plantlets along the leaf margins. Ball-shaped sporangia may develop into young plants as the leaves mature, die, and fall into the water. C. thalictroides is the most common, now naturalized in Florida. They prefer clean water, and do not mind very hot water in a greenhouse. Like other aquatic ferns, Ceratopteris need to be thinned periodically.

                                                  Equisetum (Horsetail) has two aquatic species native in northern temperate zones. Reminiscent of bamboo, these large plants have erect jointed stems with inconspicuous, scale-like leaves. A rounded cone at the top of the stem bears the sporangia. Too large for most home aquariums, Equisetum makes a good plant for an ornamental pond.

                                                  Isoetes (Quillwort) and Pilularia are uncommon aquatic ferns found in temperate areas. Isoetes has rounded leaves arising from an attractive central rosette. Pilularia is a small creeping fern with simple, undivided leaves. Its young fronds emerge from tight fiddleheads typical of other ferns. Both are difficult to have in cultivation.

                                                  Marsilea (Water Clover) The 65 species of Marsillea in tropical and subtropical areas of the world. Marsilea typically has four leaflets resembling clover leaves, though submersed forms often show only one leaflet. Most require an emergent period to produce sporocarps. M. drummondii is a hardy species, will tolerate hard water, and is currently available. Curtright uses M. quadrifolia and M. crenata around the margins of natural bottomed ponds, because they make a dense mat as far away as 6 feet from the pond when the soil stays damp. Regnellidium, a similar aquatic plant, has bifid leaves, needing cooler conditions (and interestingly, is the only non-flowering plant that produces latex!). Both Regnellidium and Marsilea need thinning out occasionally.

                                                  Microsorum originates in SE Asia . Only some of the 60 species are aquatic. They have simple leaves, three to five lobed. M. pteropus is the most widely sold, with the common name Java Fern. Some have tall (up to 18”), leaves, broad or narrow. A smaller variety has short (6”) narrow leaves which are darker in color. Tropica (in Denmark) has registered an extremely decorative variety named M. Tropica, which grows long extensions along the leaf margins. Permission from Tropica is required to reproduce M. Tropicana commercially. All Microsorums are beautiful, hardy, low-maintenance aquarium plants.

                                                  Semi-aquatic Ferns will grow in wet conditions or standing water temporarily but do not like to be always submerged. These include some of the Dryopteris, Adiantum, Onoclea, Thelypteris, Athyrium, Woodwardia, Osmunda, Leptopteris and Todea. Such semi-aquatic ferns would do well by a garden pond or in acidic, loamy soil with lots of water.

                                                  Xerophytic Ferns


                                                  Xerophytic Ferns (Xerics) are ferns that live in very arid places. Though difficult to classify, they are found on every continent where ferns are found, except Antarctica. Some are found in the true desert; others may be found on cliffs or open hillsides; but all survive where there is bright light and usually very little rainfall. An outline in Flora of North America (web address below) lists some 40 genera worldwide in the family Pteridaceae. The largest group is Cheilanthes, with about 150 species. Notholaena, Pellaea, Astrolepis, Argyrochosma, and Pentagramma are also familiar xeric genera (there are others in the U.S. and other countries---too many to list.)
                                                  How Do Xerics Survive in Dry Places? Here is a brief list of physical adaptations: 1) thickened skin; 2) hairs, scales, wax on fronds, stipes and rhizomes to control humidity & reflect away light; 3) finely dissected or narrow pinnules; 4) long roots; 5) rapid growth; 6) early reproductive maturity; 7) spores that remain viable over long, dry periods; 8) plants can curl up with spores outside; 9) controlled dehydration---xerics can increase or decrease transpiration; 10) apogamy---ability to reproduce asexually, without fertilization.
                                                  Growing Xerics in a Garden. True xeric ferns are seldom available in local nurseries, but may be ordered from Fancy Fronds or Foliage Gardens nurseries in Seattle. Try trading xeric “starts” with fern friends. Conditions Needed. Xerics prefer locations with partial sun (near a rock is ideal) and good drainage but not long-term drought. Use volcanic rock or coarse sand mixed with gravel---any mix which will drain quickly. Though xerics have adapted to arid conditions they are happier with regular watering; just have good run-off from the sub-strata---no standing water on roots. If planted in containers, use a deeper pot with more drainage holes. Fertilize sparingly. Determine xeric fern needs: acid or basic soil (Use reference books. Online you can see the full text of Flora of North America, vol.2, Pteridophytes...1993, and read more about the xerophytic ferns at http://hua.huh.harvard.edu/FNA/)

                                                  Filmy Ferns

                                                  Filmy Ferns (“filmies”) are small to medium members of the genre Hymenophyllacea, in two main branches: Hymenophyllum and Trichomanes (@ 300 species each). Filmies live especially in tropical cloud forests of Malaysia, Hawaii, New Zealand, Australia, Indonesia, coastal British Columbia, and tropical America. Here their thin leaves can always stay moist, since their pennae are only one cell thick (except for the veining). Colors vary: yellow-green to dark green or greyish. Filmy ferns generally live on moist hosts: mosses and liverworts on tree trunks, dripping rock faces, or wet ground in deep shade with plenty of moisture. The Cardiomanes reniforme is a beautiful New Zealand filmy fern which has kidney-shaped leaves with sori around the margins. In Panama Robbin Moran saw a Trichomanes elegans, whose brilliant, metallic blue-green iridescent leaves seem to help the plant absorb more red light for photosynthesis in the shadowy forest. [www.sandiegofernsociety.com has more about Filmy Ferns. Select the July 2009 issue of Fern World.]

                                                  Finally, one “R” and one “S” fern

                                                  Rumohra adiantiformis (Leather Fern) An easily grown fern from the temperate to semi-tropical regions of Africa, Australia, New Zealand, Polynesia, and South America. It is medium sized, with broad, dark green, thick, triangular 3-pinnate fronds. The Cape form from Africa is the one commonly grown here. And a cultivar, R. adiantiformis 'Santa Rosa.' Rumohra fronds are widely used florists because they last after cutting.
                                                  Stenochlaena Stenochlaena (five species) have long rhizomes which scramble or climb on vegetation or trees. These dimorphic ferns have one pinnate sterile fronds with many pairs of close-set, toothed pinnae. The long, narrow fertile pinnules are covered with sori on their undersides, causing the pinnae to contract and swirl in feather-like fashion. The most common species, S. tenuifolia, is a fast, strong grower here. Stenochlaena like sunlight and water, and often are seen growing in swamps.
                                                  References:
                                                  “Aquatic Ferns,” Curtright, David. Fern World, May, 1993.
                                                  “Aquatic Horticulture,” Randall, Karen.
                                                  Fern World, July, 2004.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Fern World Articles, B. & H. Halley, 1992, 2004, 2010.


                                                  San Diego Fern Society Officers

                                                  Officers
                                                  President Kathie Russell klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (Position Open)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                  Webmaster Thomas Charlton kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2012 dues ($12.00 individual or
                                                  family) at a SDFS meeting or mail a check (payable to the San Diego Fern Society) to:
                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street, San Diego, CA 92103

                                                  Addresses
                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com

                                                  Volume XXXV, Number 11


                                                  The purpose of the San Diego Fern Society
                                                  is to promote an interest in ferns
                                                  and the enjoyment of them.
                                                  The Fern Society provides information
                                                  about the various kinds of ferns, their culture and care,
                                                  and sources—both commercial and
                                                  by member exchange—for obtaining ferns.

                                                  OCTOBER FERN SOCIETY MEETING
                                                  On October 20, 2011, the program will be a photo tour of a private north county estate garden, Many rare species of tropical and subtropical plants, palms from around the world, and ferns are grown in this garden. It is a prized local collection not normally seen by the public. Gather ideas for your own garden! The Fern Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 p.m.

                                                  NEWS AND NOTES

                                                  Refreshment Table
                                                  October refreshments will be provided by Bruce Barry, Bill Ganger, and Sherry Worthen. Tell a board member if you’d like to be a host.

                                                  Plant Table
                                                  The October plant table will have some lovely new ferns and several varieties of ferns which were offered on the recent show sales tables. Perhaps bring some fern starts to sell that you’ve divided recently.

                                                  Calling All Writers and Wanna-bes
                                                  Do you have a good idea for an article or a beautiful fern you would like to brag about? The Fern World welcomes new material. Let someone know, and you could soon be “in print!”





                                                  A QUOTE FOR AUTUMN DAYS
                                                  O World, I cannot hold thee close enough!
                                                  Thy winds, thy wide gray skies!
                                                  Thy mists, that roll and rise!
                                                  Thy woods, this autumn day, that ache and sag

                                                  And all but cry with color!

                                                  Edna St. Vincent Millay


                                                  Ferns A to Z

                                                  Our review of ferns has come to the letter “P, ” and there are many ferns in this group. Some may be in your garden.

                                                  Pellaea Cliff Brake. These mainly small ferns are commonly called cliff brakes because of their propensity for growing among the rocks and cliffs. There are about 80 species of the genus worldwide. They are adapted to survive in dry climates (xerophytic). The fronds are usually fishbone-like in appearance and the new fronds resemble a shepherd’s crook. Usually the stalks (stipes) are hard and polished, with a generally polished appearance to the leaves. The most commonly seen member of this species is P. rotundifolia, the Button Fern, a good plant for small spaces as it only grows 12-18 inches tall. It is often dark green and has round, slightly leathery “button-like” leaves attached to slender stems. P. falcata, the Australian Brake Fern, is also available here.

                                                  Pellaea andromedifolia, the Coffee Fern, P. atropurpurea, the Purple Rock Brake, and P. mucronata, the Bird’s-Foot Fern, are natives to California, Baja, and Central America. They can be found growing among noncalcareous (no calcium) rocks. P. cordifolia has unique tan stipes and rachises, as does P. ovata, another native to the Southwest, Texas and the West Indies. The stipes and rachises of P.ovata have a distinctive zigzag appearance. Both P. cordifolia (with round or heart-shaped leaves) and P. ovata (with oval shaped leaves) have fronds that can become quite long and may tangle unless given support. Pellaeas grow best in a well-drained soil with medium to high light. Be careful not to over water, since Pellaeas prefer to be on the dry side of moist.

                                                  Phlebodium Rabbit’s-foot fern, Bear’s-paw fern, so named for its long, furry-looking rhizomes. Medium to large ferns closely related to Polypodiums, native to tropical America, with frond colors ranging between gray-green to blue-green. Seen often in hanging baskets. P. aureum has deeply lobed long narrow fronds and irregular rows of sori. Cultivars such as P.aureum ‘Mayi,’ ‘Man-daianum,’ ‘Cristatum,’ and ‘Ekstrand’ have ruffled or fringed leaves. P. pseudoaureum has stiffer fronds and has its sori in neat rows, one along each side of the costa in the center of the blade. P. pseudoaureum ‘Mexican Tasseled’ has frond tips like can-can skirts.

                                                  Phyllitis Hart’s Tongue Fern. Native to North America, Europe and Asia. Named from phyllos, Greek for leaf or fern. Of the 5 species, only the European Phyllitis scolopendrium is common. This small, distinctive fern has simple, entire blades with longish, pencil lead-shaped, paired sori. P. scolopendrium has many cultivars with frilly, crested, wavy or irregular margins. In the 1800s a British grower had identified 445! (Hoshizaki) P. scolopedrium ‘Kaye’s Lancerate’ has dramatic, deeply serrated, ruffled edges. These ferns prefer low moist to dry soil (may get root-rot), and will do well under low light.

                                                  Pilularia (Pillwort), is an Aquatic fern. Pentagramma and Pityro-gramma are Xerophytic ferns. These groups of ferns are scheduled to be described in the November issue. Tune in next month!

                                                  Platycerium Staghorn Fern, Elkhorn Fern. Yes, these are definitely in the “P” group of ferns and a favorite of many. That is why our January meeting each year is Platycerium night with a program on this genus. And each January the Fern World features Platys. To learn more, go to www.sandiegofernsociety.com (click on previous Fern World issues for Januarys, or choose Platyceriums on the plant list) and read to your heart’s content, staghorn lovers!

                                                  Polypodium “. . . probably the most widely known ferns.” (Hoshizaki) There are around 125 species, mainly growing in the American tropics. Polypodium means ‘many-footed,” referring to the rhizomes that characterize this genus. Most cultivated Polypodiums are epiphytes and grow best with good drainage and ventilation. Many of the Polypodium species are tender or semi-tender, and must be grown indoors or in greenhouses, unless the climate is mild.

                                                  Botanists often attempt to separate the many
                                                  Polypodiums into homogeneous subgroups. Hoshizaki lists around 15 genera for most Polypodies, including Campyloneurum, Goniophlebium, Lecanopteris, Goniophlebium, Microgramma, Microsorum, Niphidium, Pleopeltis,Selliguea, and Polypodium. Another breakdown of three groups is used to further identify placement of ferns within the Polypodium genus: the Vulgare group (free veins, one row of sori, et.al.), the Loriceum group (rarely simple blades, scaleless surfaces, et.al.), and the Scaly-Polypody group. She adds that fertile fronds and a microscope are often still necessary for accurate identification. [I’ll say!]

                                                  Here are few of the most commonly grown
                                                  Polypodiums. A very attractive one is the Polypodium formosanum. From whitish rhizomes the 12-14” light grey-green pinnatifid fronds gracefully rise up. A small fern, the P. glycyrrhiza grows in Asia and coastal western U.S. The rhizome has a distinctive licorice taste. P. bombycinum, rather epiphytic in the wild, has branched rhizomes from which grow narrow lanceolate fronds, thickly scaled on the lower surface. P. menisciifolium is a medium sized fern with one pinnate fronds. It is easy to grow. P. polypodioides, the Resurrection Fern, has slightly sunken sori which appear raised on the upper frond. In the southern U.S. this fern is allied with the live oak. In dry weather the fronds will curl up and appear dead until moisture revives them. P. virginianum is a small Polypody with thin leathery fronds. It is native to eastern N. America. A polypody with many cultivars is the P. vulgare, a native of Europe. Its fronds are flat, and the pinnae are usually all equal in length.

                                                  Most species of
                                                  Polypodium prefer indirect light. The best soil for Polypodiums is a loose humusy mix. Some growers will plant some species in pure peat moss or sphagnum moss. Those plants in this group which have creeping rhizomes should be repotted when their rhizomes creep all the way out of the pot or tub or are getting overgrown within the pot. By planting Polypodiums in a basket or hapu pot where the rhizomes can root as they go along, you can avoid having to replant as often.

                                                  Polystichum Shield Fern. Hardy, leathery, small to medium sized ferns, which grow in a crown or cluster of foliage above an erect rhizome. The 175 species are spread worldwide in temperate growing regions. Some species grow plantlets on the stalk that can be grown into new plants. P.tsus-simense is a lovely dwarf species that comes from China. Its two-pinnate, dark green, triangularly shaped fronds have an airy, graceful appearance. P. setosum is a semi-hardy species from Japan that has a variety of cultivars with fronds from droopy to plume-like to overlapping & congested. P. setiferum (Soft Shield Fern) is very common. Its new croziers are covered with glistening white scales which brown as the frond matures. Cultivars of this fern have tasseled, crested, or congested fronds.

                                                  Polystichum dudleyi is a native to California. The two pinnate leaves have serrated edges and scales on the undersurfaces. It is slow-growing and prefers a cool, moist climate. Several other species are found in northern California, such as P. scopulinum (Western Holly Fern), P. lonchitis (Northern Holly Fern), and P. munitum (Western Sword Fern). P. munitum is a good plant to grow in deep shade.

                                                  Polystichums like moist to dry-moist growing conditions, meaning they need a well-drained soil. They generally grow best in medium light conditions, such as open shade.

                                                  Pteris Brake Ferns. These ferns range from small to large. The @250 species are found in tropical/subtropical areas of the world. Some species have naturalized in the Southeast. Pteris are less frilly and grow in clusters. The are often used as table ferns.

                                                  Pteris cretica (Cretan Brake) and its numerous cultivars are common here. In Crete it grows on shady limestone walls in high humidity and rain. Some common cultivars are Pteris cretica ‘Albolineata,’ ‘Parkeri,’ and ‘Wilsonii.’ Pteris tremula is also sold commonly here, It is 2-4 pinnate-pinnatifid, and is the finely-divided exception to most Pteris species. Pteris quadriaurita (Silver Brake) is large, with a silver band down the center of each frond. It likes moisture and open shade. P. vittata (Ladder Brake) is a fast-growing, dark green fern that will tolerate high light (not complete shade), & slightly dry conditions. New fronds bend back like a shepherd’s crook. The commonly cultivated varieties of Pteris adapt to a wide range of soils. Pteris ferns like to be kept moist and prefer diffused light in a 50-72 degree environment.

                                                  Pteridium Bracken. A medium to large fern common N.America. It grows in open woods and thickets, damp or dry humus or sandy soil. The blades are 3-4 pinnate or pinnate-pinnatifid and deep green, on long creeping hairy rhizomes. Can be invasive, so not usually grown as an ornamental.

                                                  Pyrrosia Japanese Felt Fern. These are epiphytic ferns from the southeast Asian tropics, Pacifica and New Zealand. There are several defining characteristics of this genus: simple, entire fronds (though some are heavily lobed); star-shaped hairs, particularly on the back of the laminae; slender, creeping rhizomes; and leathery or fleshy blades. The sori have no indusia (coverings), the spores are yellowish red, and the underneath side of the frond has a reddish cast. There are about 50 species of Pyrrosias, many easy to grow.

                                                  Four Pyrrosia species should be in or added to your collection. Pyrrosia lingua is very easy to grow and hardy. It has simple, oblong or elliptic-lanceolate fronds. The branching slender, creeping rhizomes make a full-foliaged plant. Grows well in a basket and makes a good ground cover underneath trees. Cultivars have a variety of leaf shapes. The most familiar cultivar is P. lingua ‘Cristata’ with fan-shaped frond tips many times forked Pyrrosia hastata (spear-like) or Pyrrosia tricuspis (three points, for its frond shape). This plant has a short, creeping rhizome with stipes close together. Hardy in a rock garden or a basket. P. polydactylis (many fingers) has fronds with many lobes palmately to pedately arranged, varying in number from 5 to 9. It is a native to Taiwan, and grows best under tropical conditions. It has a short creeping rhizome. Pyrrosia dielsii (silver feet fern) has a long creeping rhizome, much branched, with thick fronds, simple or occasionally lobed, covered with silvery stellate hairs. The plant is dimorphic and the fertile fronds are longer, with dark brown spore. This Pyrrosia loves to climb, so provide a growing pole.

                                                  Pyrrosias are not fast growers, and the P. lingua cultivars are generally even slower. In their native habitat Pyrrosias often grow on roadside trees enduring drought, low humidity, warm temperatures, and bright sun. Their drought-resistant character is due to a layer of water-holding cells in the leaves and the insulating effect of the felty layer of star-shaped hairs covering the under and often the upper surface of the leaves. Strong to medium indirect light is best for the cultivated species. Feed occasionally with organic fertilizers such as bone meal, steer manure, or liquid fertilizer. With proper temperature and light, Pyrrosias do not require any special care beyond good drainage and avoidance of over watering.

                                                  Encyclopedia of Ferns, Jones, 1987.
                                                  Ferns to Know and Grow , Foster, 1971.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Fern World Articles, B. & H. Halley, 1986, ’87,’89, 2002.












                                                  San Diego Fern Society Officers

                                                  Officers
                                                  President Kathie Russell klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (Position Open)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual or $10
                                                  family) at a SDFS meeting or mail a check (payable to the San Diego Fern Society) to:
                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street, San Diego, CA 92103

                                                  Addresses
                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com

                                                  Volume XXXV, Number 10


                                                  The purpose of the San Diego Fern Society
                                                  is to promote an interest in ferns
                                                  and the enjoyment of them.
                                                  The Fern Society provides information
                                                  about the various kinds of ferns, their culture and care,
                                                  and sources—both commercial and
                                                  by member exchange—for obtaining ferns.

                                                  SEPTEMBER FERN SOCIETY MEETING
                                                  On September 15, 2011, the program will be a photo presentation by Sherry Worthen of one of the best-loved jewels of California ---Yosemite National Park. This year, 2011, the park was blessed with an abundance of water from snow and rain, overflowing the waterfalls and the Merced River. From the Yosemite Valley up to the high Sierras we will see plant habitats with various ferns, trees, and breathtaking natural features. The Fern Society meets in Room 101 of Casa del Prado in Balboa Park, at 7:30 p.m.
                                                  NEWS AND NOTES

                                                  Refreshment Table
                                                  September refreshments will be provided by Millie Sundstrom, Martin Dominguez and Kathie Russell. The Society is looking for someone who will serve as a host or hostess for the meetings. It is a good way to meet people. Think about it.

                                                  Plant Table for September
                                                  The September plant table promises to be a treasure trove for fern lovers. It will feature some of the specialty ferns at wholesale prices that were offered for sale during the August show. You will be able to set these large, healthy plants into your fall garden right away. Don’t miss this opportunity to expand your fern collection.

                                                  Autumn in the Garden Tour & Market, a tour of 8 home gardens in Point Loma
                                                  October 1, 2011 Sales benefit S.D. Master Gardener Association
                                                  (Charles Robinson, fern society member and friend, is a master gardener
                                                  and teaches about staghorn ferns in community outreaches.)
                                                  Advance-purchase Tickets $20.
                                                  www.mastergardenerssandiego.org


                                                  It Was a Successful Fern Society Show! Some 2011 Fern Show Statistics:

                                                  16 Exhibitors and one first time exhibitor brought in a total of 162 plants. Around 12 new types of fern had never before been entered in a San Diego show. The room was artistically set up, with features of interest to draw in park visitors. Many visitors asked questions and expressed admiration or amazement at the variety of ferns on view.

                                                  For a second year both show and sale were held in the same room, and again visitors and workers felt that it was a good combination. One guest (this will be hard to believe, I know) drove all the way from the Dallas,Texas, area to see the show and purchase unusual ferns at our sale. That is dedication! Some of our members were very gracious and welcoming to him---thanks to you special people.

                                                  Our many volunteers made all this possible, working long hours and making many trips bringing plants back and forth from home. We also express special appreciation to our out-of-town judges and entrants. Many thanks to all who participated in any way. And our astonished accolades to Don Callard, who earned a sweep of all three major awards this year. Now that is the Ultimate Green Thumb!


                                                  2011 SAN DIEGO FERN SHOW DIVISION WINNERS LIST

                                                  DIVISION 1 Bill Ganger
                                                  Microgramma squamulosa
                                                  DIVISION 2 Don Callard
                                                  Lecanopteris mirabilis
                                                  DIVISION 3 Gary Bourne
                                                  Psilotum nudum
                                                  DIVISION 4 (Close spiral, short, erect, under 1 ft. stems) None
                                                  DIVISION 5 Don Callard
                                                  Polystichum tagawanum
                                                  DIVISION 6 (Tree fern like, fronds < 1 ft,) None
                                                  DIVISION 7 Bob Charlton
                                                  Davallia pyxidata
                                                  DIVISION 8 Gary Bourne
                                                  Microsorum pteropus
                                                  DIVISION 9 Tanya Bourne Astrolepis sinnuata
                                                  DIVISION 10 Tanya Bourne Phyllitis scolopendrium (scolly)
                                                  DIVISION 11 Gary Bourne
                                                  Nephrolepis exaltata ‘Suzie Wong’
                                                  DIVISION 12 Tanya Bourne Blechnum brasiliense
                                                  DIVISION 13 Bob Charlton Phlebodium pseudoaureum ‘Mexican Tasselled’
                                                  DIVISION 14 Don Callard
                                                  Elaphoglossum herminieri
                                                  DIVISION 15 Don Callard Drynaria quercifolia
                                                  DIVISION 16 Richard Lujan
                                                  Asplenium goudeyi
                                                  DIVISION 17 Don Callard
                                                  Nephrolepis pendula
                                                  DIVISION 18 (Tree ferns w/3 ft. + fronds) None

                                                  DIVISION 19 Don Callard Platycerium veitchii
                                                  DIVISION 20 Yolanda Lujan
                                                  Platycerium hillii
                                                  DIVISION 21 Don Callard
                                                  Platycerium hybrid/cultivar
                                                  DIVISION 22 Amna Cornett  Terrarium Multiple Species
                                                  DIVISION 23 Don Callard
                                                  Lycopodium species
                                                  DIVISION 24 Gary Bourne Multi-plant Display, varieties in one genus---
                                                  Asplenium
                                                  DIVISION 25 Gary Bourne Salvinia minima
                                                  DIVISION 60 (Previous Division Winners) Don Callard Platycerium veitchii

                                                  2011 SAN DIEGO FERN SHOW SPECIAL AWARDS

                                                  Robin Halley Memorial Award for Best Fern (other than a platycerium)
                                                  --- Don Callard
                                                  Elaphoglossum herminieri

                                                  Shirley Callard Memorial Award for Best Playtcerium
                                                  --- Don Callard
                                                  Platycerium C. Alford cultivar
                                                  Elizabeth M. Pelz Memorial Award for Most Unusual
                                                  --- Don Callard
                                                  Drynaria quercifolia


                                                  A QUOTE FOR 2011 TECHNOLOGY AND GARDENS

                                                  A well-rounded mind requires two “speeds.” There needs to be
                                                  time for efficient data collection and time for open-ended reflection,
                                                  time to operate the machine and time to sit idly in the garden. We
                                                  need to work in Google’s ‘world of numbers,’ but we also need to
                                                  be able to retreat to Sleepy Hollow. The problem today is that we’re
                                                  losing our ability to strike a balance between those two very different
                                                  states of mind. Mentally we’re in perpetual locomotion.
                                                  Nicholas Carr,
                                                  The Shallows: What the Internet is Doing to Our Brains



                                                  Ferns A to Z

                                                  Ferns whose names begin with M-N-O are covered this month. They range from tall to small, some with broad leaves, others with fine foliage, both well-known and obscure ferns. Again we can only cover a few of the many varieties, so consult a fern book for more.

                                                  Matteuccia. A native to North America, Europe and Asia. Matteuccia struthiopteris, the Ostrich fern, is the most commonly known of the three species. This is a huge, feathery fern with one-pinnate-pinnatifid sterile fronds to five feet. Fertile fronds are shorter, with leathery, erect pinnae that are rolled around the sori like cigars. It spreads by under- ground rhizomes with large bunches of feathery fronds at intervals. The fiddleheads are edible. A deciduous fern, difficult in our area, needing loamy, acid soil.

                                                  Microgramma are small epiphytic ferns native to Central & South America, often grown here in terrariums or greenhouses. The slender rhizomes of M. lycopodioides branch freely, creeping over trees in masses of bright, simple green fronds up to 8” in length. Sori form in rows between the midrib and pinnae margins. They do best in warm, moist, airy places. M. vaccinifolia is a 2” dimorphic S.American native growing slowly along on scaly white rhizomes. Simple round sterile fronds are complimented by taller, slender little fertile fronds. One with especially beautiful fronds is the Microgramma squam-ulosa. It has prominent dark green veins etching the lighter green pinnules in patterns resembling stained glass window designs.

                                                  Microlepia are medium to large terrestrial clumping ferns native to India, Japan, the Philippines and China. They are somewhat hairy, rapidly growing ferns which like shade and well-drained, loamy soil, and will tolerate some dryness. Microlepia strigosa, Lace Fern, grows well here and make a good thick background for a garden because the fronds are much divided and lacy-looking. They reach up to 40” tall.

                                                  Microsorum ferns are medium to large epiphytes. Some 50 species are native to subtropical Africa, SE Asia, Northern Australia and the Pacific Islands. Microsorum muscifolium is a tree climber with 2-3 foot strap-like fronds, prominent black veins and orange/yellow spore. Other species like M. vieillardii and M. punctatum ‘Grandiceps,’ with up to 16” fronds, creep along the ground or up trees on fat rhizomes. They grow easily here in baskets, and are happiest in greenhouses or humid areas (smaller ones in terrariums).

                                                  Nephrolepis. A commonly known fern with 30 species worldwide, 5 of them grown in the U.S. Most Nephrolepis species grow in colonies as the thin rhizomes, called stolons, spread. They can fill a pot quickly with their roots and stolons, but with water and fertilizer they can survive being pot-bound. And it is better to leave the slower-growing cultivars underpotted.

                                                  Nephrolepis cordifolia, the Sword Fern, has pinnae extending straight out from the stipes forming linear, narrow fronds. The pinnae fall off easily when the frond is old or dry. N. cordifolia will take full sun and will grow almost anywhere: in trees, on rocks, in the ground and in nearly any tropical or temperate climates. It is popular in this area, used as ground cover, garden fillers or decorative borders along walls, and may reach 30" tall. The feature that separates it from other members of the genus is the formation of underground nodes for storing food and water, which allows them to grow in some very sunny situations. There are a number of named cultivars of N. cordifolia, including ‘Plumosa’, ‘'Petticoat,’ and 'Kimberly Queen.' One cultivar, N. cordifolia‘Duffii,’ has small, button-shaped pinnae and crested frond tips.

                                                  Nephrolepis exaltata, Boston Fern, is a well-known variety, originally found in Florida, Mexico, Brazil, and the West Indies. It is distinguishable by its pointed pinnae that often curve slightly upward. The fronds range from 10” to 3 feet. This species is extremely variable, with over 150 varieties/cultivars which have been named in the U.S. & abroad. The first mutant to be noticed by the public was actually found in Philadelphia but had been shipped to Boston and became the famous ‘Boston Fern.’ All later mutants arose from this form. They became very popular in Victorian times. Some of the more recognized cultivars are ‘Fluffy Ruffles,’ ‘Smithii,’ ‘Rooseveltii,’ ‘Whitmanii,’ ‘Irish Lace,’ and ‘Suzy Wong.’

                                                  One problem with the
                                                  N. exaltata species is that many cultivars have a tendency to regress back to a parent form that is less unique. Most of the fancy cultivars are sterile and must be propagated from the runners or stolons, or by tissue culture. Although these various forms are usually grown in pots or baskets because they tend to have a drooping habit, the fern is really terrestrial.

                                                  Some other popular varieties of
                                                  Nephrolepis include N. falcata ‘Furcans,’ the Fishtail Fern, named for the forked pinnules that resemble fish tails. Recently the N. biserrata, Giant Sword Fern, has become popular in North America. Its 6-12” fronds can reach 7 feet in length. It likes lots of water, and is often found in the moist woods of southern Florida. Because most Nephrolepis ferns have no physical reserves in their root and rhizome structure to withstand temperature shock, they are not considered ‘hardy ferns’ since they can only withstand temperatures down to freezing for a brief time. Many delicate species are grown indoors (or seasonally brought in) for this reason.
                                                  Niphidium crassifolium (formerly called Polypodium crassifolium). Mexico, Central and South America. This large epiphyte has heavy, erect simple fronds which look similar to those of the Bird’s nest ferns. However, Niphidium fronds are darker green, irregularly spaced, and can reach a length of 60 in. There are often white dots on the upper surface of the fronds (which are actually calcium deposits from within). Niphidium crassifolium, the most commonly seen of the 10 species, does well in Southern California and can be grown in baskets or large pots.

                                                  Onoclea sensibilis (Sensitive Fern, Bead Fern). There is only one species of Onoclea, a native of North America and North Asia. A medium-sized fern with once to twice pinnate light green fronds with serrated edges. The fertile fronds are compressed to look like bunches of tiny grapes, from which it gets the name Bead Fern. Onoclea likes wet soil and in it will stand quite a bit of sun. In Southern California they are deciduous, coming up early in the spring and they are finished with their season by August.

                                                  Onychium japonicum Japanese Claw Fern, Carrot Fern. Original habitats are in North India, Thailand, Japan, China. These are small to medium-sized terrestrial clumping ferns with finely-divided fronds. Here in the U.S. the Onychiums are usually grown in terrariums.

                                                  Osmunda.
                                                  These are tall, dramatic ferns originating in Asia. Their petioles are oval-shaped on two pinnate fronds that grow in whorls. A very ancient fern, seen in fossils, the Osmundas have specialized fertile fronds that bear green spores which have no indusial coverings. On O. cinnamomea the tall bushy fertile fronds are a russet, orange/cinnamon color. O. regalis, the Royal Fern, is quite spectacular (reaching to 10 feet) with oblong petioles. It bears its sporangia on the upper third of some fronds. O.japonica is smaller, bushier, and has red new growth. Its fiddleheads are edible and are sold in Japanese markets. O. regalis v. brasiliensis, a South American species, is smaller and less deciduous than the other species and grows more easily here.

                                                  Encyclopedia of Garden Ferns
                                                  , Sue Olsen, 2007.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Fern Catalog,
                                                  www.SanDiegoFernSociety.com, 8/10/2011.

                                                  San Diego Fern Society Officers
                                                  Officers
                                                  President Kathie Russell klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (Position Open)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual or $10
                                                  family) at a SDFS meeting or mail a check (payable to the San Diego Fern Society) to:
                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street, San Diego, CA 92103

                                                  Addresses
                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com Volume XXXV, Number 9


                                                  The purpose of the San Diego Fern Society
                                                  is to promote an interest in ferns
                                                  and the enjoyment of them.
                                                  The Fern Society provides information
                                                  about the various kinds of ferns, their culture and care,
                                                  and sources—both commercial and
                                                  by member exchange—for obtaining ferns.

                                                  AUGUST FERN SOCIETY MEETING

                                                  For the August 18, 2011 meeting the program will be a "show and tell" about lycopodiums and selaginellas. These plants, previously known as fern allies due to their similar life cycle to ferns, are now grouped as Lycophytes---see discussion on plant classification below. In fact, some past winners of "Most Unusual Plant" at the Fern Show were Lycopodiums. If you have selaginellas or lycopodiums, why not bring them to the meeting for the “show and tell?” You can let someone else talk about them!

                                                  We will also be getting the room ready for the show. It is an exciting time, and we can use any and all volunteers for various jobs associated with the show weekend, Aug. 20-21. Fern Society meetings are held in Rm 102, Balboa Park, at 7:30 p.m.

                                                  NEWS AND NOTES

                                                  August Show and Sale

                                                  The annual Fern Society Show will be August 20-21, 20ll. You can bring your fern entries to the meeting on Thursday night to save a trip. This is a good time to bring in any fern whose name you are not sure of, because other members can help identify it. More details below.

                                                  Refreshment Table

                                                  August refreshments will be provided by Bob Charlton, Gary Bourne and Don Callard. All guys. Come on down---this ought to be good!

                                                  No Plant Table for August But! There will be plants to preview for the coming show & sale.

                                                  Quotation: Still True 2000 Years Later

                                                  If you have a garden and a library, you have everything you need.
                                                  Marcus Tullius Cicero




                                                  So Why Aren’t They Called Fern Allies Any More?
                                                  A Brief Primer on Plant Classification

                                                  Most of us are non-botanists who just love to grow beautiful plants, and we don't concern ourselves with scientific work. The San Diego Fern Society is open to all. But when we see some ferny-looking plants that are not ferns, and other weedy or viney-looking plants that are classified as ferns, we wonder how decisions are made about what plants are called, and how they are grouped.

                                                  When they work on classification, botanists use various characteristics of plants such as overall appearance, internal cell structure, and the form of the plant’s reproductive parts to help with their decisions. And in today's scientific world they also use DNA and other genetic factors in the classification process. Scientists using such tools discover new evidence and update former classifications. In his book,
                                                  A Natural History of Ferns (Portland, OR: Timber Press, 2004), Robbin Moran discusses the “fern allies" controversy. He tells how it was decided that whisk ferns (Psilotum) and horsetails (Equisetum) are still categorized as true ferns, and other "fern allies" are now classified as Lycophytes, such as the Lycopodium, Isoetes, Selaginella, Lycopodiella, and Huperzia. So now you know!

                                                  Fern Show---It Will Be Here Next Week.

                                                  Society Members, come on down! We need lots of ferns to make this a beautiful show. Please check in as early as possible. We will help with ID. You can enter to compete or just bring some favorites for display only. There will be sign-up sheets at the meeting again this month for help with clerking, sales area observers, show room hosts, & greeters at the door. There is a job for everyone. Here is the show schedule.

                                                  San Diego Fern Show Schedule August 2011

                                                  Thursday, August 18 - Fern Society Meeting

                                                  6:30 to 7:30 pm …begin plant check in.
                                                  7:30 pm …society meeting. Preliminary set up for the show begins. This is a great time to bring all of your show or display plants, with your name on them, for plant identification and paperwork.

                                                  Friday, August 19 - Plant Registration and Show Set Up

                                                  8:00 am…building opens.
                                                  10:00 am…room set up
                                                  2:00 to 6:00 pm…plant check in, all entrants. Please let a board member know if you need to check in plants late (6:00 to 7:00 pm) due to work schedule or travel distance. Your paper-work is still needed by 6:00 pm for computer entry.
                                                  6-8:00 pm…finish registration, tags, final plant & room arrangement.
                                                  10:00 pm ………building closes.

                                                  Saturday, August 20 - Judging, Sale and Show

                                                  8:00 am …building opens.
                                                  8:30 am …clerks and judges arrive, coffee provided
                                                  (clerks and judges may reserve plants for purchase from
                                                  the sales stock; must pay cashier by Saturday afternoon)
                                                  9:00 to 10:30 am………judging.
                                                  9:00 am. . . set up for plant sale
                                                  10:30 am…lunch preparations
                                                  10:30 am…scoring, ribbons on plants; final show details
                                                  11:30 am to 1:00 pm …lunch for judges and volunteers
                                                  12 noon to 5:00 pm … Show open and Plant sale open, Room 101.

                                                  Sunday, August 21 - Show and sale

                                                  8:00 am …building opens.
                                                  9:30 am …morning volunteers arrive
                                                  10:00 am to 4:00 pm ….Show room & plant sale open, Room 101.
                                                  4:00 pm …Break down show, take home plants.


                                                  Ferns A to Z

                                                  This month we will be looking at the ferns whose names begin with E-F-G-H-I-J-K-L. However, as you will notice, there are no ferns starting with F, I, J, nor K. This group includes some very unusual, strikingly different ferns (and others we do not have room to discuss---see them in one of books listed below).

                                                  Elaphoglossum The ferns in this genus (at least 600 species) are native to tropical America and the West Indies. Elaphoglossums usually have simple, entire, often leathery fronds. They are character-ized by sporangia which cover the entire back of a fertile frond. Many varieties have fronds covered with scales or hairs. Young fronds appear black because of the density of scales that thin out as the frond grows. (I was astounded to look at these scales under a strong magnifying glass---they were star-shaped and beautiful. Elaphoglossums were favorites in Bob Halley’s fern collection; he had once shown us these scales “up close” during a fern lesson.) Most are epiphytic, although terrestrial forms are not unusual. These ferns require an atmos-phere of constant high humidity. Elaphoglossum crinitum, the Elephant Ear Fern, is spectacular with its simple fronds that resemble huge paddles up to 20 inches long. The frond is about half stipe and half lamina and all are covered with long black scales. Elaphoglossum peltatum (or Peltapteris peltata) is a small crawler commonly found on mossy tree trunks and fallen logs in the tropics. It has deeply incised sterile fronds (the width of the incisions varies widely) which is different from most Elaphoglossums. It requires a terrarium or greenhouse in temperate climates. The Elaphoglossum vestitum (originating in southern Mexico) does grow well here; it likes to stay moist, but well-drained. Some fern growers living in more dry areas will periodically mist their Elaphoglossums.

                                                  Equisetum. The Horsetail or Whisk Fern, Equisetum, is native to North America, Europe, and Asia. It was prolific in ages past, and became part of the coal layers formed during the Carboniferous period of earth’s history. It has an unusual appearance because of its tubular, hollow shoots that grow all along branching rhizomes found deep under ground. These stems, resembling reeds, have segments or nodes and internodes at intervals and out of these joints are small, scale-like leaves and slender, lateral branches that grow all around the node, giving Equisetum its “horsetail” appearance. The stems are hard and covered with silica deposits. Spores are produced in cones that form at the tops of the stems. One common species, the Equisetum hyemale, has striking black bands along the stems. Other species have feathery branches or loosely twisted stems. It is often planted around ponds or marshes, and can be grown in tubs or in the ground if kept moist and drained.

                                                  Goniophlebium subauriculatum. A very large fern found in the tops of the tropical rainforests, and draping over shady cliffs. (This genus was formerly named Polypodium subauriculatum until reclassified based on “several characteristics including venation.” Olsen) Its simple, pinnate fronds are long and willowy, making it one of the most desirable garden ferns. Particularly prized is G. subauriculatum 'Knightiae' whose deeply incised pinnules give it a light feathery look. These plants grow well here with some shade and plenty of air movement. Can be grown in the ground, or overhanging a wall. Its pendant fronds, up to 6 ft. long, are attractive in a hanging basket.

                                                  Gleichenia, Forking Fern. A large fern of the tropics and subtropics. Thin, spider-like fronds, one to many times forked, grow on tall stipes rising up from long, creeping rhizomes. There is always a dormant bud in the angle of the fork. Gleichenia is difficult to grow in cultivation (some say it needs a certain fungus in the soil) and is hardly ever seen in the U.S.

                                                  Gymnocarpium, Oak Fern. This small to medium sized fern is often seen in eastern U.S. gardens as a ground cover, or growing in moist open woodlands. A deciduous fern, it has triangular, moss-green “velvety” fronds (from 1 to 3-pinnate) that appear flat as they grow horizontally on brittle stipes along creeping rhizomes. Gymnocarpiums prefer loose, humusy, acid soil, low light, and constant moisture. Some varieties do better where there are cold winters.

                                                  Hemionitis. These small ferns are from Central and South America, and the West Indies. The most usual species seen in the U.S. is Hemionitis palmata, the Strawberry Fern. This attractive little fern (4-12") has leaves which look like those of a strawberry plant. The sterile fronds are clustered beneath the much taller fertile fronds. Can be grown in a small pot with light soil but may need a little protection (or even a terrarium) from the cold in this climate. For some reason Hemionitis is very susceptible to attacks from slugs, mealy bugs, and scale (Hoshizaki). It can be propagated by use of the little plantlets that form near the base of the blades, especially if layering is used first to help roots form before removing the plantlet. Another species, Hemionitis arifolia, has triangular 4- 6" shiny green fronds with heart-shaped fertile fronds, where sporangia appear along the netted veins. It needs a terrarium or greenhouse and slightly alkaline soil to grow well here.
                                                  Hypolepis, Ground Fern. This large fern can be seen in parks all around in southern California. It has large (24-60”), light green triangular, finely-divided fronds that are thin and often hairy. A native to Polynesia and Asia, it is easy to grow. You can control its habit of spreading rapidly by growing it in a tub. The most common species is Hypolepis tenuifolia.

                                                  Lemmaphyllum microphyllum, Green Penny Fern. A native of tropical Asia. This creeping epiphyte has small, thick, shiny, simple dimorphic fronds. The sterile fronds are rounded and fleshy. Fertile fronds are slender, taller, and fewer in number. It grows well on a tree fern slab or in a small basket and will cover the surface. It is quite temperature tolerant and grows very well here. It is often seen in terrarium plantings.


                                                  Llavea cordifolia. The only Llavea species, it is a native of Central America. The 1-2 foot long dimorphic fronds are quite different in appearance. Sterile fronds have oval, fingernail looking petioles. The fertile frond has a few oval petioles at the base, then the top 2/3 of the frond has spore packets in many narrow, finger-like segments. Llavea naturally occurs on exposed limestone rocks. Plants need to be kept on the dry side during winter dormancy.

                                                  Lygodium japonicum, Japanese Climbing Fern. Tropical Asia and Australia. One of the few real climbing (vining) ferns, it will grow to 50-60 ft. in the wild. Each of the long climbing tendrils is in fact a complete frond and may reach a height of 6-10 feet here. It can be grown in a pot or basket, with some kind of lattice structure to which the tendrils may cling. Sterile pinnules are 5-7 lobed with a longer terminal lobe. Fertile pinnules are smaller and crenate (scalloped), with sporangia along the margins. Its natural habitat is fairly dry and the plant is dormant in the dry season. In the southeast U.S. it is now an invasive plant. Lygodium palmatum was prolific along the eastern seaboard in the 1800s, but was harvested almost to extinction because the leaves stayed green on its vine when brought indoors for decorative festoons. It only grows now in 5 counties of W. Virginia.

                                                  References:
                                                  Encyclopedia of Ferns, David L. Jones, 1987.
                                                  Encyclopedia of Garden Ferns, Sue Olsen, 2007.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Fern Catalog,
                                                  www.SanDiegoFernSociety.com, 8/10/2011.



                                                  San Diego Fern Society Officers
                                                  Officers
                                                  President Kathie Russell
                                                  klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (Position Open)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net Secretary Amna Cornett amnacarol@yahoo.com
                                                  Directors
                                                  Past President Don Callard
                                                  dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen
                                                  sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual or $10
                                                  family) at a SDFS meeting or mail a check (payable to the San Diego Fern Society) to:
                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street, San Diego, CA 92103

                                                  Addresses
                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com

                                                  Volume XXXV, Number 8


                                                  The purpose of the San Diego Fern Society
                                                  is to promote an interest in ferns
                                                  and the enjoyment of them.
                                                  The Fern Society provides information
                                                  about the various kinds of ferns, their culture and care,
                                                  and sources—both commercial and
                                                  by member exchange—for obtaining ferns.


                                                  JULY FERN SOCIETY MEETING

                                                  The July 2011 meeting of the San Diego Fern Society will be held on July 21, 2011. The program will be on Adiantums, with pictures from gardens of members and friends by Amna Cornett and Bob Charlton. To many people these delicate ferns are the epitome of what a fern “is.” If you have a favorite Adiantum (maidenhair) you’d like to show off (or identify), bring it Thurs. night. Meeting is in Room 102, Balboa Park, at 7:30 pm.

                                                  NEWS AND NOTES

                                                  Refreshment Table
                                                  July refreshments will be provided by Elizabeth Glover, Miles Goodman and Bart Keeran. Why not volunteer to serve the Fern Society as a refreshment table host/hostess? You get to meet people, be of service to the club, and take home some yummy leftovers.

                                                  Plant Table for July
                                                  This month’s table will have some well-cared-for ferns (thanks to Gary Bourne) used
                                                  in our Del Mar fair landscape exhibit. You can have them for a song (and a
                                                  minimum ticket purchase). These would make nice fillers for a shady garden spot.

                                                  It is with deep regret that we inform you of the loss of Lois Rossten, our long-time fern friend, on June 27, 2011, after a recent stroke and valiant recovery efforts. She and Kurt
                                                  were loyal members of SDFS, assisting us with programs, show preparations, and judging. Every month Lois would bake something and bring it along when they drove down from Huntington Beach for our Society meetings. This entailed an overnight stay before the return drive north. We offer our sincere condolences and prayers to Kurt in
                                                  the loss of his dear wife. A memorial service was held July 16, 2011. Condolences may be sent to Kurt at 6561 Melbourne Dr., Huntington Beach, CA, 92647


                                                  It is Almost Show Time---Curtain Rises August 20-21!

                                                  Here are some “Get Ready” tips from our president, Kathie Russell. July is time to prepare your plants for the upcoming August Fern Show. It is important to start now. Choose some ferns you might enter in the show. These potential ferns could be rare and unusual, or just beautiful or interesting ferns--- perhaps your own favorites. We want the public to see what we grow, including beautiful ferns that just need ordinary care.

                                                  Next, consider the details of entering plants. A rules summary is included in this
                                                  Fern World following this article. You need to be able to transport your plants to the show and take them home on Sunday after 4 p.m., so you might need to make arrangements with friends. Importantly, you must ensure that your plants are free of pests and disease. Clean up the plants, checking for evidence of disease. Get rid of ants, scale insects, and other pests using the least toxic methods first. Then check plants regularly during the next few weeks. No plants will be allowed in the show room with ants or bugs.

                                                  You should determine the names of your plants in advance. This will be of great help at registration. If you are not sure, bring your fern to this month’s meeting, or ask a club member to come over and help you identify the plant. Sometimes the old fronds are helpful in identification, so establish the plant name before final trimming and grooming.

                                                  If your plant could use a better container, clean it up or repot (or mount) it now. Locate your show ferns in appropriate sites in your garden where they will thrive and you can conveniently watch over them for the next month. Every fern adds to the show, whether in competition or brought “for display only.” Please bring something---we need you!

                                                  A Review of San Diego Fern Society Rules (in brief) for SDFS Show, August 20-21, 2011

                                                  1. Entry of plants must completed by 7 pm on Friday, August 19. Plants may be brought Thursday evening, or Friday from 2 pm to 6 pm. Exhibitor will prepare entry form with plant names. It is important to determine names ahead of time. Ask for assistance well in advance.
                                                  2. Judging will take place on Saturday, August 20, 8:30 am---noon. The Show room will open to the public around noon, or earlier if ready. All displays must remain until 4 pm on Sunday.
                                                  3. Plant owners must take their plants out of the room after the 4 pm close on Sunday, August 21, or make arrangements.
                                                  4. The Show is open to entries by the general public.
                                                  5. An exhibitor may enter any number of plants, and any number in the same class.
                                                  6. Plants may be entered for competition or for display only.
                                                  7. All plants entered for competition must have been owned and grown by the competitor for at least 90 days prior to the Show.
                                                  8. Plants must be groomed and containers must be tidy. Only clean, disease and pest-free plants will be accepted into the Show room. If a plant has any sign of disease or infestation it will be immediately removed from the area and not allowed to compete.
                                                  9. Use of leaf polish is not permitted.
                                                  10. Previous winners: Plants which have been awarded Best Fern of Show (non-platycerium) and Best Platycerium of Show may not be entered for competition. No individual plant may win Most Unusual Plant award more than once. Plants which have won Division awards during the past three years may only be entered in Division 30, or brought “for display only.”

                                                  An Upcoming Balboa Park Event
                                                  Our Society has been invited to participate in the "Art in Bloom" event in Balboa Park’s Spanish Village Art Center on Sat., July 23, 2011 from 10am to 4pm. Plein aire artists will paint floral arrangements provided by the Floral Guild, followed by presentation of People's Choice awards then Open House, 5-7 pm. Garden clubs may participate by showing plants and publicizing their shows.  The San Diego Fern Society will have a shaded space in the courtyard for some ferns and fliers about our club. Ferns may even be the subject of some of the paintings! This festival is an opportunity for cooperation at Balboa Park between the Art and Plant groups. Come enjoy the event and perhaps talk to guests about our club and the upcoming August show.

                                                  Ferns A to Z

                                                  In June we gave an overview of some of the ferns whose names begin with the letter “D:” the Davallias, Dennstaedtias, Didymochlaena, and Diplazium. Now in July we finish the “D” ferns with some that you will be familiar with.

                                                  Doryopteris. A very pretty tender fern, 9-12 inches, whose leaves often resemble a hand. The most well-known species is the Doryopteris palmata, whose bright green fronds grow on short rhizomes. The sterile fronds are narrower than the fertile ones, with a continuous brown border of sori making fertile fronds quite attractive. At times this fern will put on small, vegetative buds at the junction of the petiole and the stipe, which may be grown into a mature plant. Doryopteris requires moist, rich humusy soil and a warm humid atmosphere. Be careful not to over water during the cool months of slow growth. This fern was a popular purchase at last year’s show.

                                                  Doodia These are rather small terrestrial ferns with long narrow pinnae with many pinnules which are sharply toothed. Many seem to prefer conditions a little drier than the rest of the family. There are about 10 species, but because of overlaps the exact number is uncertain. Most are found in Australia and neighboring areas. None is native to the United States.

                                                  Doodia caudata. This small (6-12 in.) fern forms neat round clumps. It is pinnate and dimorphic. A hardy grower once established, it likes partial sun and well-drained acid soil. In Australia there are several interesting variations, some of which may become separate species in the near future.

                                                  Doodia medea. This is also a small to medium (8-18 in.) fern which forms spreading clumps. Pinnate-pinnatifid. It is not dimorphic. Very rough to the touch, it is known as the ‘Rasp Fern.’ Very tolerant of growing conditions, but does like acid soil. Easy to grow and propagate by division. Hoshizaki mentions that it appears in the trade as D. aspera, but that is an entirely different species.

                                                  Dryopteris. This genus contains about 225 different species, of which about 50 kinds are found in woods, fields and wet areas of the U.S. Medium sized to large ferns, the Dryopteris will often have a thick, erect rhizome with a clump of close, spirally-arranged fronds. The stipe is grooved and has scales. Many species in the genus have 3 or 4-pinnatifid fronds. Sori are typically covered by characteristic, kidney-shaped indusia. Some of these are known as Male Ferns because the fronds are relatively robust. Others are called Shield Ferns or Buckler Ferns, such as D. cristata, the Crested Shield-fern, D. aemula, the Hay-scented Buckler fern, and D. dilatata, the Broad Buckler fern. It is deciduous in cold to temperate climates, but is considered easy to grow. The giant Wood Fern, D. goldiana, which can grow to 52 inches tall, is a native to eastern North America.

                                                  Because there are so many species, Christopher Fraser-Jenkins, an English authority on this genus, uses 4 sub-genera to divide the genus into sub-genera. Pycnopteris has leathery-textured pinnate fronds (such as D. sieboldii). Dryopteris has leathery, not firm fronds, 1 to 4-pinnate, with many scales on the rachis (such as D. filix-mas). Erthrovariae has scales only in a tuft at the stipe base, with the rest of the stipe mostly devoid of scales (such as D. erythrosora). Fraser-Jenkins’s last sub-genus is Nephrocystis, having fronds that are wide at the base, with few scales, and pinnules that are markedly asymmetrical (such as D. hayatae).

                                                  The Dryopteris erythrosora or Autumn Fern, is quite spectacular and easy to grow. It is a native of Japan. Early growth is an exotic coppery-pink, then the croziers unfurl into pinkish golden-green fleshy fronds and mature to a rich leathery green. Cold weather will bring a hint of russet to the peerless evergreen fronds. As if all this display were not enough, it produces bright red sori on the frond reverse in late summer.

                                                  The Golden-scaled Male Fern, D. affinis, grows in bold clumps, forming impressive colonies in the wild. A strong and handsome fern, it will often develop a short pseudo-stem or trunk when older. The tough, somewhat leathery lance-shaped, deeply divided fronds create bold shuttlecocks conspicuous from a distance. These clumps are characterized by a yellow-green color, especially when emerging in late spring. It is the stalk (rachis) however, which gives the fern its name. From top to toe it is densely clothed with shaggy, golden-brown or orange-brown scales, most sumptuous towards the base. Several cultivars such as D. affinis ‘Cristata,’ ‘Congesta,’ and D. affinis ‘Polydactyla,’ have pinnule tips that are crested or tasseled. This is also a characteristic of many of the cultivars of Dryopteris filix-mas, the common Male Fern.

                                                  The Dryopteris like well-drained soil, kept evenly moist to wet, and do well planted out in your garden. They are fairly pest-free, although they are susceptible to thrip. Even in a milder climate these hardy ferns will take a “winter break” like other deciduous ferns, and return with new croziers in the spring. These are bold ferns, and may give spectacular results when an ideal place is found for them.

                                                  Drynaria, the Oak-leaf fern. This fern is quite attractive, with two kinds of fronds. The fronds at the base of the fern are the source of the common name, because they are short and oak-leaf shaped, turning brown and remaining on the plant after the lobes die back. In the wild these fronds would collect falling debris which would become food for the fern. The fertile fronds are longer and green, with netted veining. The rhizomes are thick and have scales. The Drynaria quercifolia is a large fern, easy to grow, preferring moist to dry well-drained soil. A similar fern, Drynaria rigidula, has gracefully arching fronds. It is slow-growing and does not do well if over-watered. A popular cultivar, D. rigidula ‘Whitei,’ has lacerate to irregular lobes along the fronds. Drynaria are nicely shown in hanging baskets lined with moss.

                                                  (This 2011 series is in memory of Robin Halley who began the project in the mid 80s. Each month during 2011 we will examine the various fern species until we reach the end of the alphabet.)

                                                  Sources:
                                                  “Dryopteris Affinis,”
                                                  The Garden (Royal Horticultural Society Journal), Roy Lancaster, VMH, May, 1991.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Ferns to Know and Grow, F.Gordon Foster, 1971.
                                                  Fern World articles, Bob Halley, Sept.,1985, Nov.,1988, July, 1994.

                                                  QUOTATION FOR GARDENERS

                                                  Keep your sense of proportion by regularly,
                                                  preferably daily, visiting the natural world.
                                                  — Caitlin Matthews



                                                  San Diego Fern Society Officers
                                                  Officers
                                                  President Kathie Russell
                                                  klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (Position Open)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard
                                                  dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen
                                                  sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual or $10
                                                  family) at a SDFS meeting or mail a check (payable to the San Diego Fern Society) to:
                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street, San Diego, CA 92103

                                                  Addresses
                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com

                                                  Volume XXXV, Number 5


                                                  The purpose of the San Diego Fern Society
                                                  is to promote an interest in ferns
                                                  and the enjoyment of them.
                                                  The Fern Society provides information
                                                  about the various kinds of ferns, their culture and care,
                                                  and sources—both commercial and
                                                  by member exchange—for obtaining ferns.


                                                  JUNE FERN SOCIETY MEETING

                                                  The June 2011 meeting of the San Diego Fern Society will be held on June 16, 2011 which is next week. Because of the calendar, this will seem earlier in the month than usual, but come on down to the park anyway, because it is the third Thursday! Our program will be about ferns found even where the weather can get very hot.

                                                  Kathie Russell has a photo tour in store for us taken during her Arizona stay last year. We will see habitat, with ferns, in the mid-to-high elevation forests of Arizona. (4500 to 7700 feet elevations). These woodland areas abound in juniper and oak and Ponderosa pine, moving up to Douglas fir and (high elevation) aspens. And yes, there are ferns in Arizona! Join us and learn about these tough ferns. The Society meets in Room 101, Balboa Park, at 7:30 p.m.


                                                  NEWS AND NOTES

                                                  Membership Renewals
                                                  Please check to see that your name on the front of this Fern World says (’11) after your name to keep your 2011 membership.


                                                  Refreshment Table

                                                  June refreshments will be provided by Bill Ganger, Gary Bourne, and Amna Cornett. We’d like to have you come be a host/hostess. It is a way to meet people, be of service to the club, and take home some yummy left-overs! Think about it, and come try it out.


                                                  Plant Table for June

                                                  Looking for something to fill in a semi-shady spot in your garden? There will be some nice choices this month on the plant table.


                                                  National Recognition for San Diego Fern Society

                                                  We are proud to be the subject of the lead article in the April-May issue of
                                                  Fiddlehead Forum, the bulletin of the American Fern Society. The article is entitled “Platycerium Night—San Diego Fern Society, Jan. 2011,” and in it Kathie Russell, our president, both describes the annual night of sharing and gives information about growing these staghorn ferns. Congratulations, author & society!


                                                  Last Month’s Photo Visit to Ed Moore’s Garden

                                                  All who attended the May meeting were treated to a delightful virtual tour of Ed Moore’s garden in Pacific Beach. We were awed by the variety of cycads, ferns and bromeliads, making it look more like a public garden than a private yard. An added bonus was the letter from Ed’s daughter Michelle, describing the beginnings of the garden with the help of Sin Jen, the well-known landscape architect. This letter was reprinted for all members present. And we hear that Ed is having a birthday this month, his 96
                                                  th! Happy Birthday, Ed! Thank you for sharing part of your garden and your life with us.


                                                  San Diego County Fair at Del Mar---Go Check it Out!
                                                  On two Saturdays recently, May 28 and June 4, a group of volunteers prepared the landscape exhibit and the container area for judging and display at the Del Mar Fairgrounds. They had gloves, shovels, sun-screen, willing hearts, plants and decorative objects for the task. If you had been there you would have seen some of these people there helping: Bruce Barry, Don Nelson, Gary Bourne, Don Callard, Bill Mous, Amna Cornett, Sherry Worthen, Alva & John Whetton and their son Julian & daughter Ariel, Bill Ganger, Jay Amshey, and Paula Couturier. If you came and helped but do not see your name here, we thank you & your willing fern hands, too.
                                                  The Fern Society also wants to thank the following people who donated or loaned supplies and plants: Bart Keeran for art deco objects; Don Callard for lots of platys, ferns, patio structure and furniture; Gary Bourne for unique ideas, plants, chairs, statuary, and decorative pots; Dean Turney for large loaned plants, and Jay Amshey for transport of those large plants. We appreciate all of you who brought your valuable ferns to place in the container exhibit so that visitors to the fair can see a variety of ferns which can be grown in San Diego. And a big thanks to Bruce Barry for being willing to plan and direct the landscape exhibit this year. To all workers: You are greatly appreciated. Thanks, guys and gals!

                                                  Try to get out to the San Diego County Fair between now and July 4, being sure to stop by the Botanical area near the Bing Crosby gate. The floral displays there are restful and beautiful. This year many groups are featuring ways to make your garden more environmentally friendly. And it is very likely that you will see something that inspires you for your own garden.


                                                  Start Now---Getting Your Plants Ready for the August Show (Aug. 20-21, 2011)

                                                  Any plant you owned on May 18 may be brought to the show for competition
                                                  or display. If you haven’t looked over your plants yet to see which ones are growing well and look healthy, now is a good time to do that, as well as to pay a little extra attention to the plants you’re planning to display.

                                                  If you don’t know the names of all the plants you want to display, bring a frond (or the whole plant) to this month’s meeting to get it named. Once you know the name, you can look up what its special needs are and how to take care of the fern. Fertilize at least once every three weeks or use a time-release fertilizer like Osmocote. Some growers add a very small amount of fertilizer every time they water--nurseries do! Check all the plants you select for pests and disease. If you bring an infested plant to the show it will be disqualified. In the meantime snails, slugs, sow bugs, pill bugs and aphids are at their worst right now. As the weather warms up, thrip, scale, mealy bugs, and spider mites become a problem for ferns, too. If the fronds of your fern turn an uncharacteristic silver color, thrip may have attacked the plant. Check for very small, spindle-shaped bugs. If you find them, use your favorite insecticide to get rid of them, diluted to half normal strength. Then remove all fronds with the insect damage to help make sure no eggs laid on those fronds hatch and re-infect the plant.

                                                  Remember to water your ferns more often now that summer is here, especially when those warm, dry Santa Anna winds blow through. They can dry out your ferns in a hurry.

                                                  If you haven’t already done so, you should groom
                                                  all the old and dead fronds out of your plant now. For most plants there are still two months of prime growing time left. If you thin out the old fronds, there will be room and plant energy to produce new ones. If you wait until the show you may be left with a plant that has “holes” where you removed the old fronds. Continue to groom your plants occasionally over the next two months.

                                                  At this point you might move your show candidates to the best spots in your growing area. These are the places that get the best light, that are least likely to suffer from pest attacks, and have good air movement but not a lot of wind. Remember too, that the “best” spot for one plant may be a bad choice for another plant. A little research about your candidates’ growing needs will help you place them.

                                                  Good luck! (Robin Halley, June 1989
                                                  Fern World)


                                                  Ferns A to Z

                                                  This 2011 series is in memory of Robin Halley who began the project in the mid 80s. Each month we are discussing various fern species or genera until we reach the end of the alphabet. This month we look at ferns whose names begin with the letter “D.” Some are popular and easily-grown, other “D” ferns are unusual or rare. (Rest of “D” ferns in July)

                                                  We would like to have anyone with a “D” fern bring it to the meeting next week for a “show and tell” time. Do you have a Rabbit’s Foot Fern (Davallia), or a Hay-scented Fern (Dennstaedtia)? There might even be a Didymochaena in someone’s garden. If you want, you can just “show” it and let someone else “tell” about it. Look around before next Thursday and choose a “D” fern to bring for “show and tell,” ok?

                                                  Davallia---Rabbit’s Foot or Ball Fern. The ferns in this genus are characterized by long, exposed, creeping, scale-covered rhizomes. This is how many of the common names like rabbit’s foot, bear’s foot, or squirrel’s foot have come about. This is a large, mostly epiphytic group with 35 or more species, originating in the tropics. Several have lacy, finely divided, shiny fronds. Davallia fejeensis, with its finely divided fronds, is very attractive and desirable.

                                                  Davallias make excellent ferns for hanging baskets as the furry, creeping rhizomes hang over and often cover the edge of the container,topped by a cloud of delicate fronds. It needs to be planted with rhizome above soil level instead of buried, so it does well on rocks or as a ground cover where it’s furry feet can be seen. It is very sensitive to salt; it should be watered with soft water.

                                                  Dennstaedtia These are called “Cup Ferns.” They get this name because the indusium (the cover on the spore case) is cup-shaped. Dennstaedtia are medium to large terrestrial ferns with wide creeping rhizomes and fronds “medium to huge.” These ferns grow in the tropics and subtropics. They can be used as bedding ferns. The species needs medium light (open shade) as a rule and likes to be kept in a slightly acid, moist soil.

                                                  The Hay-scented Fern (D. punctilobula) grows in North America. Because it spreads so quickly, it is considered to be a weed in some areas. It thrives in a wide range of soil conditions, tolerates proonged wet or dry seasons, and grows in deep shade or full sunlight. The rhizomes become matted quickly, giving the gardener a dense stand of foliage. Other varieties of Dennstaedtia include the Couplet Fern (D. bipinnata) and the Lacy Ground Fern (D. davallioides).

                                                  Didymochlaena There is only one species of this fern. It is the Moon Fern (Didymochlaena truncatula). It is native to the tropics and is rarely cultivated, but grows to be a very nice looking medium-sized fern. The fronds are initially covered with yellow hairs. As they uncurl the fronds are reddish in color, and this is what gives it the nickname ‘mahogany fern. As the fronds mature they become a dark green. The fronds are sort of leathery, with horseshoe-shaped sori. The plant likes medium light (open shade) but will take brief periods of full sun. This fern likes to be kept moist. Sometimes the original plant will produce a side crown which can be removed and planted.

                                                  Diplazium A native fern of tropical regions such as Africa, southeastern Asia and Polynesia. Some people consider Diplazium esculentum to be a tree fern because of its habit of growing an upright stalk. Its name is from the Greek, meaning double, because the sori sometimes appear on both sides of the vein. In general, this genera is often confused with Athyrium. Diplazium ferns can range in size from small ones with single, lanceceolate blades (D. tomitaroanum and D. subsinuatum), suitable for garden borders, to large ones that even develop a stalk resembling a tree fern. Several others are medium-sized, such as D. esculentum, which has been introduced into Florida and Louisiana. The fiddleheads of this species are edible. The D. proliferum, a large fern, will put on buds where the pinules join the stipe, which develop into miniature plants.

                                                  References:
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Ferns to Know and Grow, Gordon Foster, 1971.
                                                  Fern World article, Robin Halley, November, 1986.
                                                  Online Article, Dr. Leonard Perry, extension professor, U. of Vermont Extension, Dept. of Plant and Soil Science.


                                                  POETRY FOR SUMMER DAYS

                                                  When the days lengthen and the sun lies long
                                                  on hill and field and garden,
                                                  there is relaxation, realization . . .
                                                  There can be no business in life more pressing
                                                  than to wait in the still, green world,
                                                  and to absorb the young summer with every breath.
                                                  L. B. Wilder, 1937

                                                  Is not all the summer akin to a paradise?
                                                  Henry David Thoreau, May 1852


                                                  San Diego Fern Society Officers
                                                  Officers
                                                  President Kathie Russell
                                                  klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (Position Open)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard
                                                  dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen
                                                  sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton
                                                  kwyjibo@san.rr.com


                                                  Membership

                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual or $10 family) at a SDFS meeting or mail a check (payable to the San Diego Fern Society) to:
                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street,
                                                  San Diego, CA 92103


                                                  Addresses

                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com

                                                  The purpose of the San Diego Fern Society
                                                  is to promote an interest in ferns
                                                  and the enjoyment of them.
                                                  The Fern Society provides information
                                                  about the various kinds of ferns, their culture and care,
                                                  and sources—both commercial and
                                                  by member exchange—for obtaining ferns.


                                                  Volume XXXV, Number 5


                                                  MAY FERN SOCIETY MEETING

                                                  The May 2011 meeting of the San Diego Fern Society will be held on May 19, 2011. The program will feature a photo tour of Ed Moore's residential garden in the Pacific Beach area of San Diego. Amna Cornett and Kathie Russell visited Ed in January and took photos. He has acquired many special plants and cared for them over the years. He has ferns, camellias, bromeliads and palms. His extensive collection of mature cycads is beyond mere monetary value. (Read more about cycads on page 2.) Ed, the oldest member of the S.D. Fern Society, has graciously shared his garden with us. Come enjoy this photo tour. The Society meets in Room 101, Balboa Park, at 7:30 p.m.


                                                  NEWS AND NOTES

                                                  San Diego County Fair
                                                  The San Diego Society will have two exhibits at the Del Mar Fair again this year, and you can help. Read article below for details.

                                                  Membership Renewal Time
                                                  Do you still need to renew? Please keep your 2011 membership.

                                                  Refreshment Table
                                                  March refreshments will be provided by Angelina & Richard Lujan and Tim Panzl.

                                                  Plant Table for May
                                                  The weather is great now for planting. Come acquire new ferns and talk with fellow fern society members for tips on growing them.


                                                  Some Cycad Facts for Ferners
                                                  by Kathie Russell


                                                  Cycads (Cycadales) are seed-bearing plants with seeds in a cone rather than a fruit. Thus they are like pines and ginkgoes. All cycads are dioecious, that is, any individual plant is either female or male. Male cones tend to be smaller in size than female cones. Pollinated by insects, the cycad seeds produced germinate in proper growing conditions of heat and moisture. Stems may be below ground level and grow upward to 50 feet. Leaves range from 2-20 feet in length. Leaf color varies from blue-green, yellow-green to dark green.
                                                  The majority of cycad species are found in the sub-tropics with a few in equatorial regions, especially at higher elevations. Habitats include the Caribbean Islands, Mexico southward into South America, as well as southern Japan, and Asian coastal areas from China to India. Cycads also grow in Indonesia, Australia, and Africa---mostly south of the equator. In the U.S. they’re in Florida, and San Diego’s sub-tropical climate allows many cycad species to flourish with proper water and care.  

                                                  All cycads have been declared endangered species and are listed by CITES, the international agreement to protect endangered species, which requires permits for international trade, to reduce illegal taking of plants. But habitats are often destroyed without saving cycads, due to permit requirements.

                                                  One of the Cycads, the C. Encephalartos, had a practical use by people living in Africa. It gets its name from Greek, meaning "bread in head." They previously used the large central pith stem or the starchy seeds to produce flour for a bread-like food. There are over 60 species of C.Encephalartos. They are found in Africa across a large area from Sudan, Central African Republic, Nigeria and Ghana in the north to southernmost South Africa. Most are in eastern and southern Africa. They grow in desert conditions, savanna and forest, but not rain forest, and at elevations from sea level to 8000 feet.

                                                  These rare and exotic plants may be seen in many botanical gardens here in the U. S. Florida’s Fairchild Tropical Botanic Garden has one of the most extensive collections. There are Cycads in California’s Huntington Gardens and the L.A. Arboretum. The San Diego Botanic Garden (formerly Quail), the S.D. Zoo and the Safari Park all have cycads for public view in S.D. County. Take time to go, look at and learn more about Cycads.

                                                  Reference: Whitelock, L.M.
                                                  The Cycads. Timber Press, Portland, OR, 2002.


                                                  San Diego County Fair

                                                  The San Diego Society will have two exhibits at the Del Mar Fair again this year, a garden scene and a container exhibit, and you can help. Fair dates: Friday, June 10 thru Monday, July 4. Mark these two set-up work days: Saturday—May 28, and Saturday—June 4, starting around 8 A.M. Breakdown will be Wednesday, July 5. We like to use the exhibits as a way to inform the public about ferns and display some fern varieties from our gardens. The plants we exhibit in containers are all from our members. Con-sider loaning some ferns in pots to show what can be grown in San Diego. You earn free tickets to the fair when you put in time to help out. Many workers make the task light. Talk to a board member about what is involved, and get directions. It’s fun—come help!


                                                  Ferns A to Z

                                                  This 2011 series is in memory of Robin Halley who began the project in the mid 80s. Each month we are discussing various fern species or genera until we reach the end of the alphabet.

                                                  “C” Ferns

                                                  Come investigate with me, ferns whose names begin with “C.”
                                                  Holly ferns we all know, since they are showy & easy to grow.
                                                  Ferns like Rock Brake, Bladder & Bamboo, all these may be new to you.
                                                  Walking fern is really nice, but it’s difficult---that’s my advice.
                                                  Other “C” ferns come to mind, which we will do another time,
                                                  Like Ceterach and Cheilanthes, both are xerophytes, if you please.
                                                  Tree ferns we will look at later, such as Cibodium and Cyathia.
                                                  The Ceratopteris we can’t forget: being aquatic, it likes to be wet.
                                                  And strap ferns, Campyloneurums? They are now Polypodiums!


                                                  Camptosorus (Walking Fern or Walking Leaf) is a small fern which inhabits limestone rocks in North America and northeast Asia. The leaves are long tapered blades, heart-shaped at the bases. When the tips of these blades rest on the soil, a new plant will form. In a very moist, sheltered rock garden Camptosorus quickly colonizes. Without an ideal environment the parent plant only lives one year, outside of a terrarium.

                                                  Frances Parsons tells of looking in New York state over several years (during the late 1800s) and not finding Camptosorus. “Finally, shortly before moving, we resolved upon a last search. Several miles from home in a partially wooded pasture we noticed a large, shaded rock with mossy ledges. J. went over the fence and there on a projecting ledge was a carpet, a mat, of bluish-green foliage---soon identified by its leathery, tapering fronds as the Walking Fern! We fairly gloated over the quaint little plants, following with our fingers the slender tips to the rooted fronds of another generation.” (p. 147-8)

                                                  Conniogramme (Bamboo Fern) is an easy-to-grow terrestrial fern whose pinnae are lance-shaped, resembling bamboo leaves. It is a hardy fern, with about 20 species, native to the tropics, Mexico and Hawaii. The fronds have only 1 to 3 large pinna, and remind some of Pteris cretica. The many sori on the undersides run along the veins. Conniogramme likes low light. C.japonica has a variegated form with a yellow band down the center of the each pinna.

                                                  Cryptogramma (Rock Brake Fern or Parsley Fern) is a small, coarse fern with triangular, tripinnate (or even quadripinnate) fronds resembling the non-curly kind of parsley. It is bipinnate, having separate fertile fronds with linear pinnules. Cryptogramma is another fern which is found in the Northern Hemisphere, at home in rocky alpine and boreal areas (where north winds blow). This fern is fairly difficult to grow in cultivation, even if it has light shade and continually moist soil with good drainage.

                                                  Cyrtomium (Holly Fern) is a hardy, medium-sized fern with tough, leathery foliage, which is considered easy to grow and can be found in most nurseries. The leaves are a shiny green, some have a “hammered” look. The veins are netted, with round sori scattered over the undersides of the pinnae. Cyrtomiums do best in shade, with rich, well-drained soil and prefer to be on the dry side in winter.
                                                  The most well-known holly fern is Cyrtomium falcatum, or the Japanese holly fern, so named because it is a native in east Asia from Japan to Hawaii, where there are twelve species known. Its fronds grow in circular fashion, forming an attractive crown. The C. falcatum has naturalized in the southern areas of the U.S. and in protected areas on the east coast. C. falcatum ‘Rochfordianum’ is another popular holly fern, having toothed edges that resemble holly. A beautiful holly fern variation is the C. falcatum ‘Mayi’ with crests on the tips of the pinnae and often a forked and crested frond tip.
                                                  Cystopteris (Bladder Fern, Berry Fern, Fragile Fern) is a small, delicate, hardy fern, called by some “a most attractive miniature fern.” The common name derives from its sori coverings; these indusiums have a hood-like inflated appearance. The fronds are bipinnate to tripinnate-pinnatifid on brittle stipes and, depending on the species, can vary from 5” to 2 feet in length. Some species of C. bulbifera produce round bulblets along the underside of the rachis and pinna midribs which fall off and take root, forming a nice growth of light yellow-green ferns.
                                                  When Cystopteris is growing in the wild it is deciduous and is one of the earliest ferns of the year to reappear. By July, its cycle finished and having cast its spore, it disappears again. It does well near falling water and is common in much of the eastern and southeastern U.S. It can be grown in a terrarium.

                                                  We have only discussed the most well-known ferns beginning with the letter “C.” There are others, but they’re less widely grown than these. You can read about other “C” ferns in the books listed below. Worldwide there are perhaps a total of 10,400 fern species in 230-250 genera, according to David Jones! That gives us quite a few ferns to read about.

                                                  Sources:
                                                  Encyclopedia of Ferns, David L. Jones, 1987.
                                                  Encyclopedia of Garden Ferns, Sue Olsen, 2007.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Ferns for American Gardens, John Mickel, 1994.
                                                  Ferns for the Home and Garden, Gillean Dunk, 1982.
                                                  How to Know the Ferns, Frances Theodora Parsons, 1961.


                                                  I am quite of the opinion that a garden should look as though it belonged to a house,
                                                  and the house as though it were conscious of and approved the garden.
                                                  In passing from one to the other, one should experience no sense of discord,
                                                  but the sensations produced by the one should be continued,
                                                  with a delicate difference, by the other.

                                                  Alfred Austin




                                                  LAIFS Fern and Exotic Plant Show and Sale

                                                  The Los Angeles International Fern Society presents the LAIFS Annual Fern Show and Sale June 11-12, 2011, Sat.& Sun., 9- 4:30 pm at the LA Arboretum, 301 North Baldwin Avenue, Arcadia CA.

                                                  Show is free with admission to the Arboretum
                                                  See more than 60 varieties of ferns plus over 70 varieties of orchids, bromeliads, cacti, cycads, terrarium plants, begonias, and tree ferns. Free workshops and lectures are held each day. Over 50 vendors will offer ferns and other rare plants, plus gardening items and fern books for sale. Take your credit card or checkbook, because there will be things you want to bring home! It is worth the drive.



                                                  San Diego Fern Society Officers
                                                  Officers
                                                  President Kathie Russell
                                                  klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (Position Open)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail) 619-697-5743
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard
                                                  dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen
                                                  sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual
                                                  or $10 family) at a San Diego Fern Society meeting or mail a check to:
                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street, San Diego, CA 92103

                                                  Make checks payable to the San Diego Fern Society.

                                                  Addresses
                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com

                                                  Volume XXXV, Number 5

                                                  APRIL FERN SOCIETY MEETING

                                                  The April 2011 meeting of the San Diego Fern Society will be held on the SECOND THURSDAY, April 14, 2011. Our speaker will be Fausto Palafox of Mission Hills Nursery, speaking on Urban Forestry. The Society meets in Room 101, Balboa Park, at 7:30 p.m.

                                                  Fausto Palafox is active in the San Diego Regional Urban Forests Council, whose mission is to optimize community and urban forests in the S.D. region and achieve their sustainability through planning,  education and coordination. “Offering training, advo-cacy and commitment,  we seek to serve and inspire residents & businesses to sustain a  healthy regional ecosystem.” He is also on the board of directors for the CA Urban Forests Council. Join us to learn more about some of ferns’ best friends --- TREES.

                                                  San Diego Regional Urban Forests

                                                  NEWS AND NOTES

                                                  Membership Renewal Time
                                                  Sixteen of you still have last year’s date (’10) after your name on the cover of this Fern World. That means time to renew at a meeting or by mail to continue your membership through 2011. We need you!

                                                  Refreshment Table
                                                  March refreshments will be provided by Millie Sundstrom
                                                  Walt Meier, and Sherry Worthen. Think about becoming the refreshment hostess for our Society meetings. The Host/Hostess often gets to take home some sweet left-overs!


                                                  Plant Table for April
                                                  Spring is in the air. Our plant table will feature ferns with some beautiful new growth, ready to be planted in your garden.


                                                  “Tree at my window, window tree,
                                                  My sash is lowered when night comes on;
                                                  But let there never be curtain drawn
                                                  Between you and me.”

                                                  Robert Frost



                                                  “If I cherish trees beyond all personal...need, it is because of their natural correspon-dence with the greener, more mysterious processes of the mind---because they also seem to me the best, most revealing messengers to us from all nature, the nearest to its heart.”
                                                  John Fowles,
                                                  The Trees



                                                  “Those trees shall be my books.” William Shakespeare

                                                  Ferning Continues in San Diego County in April
                                                  Last month I encouraged you to hike in San Diego's parks to see our native ferns. But what about places to see ferns without hiking? It turns out that several ferns may be viewed from the roadway in Mission Trails Park. Start at the park visitor center (about four miles north of Hwy 8 along Mission Gorge Road you will see the park sign just past Jackson Drive.) The visitor center, open 9 am to 5 pm, is a worth a stop, with interesting park ecology displays, a resource library, and helpful docents to assist you. Labelled examples of native plants surround the visitor center. To explore further, you may drive the one-way roadway designated "Father Junipero Serra Trail." (Bicycles and pedestrians have the other half of the paved road.) After about a mile along this road, begin to watch for fern habitats. (There are vehicle pull offs.) Cheilanthes newberryi (cotton fern) is found in rocky spots, in sunnier locations. Pellaea andromedaefolia (coffee fern) shows up in sunny places also. On the shady rocks, Polypodium californicum (California polypody) is seen frequently, and Pentagramma triangularis (silverback fern) is found in both sun and shade. In my experience, the ferns will extend their roots along lower areas of rocky slopes where any water drains.   Father Serra Trail ends at Old Mission Dam (with access to Mission Gorge Road in Santee). There are records of Asplenium vespertinum (Southern spleenwort), being found across the roadway from Old Mission Dam. I haven't seen it, but would love to hear if you do.   This paved route is very enjoyable on foot, one and three-quarters mile each way, with a slight hill. The riparian habitat follows the San Diego River, and sage scrub habitat is above the river, with chaparral on the higher hills. I saw a great blue heron fishing in the river, and a pair of redtail hawks are nesting nearby. Many wildflowers and native plants have new growth following our rainy winter. Spring is a most enjoyable time for fern enthusiasts to view this area. 
                                                  Kathie Russell


                                                  Common Names versus Botanical or Scientific Names

                                                  In April we are investigating the ferns whose names begin with the letter “B,” and there are only a few. A fern with a “B” name may quickly come to mind, the bracken fern, which grows naturally in S. California. But bracken is the fern’s common name. It is actually one of the
                                                  Pteridium genus, to be discussed later with the “P” ferns.

                                                  This brings up the topic of
                                                  common names versus botanical or scientific names for ferns. Why have scientific names, anyway? Some object because they are “hard to remember.” But common names used locally might not be known in another region, or the same plant might have several different common names. This can cause confusion. Barbara Jo Hoshizaki says that “scientific names offer several advantages over common names. They are understood internationally . . . [and] they indicate a degree of . . . relationship. If you deal with many species and want to be precise when communicating with other plant people, then it is worth the time to learn about scientific names.” (p.140, Fern Grower’s Manual) The scientific name has two words, the first is the genus or family group; the second word denotes a particular plant (species) in that group. In the “B” ferns we have Blechnum gibbum and Blechnum occidentale, both are Blechnums, but two different species. Begin to learn the scientific names. You can do it!


                                                  THE “B” FERNS, FROM THE BOLD BLECHNUM
                                                  TO THE BELITTLED BOLBITIS AND BOTRYCHIUM

                                                  (This 2011 series of articles on the various fern species was a project begun by Robin Halley in the mid 80s; our series is in memory of him. Each month we are discussing various fern species or genera until we reach the end of the alphabet. Many of our fern facts are from articles by Robin Halley, his dad Bob Halley, and other fern authorities.)


                                                  Blechnum ferns have one-pinnate blades, and many of the species have coppery, pink, or reddish young fronds which turn green as they mature. Many of them spread by rhizome or stolon offshoots, putting up clumps. These are generally tropical ferns, distributed throughout the world, most species growing in the southern hemisphere tropics. The species range in size from one to four feet tall. Blechnum have distinct sterile and fertile fronds. Fertile fronds tend to be thinner than the sterile fronds and brownish in color. The spores grow in longish sori along both sides of the midrib on the underside of the blade. As a genus, Blechnum likes to be kept moist, but not wet.

                                                  The Brazilian tree fern,
                                                  Blechnum brasiliense, whose young fronds are often a strikingly bright red, stands up to three or four feet tall and forms a trunk-like stem as it matures. It has leaves up to four feet long. B. gibbum also has a trunk-like stem is the. The B. ‘Cris-pum’ has slightly ruffled frond edges. Many new fronds may emerge at once within the basket-like center. These two are sensitive to transplanting, so choose a location well.

                                                  Other Blechnum ferns are small to medium in size. The Hammock Fern (
                                                  B. occiden-tale), is easy to grow and often spreads quickly to become a ground cover, with leaves 1 to 2 feet long. The bright pink new growth becomes green as fronds mature.

                                                  B. spicant, the Deer fern, is widespread in the northern U.S. regions. This fern grows in moist forests and is one of the few ferns that can live in the acidic conditions of sphagnum bogs. The Deer fern is hardy and suitable for temperate climates, but is difficult to grow in warm climates.

                                                  A cold-hardy fern is
                                                  B. penna-marina (Alpine Water fern), found in Australia, New Zealand and South America. It is small, with 6-12” fronds. It spreads rapidly and likes moist, shady areas. Many other Blechnum species can be found in the tropics (see a fern manual). Sue Olsen calls Blechnum filiforme “a potential conversation piece for fern enthusiasts in the moisture-laden Pacific northwest.” It will climb any tree in its path and spiral its 2-6” fronds upward. New Zealand is another habitat for this fern, nicknamed the Thread fern.

                                                  The
                                                  Botrychiums are small ferns more likely to be seen growing in the wild than in a cultured garden. The nickname Grape fern is based upon the clusters of rounded sporangia which rise on a stalk above the few low sterile fronds. The sterile fronds are leathery, often bright green. B. multifidum, B.dissectum and B. lunaria grow in the northwestern U.S., Canada and New England. B. lunaria,hiding among the grasses, has fleshy pinnules that grow like overlapping moons along the sterile fronds. They like a well-drained, loamy mix, kept moist but not wet. The B. virginianum, Rattlesnake fern, is more hardy, though deciduous, with finely divided triangular fronds. The fertile frond emerges on the stipe just below the fern frond.

                                                  The
                                                  Bolbitis genus of ferns is not usually cultivated. They are small to medium sized ferns which have two different kinds of fronds. The fertile fronds are taller and stand above the sterile fronds. The Bolbitis heteroclita is a smaller fern appropriate for terrariums, where it will form a moss-like mat. B. heudelotii is sold may be bought in aquarium stores for an underwater plant. The Bolbitis ferns grow along a creeping rhizome, are often tender plants that grow along shady stream beds or actually in water. Habitats include tropical America, Africa, the Philippines, Asia and Malaysia. They prefer humusy soil and plenty of water.

                                                  A fern called Bommeria, is one of the xerophytic ferns, and so it will be discussed later in the year with the “X-Y-Z s.”

                                                  Please look over the books listed as References below. Consider buying one or more of them to aid you as you learn more about ferns. Each book has valuable information, diagrams, and color photographs of ferns in natural habitats or in grower’s gardens.
                                                  (In the month of May we look at some ferns with “C” names.)
                                                  References:
                                                  Encyclopedia of Ferns, David L. Jones, 1987.
                                                  Encyclopedia of Garden Ferns, Sue Olsen, 2007.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Fern World article by Bob Halley, 1985.
                                                  Ferns to Know and Grow, Gordon Foster, 1971.

                                                  OTHER FERN SOCIETY NEWS

                                                  Successful Garden Sale
                                                  After a slide presentation and discussion of garden designs and features seen in yards and nurseries, Society members were inspired to give their own gardens a spring cleaning and decorative face-lift. They flocked to tables laden with garden tools, gardening books, plants (from platys to orchids and ferns), and garden deco/retro items (some only vaguely garden or fern-related). They parted with their pocket money for their gardens and for the Fern Society, which brought in over $240.00 for our treasury. Several people said they would like to have another garden sale later on. Good idea!

                                                  Transportation Donation
                                                  One of our Fern Society members, Paula Couturier, has donated a large wagon to our society. We in the Fern Society, as well as the shared botanical community at Balboa Park, want to express our thanks to her for this generous donation. This wagon will augment our plant transportation options, especially at our August show, and the shows of other plant societies who also use Room 101 of Casa del Prado. Thank you, Paula!


                                                  San Diego Fern Society Officers
                                                  Officers
                                                  President Kathie Russell klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (We do not have a program chairman right now.)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual or $10 family) at a San Diego Fern Society meeting or mail a check to:

                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street
                                                  San Diego, CA 92103

                                                  Make checks payable to the San Diego Fern Society.

                                                  Addresses
                                                  E-mail:
                                                  sandiegofernsociety@gmail.com
                                                  Website:
                                                  www.sandiegofernsociety.com

                                                  Volume XXXV, Number 4


                                                  MARCH FERN SOCIETY MEETING

                                                  The March 2011 meeting of the San Diego Fern Society will be held on the FOURTH THURSDAY, March 24, 2011. This meeting is a double feature: first we will enjoy a photo program on home garden art and accessories, and then have A Spring Gardener's Sale! Your usable garden items can be brought to new life and at the same time augment the Society's treasury. Donated items will be for sale, as well as any consignment items.

                                                  The Society will meet in Room 101, Balboa Park, at 7:30 p.m.

                                                  NOTICE OF MEETING CHANGES:

                                                  March Meeting
                                                  to be held on 4th Thursday: March 24
                                                  April Meeting to be held on the 2nd Thursday: April 14.

                                                  NEWS AND NOTES

                                                  Membership Renewal Time
                                                  Please check the number after your name on the cover of this Fern World. Unless it says (’11) or greater, then you need to renew. Bring money or check to a meeting or mail in your renewal (see inside of the back cover) to continue your membership through 2011.

                                                  Refreshment Table
                                                  March refreshments will be provided by Kathie Russell, Gary Bourne and Paula Couturier. We are still looking for someone to be our hostess at each meeting.

                                                  The Plant Table will be part of our Garden Sale this month.
                                                  Come prepared to be inspired and buy interesting things for spring.

                                                  March Garden Sale

                                                  This resale night will bring new life to your usable garden items and at the same time augment the Society's treasury! All sales will follow the program, and proceeds go directly to the society. (Call a board member if you need help getting your items to the March meeting.) Set up is to be 6:30-7 P.M.

                                                  You may donate any of the following suggested items for the Bargains and Treasures Table:
                                                  decorative & usable containers, (no plastic nursery pots)
                                                  terrarium containers, small water features,
                                                  tools in good condition, gardening books,
                                                  statuary or other garden “art,” plant stands,
                                                  ferns & specialty plants (Plants must be pest-free.)
                                                  Please note: no pesticides or toxic substances are allowed.

                                                  We hope you will look through your garage and behind that workbench for items you are no longer using, or plants to share. Your discard could be just the thing to inspire another gardener.

                                                  Staghorn Lovers Take Note: Platycerium Update
                                                  One of our members, Joe Shropshire, went online and found that Roy Vail has, as of January 2009, expanded his Platy-cerium book by adding a DVD which contains Platycerium research papers, hobbyist articles, and hundreds of high resolution color pictures! Go to www.royvail.com to find out more, and consider ordering a copy of the book and the DVD for yourself. Thanks for this information, Joe!

                                                  Ferns A to Z
                                                  This is the second in a 2011 series of informative articles on the various fern species, a project begun by Robin Halley in the mid 80s, so the series is in memory of him. After
                                                  Platycerium night in January, our series began with Adiantums in February. March completes the rest of the “A” team, as Robin called them. Each month we will proceed through various species or genera until we reach the end of the alphabet. We strongly suggest that you consider buying one of the books listed at the end of this article to aid in your learning more about ferns.

                                                  More of the “A” Team: Aglaomorpha, Asplenium, Athyrium, Azolla and Lesser Known “A” Fernlets

                                                  Aglaomorpha are “large, coarse epiphytes forming spreading crowns.” Usually planted in hanging baskets, Aglaomorpha can also be planted in the ground. Aglaomorpha meyeniana is nicknamed the Bear Paw fern for its large furry brown rhizomes, often associated with Polypodia. This fern also develops fronds with wide shield-like bases which closely resemble the growth patterns of Drynaria. There are 10 recognized species of Aglaomorpha growing throughout Southeast Asia, but we only see 4 types commonly here: Aglaomorpha meyeniana, A. coronans, A. Roberts (a cultivar?), and occasionally A. heraclea. All these species can produce large plants with fronds more than two feet long. A. meyeniana has dimorphic fronds with the sterile fronds and the fertile fronds being very different. Once established, these ferns can tolerate some drying out, especially A. coronans. Both A. coronans and A. meyeniana are classified as semi-tender. All forms prefer a quickly draining potting mix and a lot of light.

                                                  The
                                                  Asplenium Fern group, also known as Spleenworts, includes such well-known ferns as Mother Fern and Bird’s Nest Fern. B. Hoshizaki lists 650 species worldwide! Many species of spleenwort grow in the U.S., but most are very difficult to establish and maintain outside of their native habitat. A couple of exceptions to this rule are the Ebony Spleenwort (A. Platyneuron) and the Maidenhair Spleenwort (A. Trichomanes). Both of these do seem to require more attention to soil and water requirements than the “easy to

                                                  grow” ferns, but can be grown here in San Diego. In the cases of these two
                                                  ferns, both seem to seem to like to be planted in loose soil (humus) between limestone rocks. In the case of the Maidenhair Spleenwort, it likes to be wedged right into a pocket between rocks.

                                                  There are only two spleenworts listed as being native to California. These are the Western Spleenwort (
                                                  A. vespertinum) and the Green Spleenwort (A. viride). Both are listed as being fairly rare and difficult to grow in cultivation.

                                                  The two
                                                  Asplenium species that are more familiar and easier to cultivate are the Mother Fern and the Bird’s nest Fern. The Mother Fern (A. bulbiferum) is native to New Zealand, Australia, and Malaysia. It likes to grow in rich, loose, neutral soil. The leaves will wilt quickly if the soil is not kept moist. This plant is called the Mother Fern because of its habit of growing plantlets on the upper part of its fronds. The plantlets will put down roots if they come in contact with the soil.

                                                  The Bird’s nest Fern (
                                                  Asplenium nidus) is one of the most familiar of all the ferns. The plant has simple wavy-edged leaves and will grow happily in a wide variety of light environments. Because it will grow in very low light, tolerates moderate humidity in a warm room, and doesn’t mind being pot-bound, this fern with its simple erect leaves makes an excellent house plant. Bird’s nest ferns also grow well outside. Some will even grow well in 2-4 hours of direct sunlight. In the ground these plants will develop fronds 3-4 feet long. Three interesting varieties of A.nidus are the Japanese, Malaysian, and Lasagna Bird’s nest ferns. Asplenium ferns like soil rich in humus, with constant moisture, and an occasional spraying for indoor humidity.

                                                  In 1985 a new
                                                  Asplenium species was found on Lord Howe Island by Chris Goudey of Australia. It has been named Asplenium goudeyi, and has become popular here in San Diego since Robin Halley brought back two plants in 1996 and has propagated more from spore. This Bird’s nest fern is smaller, grayer and has more leathery, erect fronds which reach about 2 feet. It grows naturally in the sun and wind in crevices on the sides of cliffs and occasionally in trees at the edge of the forest. It is therefore well-adapted to our climate and seems very happy in a semi-sunny spot in the garden. Use a very coarse mix, keep under-potted, water sparingly and use a weak fertilizer fairly often.

                                                  Athyrium ferns are typically delicate-looking, earning the nickname Lady Ferns (also called Glade Ferns). These are soft ferns, medium to large in size, which grow worldwide and have over 150 recognized species. Athyrium are mostly

                                                  Ferning in March   In San Diego and around the county, ferns are green and growing during March. Other than at high elevations, I find the best time of year to view native ferns is right now. The desert has some ferns hidden away in canyons and under rocks, but after this month things get a little hot out there, so visit soon for ferns and wildflowers.   However, you can enjoy the outdoors right here within the city limits. I found the native fern Pentagramma triangularis in Florida Canyon in Balboa Park. Polypodium californicum is easily viewed from Guy Flemming Trail and other areas in Torrey Pines State Reserve.   Also here in the city you can see native ferns at Mission Trails Regional Park. This park has 40 miles of trails for your exercise and pleasure, but my favorite fern spot doesn't require a long hike. About a one-mile walk north on Oak Canyon Trail from Old Mission Dam will bring you to oaks, sycamore trees, waterfalls and ferns. You are in a city park, but you will really feel out in the natural environment. On this trail in early March the first fern I found was Cheilanthes newberryi (cotton fern), in rocks facing east. Then in a sunny spot past the largest oak tree, but before the trail turns west to the first waterfall, I found Pellaea andromedaefoila (coffee fern). Polypodium californicum (California polypody) was on the north-facing slopes near the waterfall and along this area of the creek. Adiantum jordanii (California maidenhair) grows in several places here. Pentagramma triangularis (silverback fern) is tucked into rocky walls both east-facing and north-facing. Crossing the creek, the trail again turns northward to another waterfall, and nearby on the sunny hillside I found Pellaea mucronata (birdsfoot fern).   It's worth the walk just to see a creek and waterfalls in the city. Ceanothus colors the hillsides purple, and you'll find bush monkeyflower (Mimulus aurantiacus) nearby. You'll see wildflowers such as blue dicks, and in partial shade, there is miner's lettuce, selaginella and mosses. The native ferns are green and growing, the waterfalls are flowing, so now is the time to . . . enjoy! Kathie Russell

                                                  “Spring is a happiness so beautiful, so unique, so unexpected, that I don’t know what to do with my heart.” Emily Dickinson

                                                  How Does It Work to Sell Something by Consignment?
                                                  Some of you may prefer to take part of the sale price for yourself. Then those items can be sold by consignment. Our consignment system is part of our agreement with the park.

                                                  To sell by consignment, please bring a list of your items with the prices you wish to charge. The minimum price for these items will be $3. If you choose to sell by consignment, then both you and the society will divide the sale price (member, 2/3---Society, 1/3) . Payments to sellers (2/3 of your total sales) will be made within 30 days.  Come at 7 p.m. to check in with a board member before the program. All consignment items must already be priced, and unsold items go home with the seller.

                                                  We, the Fern Society members, must be able to transport everything in wagons to/from our cars, and everything must be removed from the building by 9:30 pm. So we are unable to accommodate very large or heavy sale items. Your help will make this event a success!  

                                                  Spring came that year
                                                  like magic and like music and like song . . .
                                                  it came like music faint and far,
                                                  and a sound of singing in the air,
                                                  with lutings of sweet bird cries at the break of day.
                                                  And one day it was there upon the city streets
                                                  with a strange, sudden cry of green,
                                                  its sharp knife of wordless joy and pain.
                                                  Thomas Wolfe

                                                  The “A” Team Ferns (continued)
                                                  deciduous hardy ferns, meaning that they lose all their fronds and lie dormant during winter, then return in the spring. They send up some new growth in the spring, but unlike many deciduous ferns they continue to release additional croziers until late summer. Most
                                                  Athyriums are classified as easy-to-grow, needing moist to moist-wet conditions and low to medium light. The most common Athyrium we see here is A. filix-femina, the original Lady Fern. This fern is easy to grow and in some Southern California areas will grow year-round. An Athyrium seen more lately is A. niponicum ‘Pictum,’ the Japanese Painted Fern. This fern is quite striking with soft gray-green hues shading into darker green on the leaves and contrasted to wine red coloring on the rachis and mid-ribs.

                                                  Azolla, or Mosquito Fern, is one of the aquatic ferns, free-floating in water. There are 5 or 6 recognized species. They prefer warm, sluggish water and grow quite rapidly, often overwhelming other aquatic plants. This ability to cover the water surface discourages the growth of mosquitoes, hence the nickname, Mosquito Fern. Azolla have thread-like roots, and tiny (1/32 inch) leaves. Each leaf has a green upper lobe and a colorless lower lobe. All species live in a symbiotic relationship with a blue-green alga called Anabaena azolla, which lives in the pouch on the fern’s leaves. This alga has the ability to fix nitrogen, combining it with other elements into a usable form. (Another “A” fern is the Acrostichum, a very large water-loving fern, will grow up to 7 feet in mangroves & brackish marshes!)

                                                  Of course there are many other ferns whose names begin with “A,” like Actiniopteris, Angiopteris, and Arachniodes, all worth investigating. A small to medium-sized fern called Anemia is unique for its development of erect, fertile, branchlike leaflets on the two lower pinnae of each stalk. These fertile stalks bear sporangia with no indusium (cover). Its 90 recognized species grow mostly in the American tropics and subtropics.

                                                  References:
                                                  Encyclopedia of Ferns, David L. Jones, 1987.
                                                  Encyclopedia of Garden Ferns, Sue Olsen, 2007.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Fern World articles by Robin and Bob Halley, 1985-6, 1993, 2000.

                                                  (In the month of April we will examine ferns with “B” names.)

                                                  San Diego Fern Society Officers

                                                  Officers
                                                  President Kathie Russell klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (We do not have a program chairman right now.)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual or $10 family) at a San Diego Fern Society meeting or mail a check to:

                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street
                                                  San Diego, CA 92103

                                                  Make checks payable to the San Diego Fern Society. The membership form is on the back page of the newsletter.

                                                  Advertising
                                                  Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at 619-281-1017.

                                                  Addresses
                                                  E-mail:
                                                  Address comments to any board member above.
                                                  Website: www.sandiegofernsociety.com

                                                  Volume XXXV, 3
                                                  FEBRUARY FERN SOCIETY MEETING

                                                  The February, 2011 meeting of the San Diego Fern Society will be held Thursday, Feb. 17, 2011. The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.   This month our program is “A Photo Tour of San Diego Area Nurseries.” We will explore the unique products in various nurseries and enjoy their garden ambiance. Availability of ferns will be noted, as well as special features of interest to both gardeners and non-gardeners. Kathie Russell and Amna Cornett will be our guides as we are taken on a photo tour of fifteen San Diego county nurseries.

                                                  NOTICE OF MEETING CHANGES:
                                                  March Meeting
                                                  to be held on 4th Thursday: March 24
                                                  April Meeting to be held on the 2nd Thursday: April 14.

                                                  NEWS AND NOTES

                                                  Membership Renewal Time
                                                  Check the number after your name on the cover of this Fern World. Unless it says (’11) or greater, then you need to renew. Bring money or check to a meeting or mail in your renewal (see inside of the back cover) to continue your membership through 2011.

                                                  Refreshment Table
                                                  February refreshments will be provided by Amna Cornett, Martin Dominguez and Don Callard. We are still looking for someone to be our hostess each month.

                                                  Plant Table
                                                  Time to select some interesting ferns for spring planting.

                                                  Fern Society Meeting Dates for 2011
                                                  This year almost all meeting dates will be on our traditional “third Thursdays.” Only two months have changes:

                                                  March Meeting to be held on 4th Thursday: March 24
                                                  April Meeting to be held on the 2nd Thursday: April 14.

                                                  We will be remind you of these 2 changes at the February and March Fern Society meetings. Mark your calendars.

                                                  March Meeting Madness? March’s meeting is shaping up to be a unique double-feature!
                                                  1) A photo program on home garden art and accessories,
                                                  2) and a deluxe, first-ever, spring gardener’s sale!

                                                  We are hoping that all members will donate gently used items for the March garden sale. Your discard can be brought to new life by another gardener, and at the same time augment the Society's treasury! (Call a board member if you need help getting your items to the March meeting.)

                                                  Items to bring for the sale: decorative & usable containers,
                                                  terrarium containers, (no plastic nursery pots)
                                                  tools in good condition, gardening books,
                                                  small water features, statuary or other garden “art,”
                                                  ferns & specialty plants, plant stands, and other stuff!

                                                  If you choose to sell by consignment, then both you and the society will divide the sale price (the usual 2/3---1/3 split).

                                                  Please start looking through your garage and behind that workbench for items you are no longer using, or plants to share. This could be the start of something big (and fun)!

                                                  Ferns A to Z
                                                  During 2011
                                                  Fern World will present a series of informative articles on the fern species. This was a project begun by Robin Halley in the mid 80s, so the series will be in memory of him. Many of our fern facts will be taken from articles by Robin and other fern authorities.

                                                  January’s meeting has traditionally been Platycerium Night, one of the “Ps.” Therefore this series will begin with Adiantums in February, more of the “As” in March, and proceed monthly through various species or genera until we reach the end of the alphabet.


                                                  Adiantums

                                                  Adiantums, or maidenhair ferns, “reign as undisputed queens” of the ferns (David Jones). They are known for their fine, billowy fronds and dark brown or black shiny stipes. Their native habitats include Central and South America, Southeast Asia, South Africa and China. Nearly all prefer open forests or margins of rainforests, with high light and well-drained, moist soil.

                                                  There are many (over 200) cultivars of maidenhairs. All come from three species:
                                                  Adiantum raddianum, A. capillus-veneris, and A. tenerum. Look at a fertile frond. You can tell from which species it comes by these guidelines. The sporangia on A. raddianum are all reniform (kidney-shaped). A. capillus-veneris and its cultivars have elongate, slightly concave indusia. A. tenerum ferns also have elongate indusia, usually much more shallow, but they are not concave. And the pinnae of A. tenerum are usually more inflated.

                                                  Several Adiantum varieties can be commonly found in gardens and nurseries. A. raddianum “Pacific Maid” grows rapidly, is fan- shaped, with crowded pinnae. A. raddianum “Fritz Luthii” has triangular-shaped fronds with overlapping pinules. A very similar species is A. raddianum “Ocean Spray,” whose fronds are nearly flat with pinnules all in one plane. A lovely maidenhair is A. peruvianum, the silver dollar fern, so named because it has large rhombic-shaped pinnules. Adiantum trapezeforme looks very similar, but has strongly serrated petioles. Another species, the A. macrophyllum, has even larger segments, and is quite impressive to behold.

                                                  The
                                                  Adiantum capillus-veneris species is readily available in nurseries and is easy to grow. The rolled edges of each petiole can be clearly seen on these ferns. This forms the indusium (or spore case) and encloses the sporangia. (It is actually a false indusium. A true indusium on a fern is a part of the under-surface epidermis growth.) This rolled edge of the petioles is a characteristic feature of the maidenhairs.

                                                  The
                                                  Adiantum aethiopicum is quite an aggressive fern which will spread right across a pot and escape wherever it has the opportunity, commonly out the drainage holes. It is native to every state in Australia, and will do well in an exposed area of the garden. Both A. hispidulum (also called rosy maidenhair for its pink new growth) and A. pedatum have clustered fronds that resemble hands. But the fronds of A. pedatum grow in a more circular pattern. A western U.S. form is the A. aleuticum.

                                                  There are several varieties of maidenhair fern that are dramatically different in one way or another. The
                                                  Adiantum formosum is a medium to large sized fern with large, triangular fronds spaced quite far apart on the creeping rhizome, giving it an airy look. Some species are desired for their small, very fine segments, such as A. raddianum “Gracillimum” and “Micropinnulum.” Adiantum tenerum “Farleyense” has
                                                  very ruffled, crowded, arching fronds; so does
                                                  A. capillus-veneris “Imbricatum,” or Green Petticoats, a challenging fern to grow.

                                                  There are up to ten variegated varieties of Adiantums. The
                                                  A. raddianum “Variegatum” fern has marbled green and cream-white petioles; it is slow-growing cultivar. Other varieties of maidenhair may have tessellate, double, clustered, or crested forms. These are often more difficult to find and to grow.

                                                  Adiantum caudatum looks best in a hanging basket. This fern has long one pinnate fronds up to 20” long, whose tips can bear buds capable of becoming new plants. Another unusual maidenhair is the Adiantum reniforme, which has small, kidney-shaped entire-margined petioles along a short, creeping rhizome. This difficult-to-grow native of Africa likes low light and moist potting soil.

                                                  The frond surfaces of maidenhairs are covered with fine cilia (hairs) which repel water. But finely segmented cultivars may rot if watered from above.
                                                  Adiantums are perfectly happy in shallow containers, enjoy a very open soil mixture, and like lime in the soil. Circulating air is better for them than a still, overly-humid environment, and may account for the scattered spore often taking residence in other fern pots of a greenhouse. Gardeners inevitably learn that maidenhairs will not tolerate drying out completely. The only hope for an Adiantum that became too dry is to give it a complete “haircut” and to try and bring it back to life with new growth from the roots. Adiantums will greatly enhance any garden.

                                                  References:
                                                  “Adiantums,” Chris Goudey. Fern World, August 1996.
                                                  Fern Grower’s Manual, Hoshizaki and Moran, 2001.
                                                  Maidenhair Ferns in Cultivation, Christopher Goudey, 1985.

                                                  (Stay tuned next month for more of the Ferns with “A” names.)


                                                  San Diego Fern Society Proposed Budget for 2011
                                                  The following estimated budget is proposed by the Fern Society Board based upon experiences of recent years. Plan to attend the February meeting for discussion and vote.

                                                  Proposed Budget --- Income for 2011

                                                  Advertising $ 0
                                                  Book sales 100.
                                                  Donations 300.
                                                  Dues 600.
                                                  Hort. material 60.
                                                  Interest Income 0
                                                  Merchandise 0
                                                  Name badges 0
                                                  Other, Non-Taxable Income 0
                                                  Party Income 100.
                                                  Plant Sales 300.
                                                  Plant table income 600.
                                                  Prizes & Awards (Fair) 1,250.
                                                  Show Income 0
                                                  Show Plant sales 5,000.
                                                  TOTAL INCOME $ 8,310.

                                                  Proposed Budget --- Expenses for 2011
                                                  Assn. Dues $ 0.
                                                  Am. Fern Soc. 0.
                                                  Quail Botanical Soc. -50.
                                                  SD Botanical Soc. -75.
                                                  SD Floral Soc. -35.
                                                  SD Horticultural Soc. 0.
                                                  Bank Charge -200.
                                                  Books for sale -100.

                                                  Exhibit expenses -300.
                                                  Fees -20.
                                                  Fern World Postage -460.
                                                  Printing -1,200.
                                                  Other costs -20.
                                                  Gifts & Honors -100.
                                                  Hort. supplies -50.
                                                  Library Supplies -30.
                                                  Books -50.
                                                  Marketing 0
                                                  Meeting plant cost -600.
                                                  Name Badge Cost 0
                                                  Off Budget 0
                                                  Operating Exp. 0
                                                  Party Costs -80.
                                                  Program Speaker Fees -400.
                                                  Refreshment Table Supplies -30.
                                                  Sale Plants -150.
                                                  Show expenses -250.
                                                  Show Plants -3,000.
                                                  Show PR Costs -50.
                                                  Show Trophies, etc. -250.
                                                  Storage Rental -480.
                                                  Taxes, State -230.
                                                  Web Page -100.
                                                  Web Domain Name 0
                                                  TOTAL EXPENSES: $ -8,310.

                                                  Total income: $ 8,310.
                                                  Total expenses: $ -8,310.
                                                  Difference: 0


                                                  San Diego Fern Society Officers

                                                  Officers
                                                  President Kathie Russell klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (We do not have a program chairman right now.)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton kwyjibo@san.rr.com

                                                  Membership
                                                  Please pay your 2011 dues ($8 individual or $10 family) at a San Diego Fern Society meeting or mail a check (payable to the San Diego Fern Society) to:

                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street
                                                  San Diego, CA 92103

                                                  E-mail: Address comments to any board member above.
                                                  Website: www.sandiegofernsociety.com

                                                  Volume XXXV, Number 2
                                                  JANUARY FERN SOCIETY MEETING

                                                  The January, 2011 meeting of the San Diego Fern Society will be held Thursday, January 20, 2011. The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.

                                                  It is the annual Staghorn Night, with the program topic:
                                                  All You Ever Wanted to Know About Staghorn Ferns But Were Afraid to Ask. Come hear experts tell about habitats, how to mount, and how to care for them.  Questions and observations will be welcome. An article on page 2 has more about this popular annual meeting.

                                                  NEWS AND NOTES

                                                  Membership Renewal Time
                                                  This may be the last year ever for the bargain prices of $8.00 for a single membership or $10.00 for a household, covering your enrollment from January through December. Please see Bill Ganger or Amna Cornett to continue your membership through 2011.

                                                  Refreshment Table
                                                  January refreshments will be provided by Gary Bourne, Kathie Russell and Bruce Barry. A refreshments sign-up list for 2011 will be circulated at this month’s meeting. Consider being our hostess!

                                                  January 2011 Plant Table

                                                  The plant table will feature Staghorn ferns. Bring platys to donate or sell by consignment. See page 2 for details. Come early,
                                                  with cash, for some great platyceriums. Plan to be there Thursday, Jan. 20.

                                                  Name Tags---Ring in the New Year with a Name Tag
                                                  Gary Bourne has a clip-on or pin name tag in your size, at the low cost of $6. This is the best bargain of the New Fern Year.

                                                  Fern Society Meeting Dates for 2011

                                                  The 2011 New Year holds many possibilities for the San Diego Fern Society. This year almost all meeting dates will be on our traditional “third Thursdays.” Only two months have changes:

                                                  March Meeting to be held on 4th Thursday: March 24
                                                  April Meeting to be held on the 2nd Thursday: April 14.

                                                  We will be reminding you of these 2 changes at the February and March Fern Society meetings. Mark your calendar, so that you can arrange to attend each meeting of 2011.

                                                  Annual Platycerium (Staghorn) Night This month’s program, as it is each January, is devoted to the species Platycerium, commonly known as Staghorn Ferns. Feel free to come with questions and contributing comments. We’d like to see your special Platycerium; bring it to the meeting and show it off. We all learn a lot at this meeting.

                                                  As an added feature the plant table will feature stags for sale. Members are encouraged to bring in stags that they would like to sell, donate, or trade. 
                                                  Please bring a list of the ferns you intend to sell by consignment, along with prices you have set on each fern. (Consignment fern sales remit 2/3 of the sale price to the owner and 1/3 to the Society.) Please label each sale fern with fern name, price, and seller name.

                                                  No tickets will be sold this month only. You may purchase plants each time your name is called by random drawing.  Don't miss out on this great opportunity to obtain many
                                                  Platycerium species not normally available from nurseries.





                                                  Robin Halley 1944-2010

                                                  The worldwide Fern community has lost one of its most ardent enthusiasts. Nearly everyone on 6 continents who was interested in ferns knew Robin Halley’s name and his reputation as a person of extensive fern information. He networked with others passionate about ferns, maintained a question-and-answer forum by email and began a website for the San Diego Fern Society. He traveled to Great Britain, China, New Zealand, Australia, Costa Rica and other tropical countries to meet with fellow ferners, tour their gardens, and speak to their fern societies. While there he would trek the backwoods looking for ferns, photographing, and often arranging to bring back unusual specimens, enduring the numerous exporting and importing regulations at home and abroad. All this while working for a San Diego computer firm.

                                                  Robin Halley became interested in ferns in the early 1980s, and quickly joined the San Diego Fern Society which had just been established a few years earlier. He began collecting ferns, learning their botanical names, and creating the outdoor and indoor environments that gave each one the proper temperature and moisture to thrive. There were shelves, shade structures, and enclosed containers filling all possible spaces on his La Jolla property. The collection grew to over 400 different ferns of perhaps 300 different species. He felt that an avid collector could amass perhaps 1,500 ferns in a lifetime (he seemed to want to do it), which would be only 10% of the world’s ferns, he said. Unusual ferns from his collection were always highlights of and top prize-takers at the annual San Diego Fern Society show.

                                                  Robin shared his knowledge of ferns with the his local fern society and with the Los Angeles International Fern Society. He gave many lectures and demonstrations, wrote numerous articles, and served as Fern World editor for years. He would generously share divisions of his ferns with interested members of the San Diego Fern Society. He wanted to increase the public’s awareness of the variety and beauty of ferns, and help people to obtain and successfully grow them. He could offer probable identification of an unknown fern, especially if, as he would point out, the grower had a mature frond with spore, and hopefully some of the rhizome (root) structure!

                                                  Robin had courageously waged a determined 5-year war against cancer. A celebration of his life was held on January 8, 2011. His wife Linda gives his preferences if anyone is interested in making a donation in Robin’s memory: Moore’s Cancer Center, San Diego Hospice, and Lung Cancer Alliance. We will miss him, and we acknowledge and honor his contributions to pteridology.






                                                  Platycerium Bifurcatum Naturalizes in Florida

                                                  Kathie Russell

                                                  The common staghorn fern (Platycerium bifurcatum) grows readily in our yards and patios in San Diego. It seems to tolerate the short duration of cold temperatures in coastal areas and at least as far inland as my yard in La Mesa. In our temperate Mediterranean climate they do not require special care. (However, water is important!)

                                                  All species of the Platycerium genus are found growing in natural habitats entirely in the Old World tropics with one exception. That is the Platycerium andinum, which is found in South America. The Platycerium bifurcatum is native to eastern Australia. With many cultivars available, this is the platy most commonly grown in San Diego.

                                                  Then recently an unusual find was reported by Robert Pemberton of the Invasive Plant Research Laboratory in Ft. Lauderdale, Florida (US Department of Agriculture). He has observed staghorn ferns growing "wild" in areas around Ft. Lauderdale in Broward County. What does it mean for a plant to naturalize (or “grow wild?”) One definition I found: to cause (as a plant) to become established as if native.

                                                  He reported finding volunteer P. bifurcatum plants in 2001 in two residential neighborhoods, growing on live oak trees (Quercus virginiana) in locations where cultivated stags were being grown nearby. Then in January, 2002, he observed naturalized stags about five miles away in Tree Tops County Park, Broward County, Florida. There he counted a total of 19 plants on 11 large live oak trees, growing 15 to 30 feet above the ground. That same month he also found a medium-sized stag at Broward County Flamingo Environmentally Sensitive Lands Site, approximately 3 miles from the park. I do not see the potential of naturalized stags here, but now we know we can go to Florida to see Platycerium bifurcatum growing wild without having to travel all the way to Australia. And who knows? When the wind starts to blow and the spore begin to scatter . . .

                                                  Sources:
                                                  1. Http://www.
                                                  merriam-webster.com/dictionary/naturalized
                                                  2. Hoshizaki and Moran:
                                                  Fern Grower's Manual, 2001.
                                                  3. Pemberton, Robert W.
                                                  American Fern Journal, 93 (4), 2003.


                                                  San Diego Fern Society Website Update

                                                  There is a new and exciting Website beginning to take form. It is
                                                  our very own, 2011 updated version of the fledgling website begun
                                                  by Bob Halley and developed further by Robin Halley. Please go to
                                                  www.sandiegofernsociety.com and give it a look.

                                                  The website still has the familiar extensive list of fern species with
                                                  descriptions and growing conditions. And now there have been
                                                  many links added for fern enthusiasts including other fern
                                                  societies, places to obtain ferns and spore, lists of books about
                                                  ferns, and some of the informative articles from previous
                                                  Fern Worlds.

                                                  The site is still “under construction” by Bob Charlton and Bill
                                                  Ganger. Soon it will provide the latest information about our
                                                  society’s activities, meetings and shows. Send an email to
                                                  Bob or Bill about what you’d like to see there. . . to be continued!

                                                  Some Tips for January Fern Maintenance
                                                  Bob Halley


                                                  This month the weather turns (sort of) cold here in San Diego and fern growers need to be concerned about the changing requirements of their plants during the winter months. Because of the temperate climate enjoyed in Southern California, we have an extended growing season. This means that most of our ferns never completely stop growing.

                                                  In January, however, there are a few tasks to which we can attend and some changes we can make to help our ferns survive the winter.

                                                  Because the weather is cooler, the soil will stay wet longer. Over-watering is the number one killer of ferns and a normal summer-watering may drown your fern. Likewise, since the plant is not using the nutrients, they will tend to build up in the soil and can end up burning the roots, so fertilize less.

                                                  Another task is to move the tenderer plants into protected areas. For some plants, this may mean a move indoors. For others, this is a move to a spot with better air movement so there is less likelihood of frost.

                                                  Many hardy ferns are deciduous (they seasonally lose all their leaves) and will likely die completely back in winter. You should cut off all the dead fronds, cut back on the water, and cut out all fertilizer.

                                                  Depending on your area, when the danger of frost is past, you can cut back all the fronds of many types of ferns. You wait until after the frost because cutting back the fronds will stimulate new growth. The best candidates for a winter “haircut” are
                                                  adiantum, davallia, polypodium, aglaomorpha, drynaria, and other footed epiphytes.

                                                  If a plant is not doing well, avoid cutting off all the fronds at this time. The plant needs all the chlorophyll-making apparatus it has. Likewise, this
                                                  is not the time to divide or transplant your plants. The best time for that is during the early spring when the ferns are beginning to wake up and have a long growing period to grow roots and become established.

                                                  How Shade Variations Can Affect
                                                  the Growth of Platyceriums
                                                  Ralph H. Hughes
                                                  (
                                                  Fiddlehead Forum, 1989)

                                                  Staghorn ferns prefer less shade and are compatible with more light than most other ferns as well as the array of exotics that ply the nursery trade. Minimum-maximum shade cloth requirements vary widely, from 0 (no filtering) to 40% for P. veitchii and 60-80% for P. hillii. Filtering is usually needed in sunny climates to prevent sun-scald, a plant disease resulting from excessive transpiration. Broad-leafed forms of P. bifurcatum and P. hillii are the most sensitive.

                                                  Platycerium superbum, despite its evergreen foliage, prefers high light, but is damaged when exposed to full sun during the high sun season in southwest Florida and needs filtered light during the hottest part of the day. The base fronds thrive, are more luxuriant, firmer, thicker, and grow more rapidly in 30-60% shade than in dense shade.

                                                  Of all the Platyceriums,
                                                  P. veitchii is the least shade-tolerant. When fully acclimated, it can endure the noon sun of a bright, cloudless summer day, in light of high intensity. The stiffly upright, densely white tomentose foliage fronds will grow in the open or under 30 % plastic cloth.

                                                  P. willinckii is an adaptable form, growing in 30-80% shade. But in low light, it will develop the long, decumbent, gray-green foliage fronds. Needs and tolerances for P. venosum are being observed, and seem similar to that of P. willinckii. Platyceriums change their growth according to how much light they are receiving.

                                                  San Diego Fern Society Officers

                                                  Officers
                                                  President Kathie Russell klrkath@yahoo.com
                                                  1
                                                  st Vice Pres. (We do not have a program chairman right now.)
                                                  2
                                                  nd Vice Pres. Gary Bourne (regular mail)
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Don Callard dcallard@san.rr.com
                                                  Board Member Bruce Barry (regular mail)
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                  Webmaster Bob Charlton kwyjibo@san.rr.com

                                                  Membership
                                                  Amna Cornett is our membership chair. Please pay your 2011 dues ($8 individual or $10 family) at a San Diego Fern Society meeting or mail a check to:

                                                  San Diego Fern Society Membership Chairman
                                                  3905 Ibis Street
                                                  San Diego, CA 92103

                                                  Make checks payable to the San Diego Fern Society.

                                                  Advertising
                                                  Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at 619-281-1017.

                                                  Addresses
                                                  E-mail:
                                                  Address comments to any board member above.
                                                  Website: www.sandiegofernsociety.com


                                                  Volume XXXV, Number 1

                                                  Not Available
                                                  NOVEMBER FERN SOCIETY MEETING

                                                  The November meeting of the San Diego Fern Society will be held Thursday, November 18, 2010. One of our own members, Amna Cornett, will give a presentation on Ferns and Plants for Terrariums.

                                                  Amna will be telling us about how she achieves success with terrariums (in the past hers have taken blue ribbons at the annual Fern Shows), from soils and layering to lighting and appropriate plants. This is a program you will want to attend and take notes about! The San Diego Fern Society meets in Room 101 of Casa
                                                  del Prado in Balboa Park at 7:30 PM.

                                                  NEWS AND NOTES

                                                  Refreshments
                                                  November refreshments will be provided by Alva Whetton and Martin Dominguez. Come and enjoy.

                                                  Membership Renewal Time
                                                  Your annual membership fee for SDFS is still $8.00 for a single membership or $10.00 for a household. This covers your enrollment from January through December. Please see Bill Ganger or Amna Cornett to renew your membership for the 2011 year.

                                                  Plant Table
                                                  The November plant table will have some lovely ferns for your autumn planting and enjoyment. Try something new this month.

                                                  Name Tags---The Perfect Autumn Accessory
                                                  Now is a colorful time of year to get Gary Bourne to order a pin or clip-on tag for you at the low cost of $6. Name tags are friendly.

                                                  President's Corner
                                                  This has been a year of terrific activities and events for the San Diego Fern Society. This summer we held a garden tour, first in many years, and our annual August show was a big success.

                                                  Nomination recommendations will be made at the November meeting.  One of this year’s goals has been to encourage more member activity in the Society, so this is your opportunity. If you or someone you know is interested in serving as an officer, let a board member know prior to the meeting on November 18, or make a nomination from the floor at that meeting.

                                                  The Board has been discussing several ideas for programs for the coming year and has expanded the scope of presentations in light of suggestions on the recent questionnaire.  We hope to have such topics as making terrariums, local nurseries of interest, virtual tours of famous Botanical Gardens, and the possibility of a Fern "Swap Meet" night, to name a few.  It’s a good time to invite a friend to visit and consider joining! Don Callard, President

                                                  Fern Society Holiday Party

                                                  This year’s party will be held on Dec.16, at the reasonable price of $3. each. (see Bill Ganger to reserve a spot & pay). Ham and turkey will be provided by the society, as well as beverages, rolls & butter. Expect seasonal music and songs.

                                                  Please bring a side dish or dessert (with serving utensils) to feed 8-10 people, and we request that you bring your own plates, glasses, napkins and silverware. Doors open at 5:30 for set-up and the party begins at 6:30. To help “deck our halls” and add a festive look, please bring a floral table centerpiece. Transport carts are available!


                                                  NOMINATION COMMITTEE NEWS
                                                  The nomination committee (Alva Whetton and Martin Dominguez) present this slate of nominees for elected positions for 2011:

                                                  Officers
                                                  President Kathie Russell
                                                  1
                                                  st Vice President (program chairman) Robin Halley
                                                  2
                                                  nd Vice President (plant procurement) Gary Bourne
                                                  Treasurer Bill Ganger
                                                  Secretary Amna Cornett
                                                  Directors Past President: Don Callard
                                                  Board Members:
                                                  Bruce Barry, Bob Charlton, Sherry Worthen
                                                  At the November meeting additional nominations may be made from the floor, provided that the person nominated is a member of the society, able to attend the meetings and has given prior consent. Nominations will then close and the list of nominees will be mailed to the membership in the Dec.
                                                  Fern World. The election & installation will be held the Holiday Party and Annual Meeting.

                                                  December Nights Celebration in Balboa Park Dec. 3-4

                                                  This delightful free event is held annually on the first weekend of December. There’s music, delicious foods, and a live Nativity tableau at the Organ Pavilion. Not to be missed is the presentation of Christmas trees in Casa del Prado’s Room 101. Plant societies, under the direction of the San Diego Botanical Society, each decorate a tree. Our Fern Society tree is often constructed entirely of live ferns (on a triangular plant stand). The room is filled with the scent of fir. Those who attend vow to come back every year. Why not make plans to visit Balboa Park this year for December Nights? It’s best to go early each evening; shuttles are available. December Nights will be running Friday night, Dec. 3 from 5:00 – 10:00 p.m. and Saturday, Dec. 4 from Noon to 10:00 p.m.

                                                  What Season Is It? observations by Kathie Russell   Autumn in San Diego seems to always have changeable weather: from hot to cool, dry or extreme dry "Santa Ana" conditions, fog and misty rain, occasional thunderstorms . . . What does this mean for the plants and ferns in your garden?

                                                  When I moved to my current house there were old avocado trees in the yard. I went to the library and found a book on avocado culture, and learned what to do, when to expect the avocados, and so forth. But the avocado trees did not read that book. If we had a hard frost, the avocados were lost, and the trees started the fruiting cycle over. When we had 100 degree temperatures while the tree was in bloom, the blossoms died. The tree began to bud and bloom again, to produce avocados.   Similarly, our ferns follow seasonal patterns. But there can be a great deal of variation in dormant and growing times of ferns. This year in the month of October I found lush new fiddleheads typical of spring on several ferns:
                                                  Adiantum hispidulum, Blechnum occidentale, Sphaeropteris cooperi and others. Meanwhile some plants are definitely going into a slow growth or dormant period such as Adiantum capillus-veneris, Adiantum raddianum and Dryopteris erythrosora.  A general suggestion is to not water plants much when they are not growing, although ferns should not dry out completely. Also most plant enthusiasts suggest not fertilizing outdoor ferns when growth slows with colder weather and less sunlight. This month is also a time to trim back the battered, barely-green fronds for a better look. I didn’t cut any ferns completely back, just cleaned them up a bit. Here in San Diego, we can have something green and beautiful all year!

                                                  Pacific Northwest Ferning by Sue Olsen
                                                  (adapted from an article published in the 2010
                                                  British Pteridologist)

                                                  The public gardens in the greater Seattle/Tacoma Washington area are now actively promoting ferns in prominent collections. It is no longer unusual to find colorful sweeps of
                                                  Dryopteris or Blechnum, newly introduced sturdy polystichums or a rare Pyrrosia featured in the gardens. The Hardy Fern Foundation is active in this effort, and I feel a personal association with a number of these. The fern collec- tions in public gardens provide educational benefits as more of the gardening and general population view them. In alphabetical order, here are some of the very worthy gardens in this area.

                                                  The Bellevue Botanical Garden in Bellevue, Washington, was a gift of 7.5 acres (now expanded to 53 acres) to the city from Cal and Harriet Shorts. A main feature is the large perennial bed surrounded by a Japanese garden, a rhododendron glen, and a marvelous woodland trail. Ferns are found along paths of a shaded area, and also in an undeveloped woodland area where majestic colonies of Polypodium glycyrrhiza can be found along the tranquil trails beneath canopies of big leaf maple trees. One of the most publicized events here is a holiday display of 500,000 lights crafted to look like recognizable plants. The garden is open daily without charge.

                                                  The Bloedel Reserve is a waterfront view garden on Bainbridge Island across Puget Sound from Seattle. This garden was also obtained as a gift (from Virginia and Prentice Bloedel, a timber baron). Here a visitor will experience 150 acres of a beautiful woodland forest expanse. Northwest natives of all types are featured, including splendid swaths of ferns on land and in trees amongst natural old forest stumps and moss-covered logs. Reserva-tions are required, easy to obtain, and include the house tour.

                                                  Lakewold Gardens near Tacoma, WA. was the former residence of & a gift from Eulalie and Corydon Wagner. In ten acres it offers a wonderful assortment of rare and selected family favorite plants such as Meconopsis (poppies), a major collection of rhododendrons, and state championship trees presented against the scenic foil of Gravelly Lake and Mt. Rainier. Corydon imported many trees (his passion) during the 1930s and 1940s which are now mature, such as the Dawn Redwood (Metasequoia glyptostroboides). Eulalie was a member of an elite national rare plant group whose annual offerings she carefully nurtured in this garden. The fern collection here was begun by the Hardy Fern Foundation when Lakewold was its primary display garden (Their formal assignment subsequently was switched to the Rhododendron Species Botanical Garden, described below.). The foliage and textures of the many donated ferns add interest to Lakewold.

                                                  The Elisabeth C. Miller Botanical Garden in north Seattle is located in a gated community situated on five acres over- looking Puget Sound. This is the lovingly-created garden of Betty Miller, a nationally renowned plantswoman. One of the founders of the Northwest Horticultural Society, Betty was a very knowledgeable collector and a purist species enthusiast; no fancy variations for her! As a strong horticulturalist Betty enthusiastically encouraged others (myself included) in their pursuit of plant knowledge. She had access to and introduced many unusual plants to North American gardeners, including ferns (which she willingly shared). Hers was one of the area’s first gardens to have the now popular Blechnum chilense and one of the few western gardens where Lygodium palmatum thrived. The garden, a testament to her love of beauty and its place in the plant world, is open by appointment only and reservations must be made well in advance.

                                                  Rhododendron Species Botanical Garden between Seattle and Tacoma has the most comprehensive and varied collection of ferns, 225 types from 36 genera, all grown to perfection and mostly planted by genus or habitat preference. Osmundas live in a boggy pond area. An alpine garden provides rocky crevices for Adiantum aleuticum ‘Subpumilum,’ cryptogrammas and others. In 2009 a long-planned stumpery was added, with some 150 “stumps” looking surprisingly natural along the uphill side of a major garden pathway. Some 700+ ferns and many appropriate companion plants have made this a popular area. And course this garden, a gift from theWeyerhaeuser Corporation, has rhododendrons: some 22 acres of world species.

                                                  Take time as well, if you plan to visit the Pacific Northwest, to explore natural habitats for ferns in the rain forest of the Olympic Peninsula, the Cascade Mnts. or along traditional treks in the north- west woodlands. Also, many private garden owners enthusiastically allow visits by appointment to view their fern treasures. Travelers to this area will find a generous assortment of ferning opportunities.

                                                  The Old New England Thanksgiving
                                                  The king of all festivals was the autumn Thanksgiving.
                                                  When the apples were all gathered and the cider was all made,
                                                  and the yellow pumpkins were rolled in from many a hill
                                                  in billows of gold, and the corn was husked,
                                                  and the labors of the season were done,
                                                  then the warm, late days of Indian Summer came in.
                                                  Days were dreamy, calm and still,
                                                  with just enough frost to crisp the ground of a morning,
                                                  but with warm traces of benignant sunny hours at noon.
                                                  Then there came over the community a sort of genial repose of spirit,
                                                  a sense of something accomplished,
                                                  and of a new golden mark made in advance,
                                                  and the deacon began to say to the minister, of a Sunday,
                                                  “I suppose it’s about time for the Thanksgiving proclamation.”
                                                  Harriet Beecher Stowe



                                                  San Diego Fern Society Officers
                                                  Officers
                                                  President Don Callard dcallard@san.rr.com
                                                  1
                                                  st Vice Pres. Robin Halley robin@sdfern.com
                                                  2
                                                  nd Vice Pres. Gary Bourne
                                                  Treasurer Bill Ganger
                                                  wganger@sbcglobal.net
                                                  Secretary Amna Cornett
                                                  amnacarol@yahoo.com

                                                  Directors
                                                  Past President Kathie Russell klrkath@yahoo.com
                                                  Board Member Bruce Barry
                                                  Board Member Sherry Worthen
                                                  Board Mem. Bob Charlton
                                                  kwyjibo@san.rr.com

                                                  Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                  Assistant Editor Robin Halley robin@sdfern.com

                                                  Membership

                                                  Amna Cornett is our membership chair. Please pay your 2010 dues ($8 individual or $10 family) at a San Diego Fern Society meeting or mail a check to:

                                                  Fern
                                                  3905 Ibis Street
                                                  San Diego, CA 92103

                                                  Make checks payable to the San Diego Fern Society.

                                                  Advertising
                                                  Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at .

                                                  Addresses
                                                  E-mail:
                                                  ferncentral@sandiegofernsociety.com
                                                  Internet:
                                                  www.sandiegofernsociety.com

                                                  Volume XXXIV, 11

                                                  OCTOBER FERN SOCIETY MEETING

                                                  The October meeting of the San Diego Fern Society will be held Thursday, October 21, 2010. Our speaker will be Kathie Russell. She will present “A Sonoran Desert Snapshot.” (Yes, this talk
                                                  was scheduled for the month of August, but had to be delayed.
                                                  It will be worth the wait!)

                                                  For the past year Kathie has lived in Payson, AZ, where she took frequent walks and explored many areas in the surrounding South-western desert during her stay. Her presentation will reveal to us many features of a desert habitat, as she uses Botanical photos of one area of the Sonoran Desert and shows xeric ferns and other plants in their natural setting.


                                                  Read a more detailed overview from Kathie on page 3 about the Sonoran Desert habitat. The San Diego Fern Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.

                                                  NEWS AND NOTES

                                                  Refreshments
                                                  October refreshments will be provided by Bruce Barry, Bill Ganger, and Sherry Worthen.. Next month we will be assisted on November 18 by Alva Whetton and Martin Dominguez. (And maybe you?)

                                                  Plant Table
                                                  The October plant table will be offering some ferns from the show sales tables at reduced prices, plus others. Bring your checkbook.

                                                  Name Tags---The Perfect Autumn Accessory
                                                  Now is a colorful time of year to get Gary Bourne to order a pin or clip-on tag for you at the low cost of $6. Name tags are friendly.

                                                  President's Corner
                                                  Can't believe it's already Fall!  When was Summer?  Be sure your tender ferns are protected from the coming cold weather.  Of course, in San Diego cold is relative, and it tends to get colder in the inland areas than on the coast. 

                                                  Some of us have learned the hard way that many tropical plants don't need to
                                                  freeze to die off, even in the mild winters in Southern California. So do some research and find out how cold-tolerant your plants are, especially the newly purchased ferns, and do whatever is needed to protect them.
                                                  Your Board of Directors has come up with some interesting topics for upcoming meetings. One idea would be to have an informative presentation on plant & fern nurserys, both in our area and some mail order or more distant nurseries that have plants of interest to fern growers.

                                                  Another idea put forth was having a "swap meet" night when members could bring things to buy, sell, or trade with each other, from plants and ferns to glazed pots, gardening books, tools, or decorative outdoor garden items. Then of course we look forward each year to our annual Holiday Dinner in December and the Platycerium night in January. We are always open, as well, to your program ideas and suggestions.
                                                  Also in the works: the possibility of an online version of the Fern World each month. Have you notified our editor about your preferences? Write to
                                                  sherryworthen@san.rr.com to say whether you would prefer the print or online version. Thanks.
                                                  Don Callard, President


                                                  The Sonoran Desert--- A Digital Look at One Location
                                                  Kathie Russell

                                                  The Sonoran Desert includes several areas: the low elevation area of Arizona, southeastern California (which also is low elevation desert) and areas of Mexico around the Gulf of California (Baja California and Sonora). It's a large desert, extending even into San Diego County. Winter and spring are prime times to explore the desert due to plant growth and moderate temperatures.

                                                  Most photos for October’s presentation were taken between February and mid-April 2010, which was a rainy year. The photos will show Fountain Hills Botanical Garden (8 acres at 1800 feet elevation, with a half-mile trail of labeled plants) and McDowell Sonoran Preserve (14,000 acres with multiple trails located in Scottsdale, adjoining Fountain Hills, just northeast of Phoenix).

                                                  In Fountain Hills, the average high temperature in July is105 F. The record high was 125 F in 1995, and the lowest was 23 F in 1987. When you view the plants, remember that they survive in these conditions! The month with the most rain is March, and the yearly rainfall average is nearly 12 inches, just a few hundreths more than San Diego’s (airport) yearly average. The Phoenix (airport) yearly rainfall average is 8 inches. Like the San Diego area, it seems that more rain falls against the hills. You may be surprised at the variety of plants and ferns which can survive these extreme conditions.

                                                  Book References Used:
                                                    Plants of Arizona, 1995.

                                                    Internet Information Sources

                                                    The Sonoran Desert--- A Digital Look at One Location
                                                    (conclusion)

                                                    Internet Information Sources: (These sites are worth
                                                    investigation for more information on desert plants.)

                                                      http://azferns.org/cgi-bin/azFernsQuery.pl

                                                        An Autumn Thought
                                                        These are the amber days of autumn loveliness,
                                                        like people who have mellowed with the years,
                                                        and whose days hold the garnered richness
                                                        of wisdom and remembering.
                                                        Esther Baldwin York


                                                        Pteridomania by Judith Jones

                                                        (
                                                        abridged from 10/1987 Fern World,
                                                        originally printed by permission from LAIFS
                                                        )

                                                        Ferns! If your reaction to encountering this flowerless family is a look of condescending scrutiny followed by a vague dismissal, “Oh, it’s just ferns,” you are advised to read no further. From here on will flow the musings of an ardent
                                                        pteridophile, a genuine fern fanatic.

                                                        Passions are not easily explained, for from their green objects of affection pteridophiles find visual and tactile intoxications similar to the auditory pleasures of music lovers who become transported by a Baroque-Roccoco composition of, say, Mozart.

                                                        Just because ferns are devoid of colorful inflorescence is no reason to condemn them to second-class plant status. Actually ferns, the smallest of earth’s botanical groups with only 12,000 true fern species, may have the distinction of being the cause of the Industrial Revolution’s success. For over time the fossilized remains of ferns and fern allies became compressed into coal, oil and gas, today’s energy fuels. However, the by-products of these fuels’ use may be fouling the present earth’s air and flora, a not-so-desirable attribution to ferns.

                                                        It is astonishing to discover the range of texture, hue, and infinite variation of form that “hardy” ferns can take, even though they are only a minute portion of the plant life in temperate regions of the world. Especially unique is the ability of ferns to
                                                        sport, or form tassels at the tips of the fronds and their subdivisions. This eccentricity is more remarkable as no species shows it as a normal character, though it happens sporadically on most fern species
                                                        world-wide, especially when plant and habitat seem to be ideally matched.

                                                        There are a variety of cold-tolerant ferns throughout the world, but no area exceeds the British Isles for its incredible wealth of natural and selected variations of ferns. American fern collectors (and those of other nations) are especially indebted to British pteridophiles of the period known as the
                                                        Victorian Fern Craze, during which many species and sports were discovered and cultivated in English gardens and ferneries, eventually finding their way around the world.

                                                        And ever since those early days of fern proliferation there has been an ongoing gentle battle among pteridophiles concerning nomenclature. Quarrels and bitter words arise over moving ferns from one genera to another, such as some retaining
                                                        Phyllitis, Camptosorus, and Ceterach in the Asplenium genera while others do not, or refusing to accept separate genera for members of the Thelypteroid ferns and those in the Polypody tribe (from private correspondence with Richard Rush, Essex, England).

                                                        But such minor differences do not disturb true pteridophiles, including myself. I continue to pursue my own particular fern horticultural study, aiming to become a professional at selective culture of certain fern species. If you stay tuned, from me you will hear in the future, musings ranging from scintillating fern descriptions of treasures you can’t live without, to the excitement of rediscovering “lost” variations and discoveries of new ones, to seeing those which have been there all along but have remained unrecognized. (
                                                        Editor’s note: see postscript for how to keep tuned in to musings from Judith Jones.)

                                                        Gardeners of every ilk seem to thrive on personal anecdotes of plant exporers and their discoveries in the present and the past. So in closing I pass on to you an episode by Charles Drury describing the fun of fern foraging. His experience can only further ensnare your continued interest in the fabulous ferns dear to my heart . . .

                                                        Although fern hunting expeditions hardly belong to the
                                                        very risky or adventurous category, since the “quarry”
                                                        however “wild” is never agressive, it occasionally con-
                                                        trives its best to battle acquisition. Doubtless every
                                                        “hunter” could relate anecdotes connected with diffi-
                                                        culties of this kind. Several years ago, while out hunting
                                                        ferns in the Barnstaple district, I came to a low parapeted
                                                        stone bridge spanning a mill leat (flume) with a very rapid stream. About 7 or 8 feet down, near the crown of the
                                                        arch, was a pretty spiral Hartstongue (
                                                        Asplenium scolo- pendrium) growing in a chink in the masonry. I could just reach it with my stick, but if I dislodged it, it would inevitably fall into the water and be swept away. Happily, the day being overcast, I had my umbrella with me.
                                                        Opening this I suspended it by a string below the arch and subsequently managed to tickle the fern out of its
                                                        retreat with the extreme point of my trowel, until it fell
                                                        into the “brolly” and was promptly bagged fairly intact. (
                                                        exerpted from “Fern Hunting Episodes,” The British
                                                        Fern Gazette, 1909.)

                                                        (
                                                        Judith Jones is still pursuing pteridophilic knowledge at her nursery in Gold Bar, Washington, USA, and may be contacted with inquiries about ferns or purchases at www.fancyfronds.com . Ed.)

                                                        San Diego Fern Society Officers

                                                        Officers
                                                        President Don Callard dcallard@san.rr.com
                                                        1
                                                        st Vice Pres. Robin Halley robin@sdfern.com
                                                        2
                                                        nd Vice Pres. Gary Bourne
                                                        Treasurer Bill Ganger
                                                        wganger@sbcglobal.net
                                                        Secretary Amna Cornett
                                                        amnacarol@yahoo.com

                                                        Directors
                                                        Past President Kathie Russell klrkath@yahoo.com
                                                        Board Member Bruce Barry
                                                        Board Member Sherry Worthen
                                                        Board Mem. Bob Charlton
                                                        kwyjibo@san.rr.com

                                                        Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                        Assistant Editor Robin Halley robin@sdfern.com

                                                        Membership

                                                        Amna Cornett is our membership chair. Please pay your 2010 dues ($8 individual or $10 family) at a San Diego Fern Society meeting or mail a check to:
                                                        Fern
                                                        3905 Ibis Street
                                                        San Diego, CA 92103
                                                        Make checks payable to the San Diego Fern Society.

                                                        Advertising
                                                        Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at .

                                                        Addresses
                                                        E-mail:
                                                        ferncentral@sandiegofernsociety.com
                                                        Internet:
                                                        www.sandiegofernsociety.com

                                                        Volume XXXIV, Number 10
                                                        SEPTEMBER FERN SOCIETY MEETING

                                                        The September meeting of the San Diego Fern Society will be held Thursday, 16, 2010. Our speaker will be Michael Ludwig. He will be presenting an illustrated talk on using ferns with companion plants.   He will show suggested ways to use begonias and other shade-loving plants with ferns in attractive ways.

                                                        This will include how you could make a "garden vignette"  in a favorite location such  as a home entry or a patio corner.
                                                        Come and learn ways to use your the ferns recently purchased from the show sales tables. The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.

                                                        NEWS AND NOTES

                                                        Refreshments
                                                        September refreshments will be provided by Gary Bourne, Millie Sundstrom, and Martin Dominguez. Next month we will be assisted on October 21 by Bruce Barry, Bill Ganger, and Sherry Worthen.

                                                        Plant Table
                                                        The September plant table will be offering several dramatic varieties of ferns from the sales tables at our show, at the wholesale prices. These are large, healthy plants, ready for fall planting. You have another chance to get that fern you were eyeing. This is an ideal opportunity to fill out your garden plantings all in one stop.

                                                        Name Tags---The Perfect Autumn Accessory
                                                        Wearing your name tag is fashionable in the fall, and friendly! Now is a perfect time of the year to get Gary Bourne to order a pin or clip-on tag for you at the low cost of $6. Just do it, fern lover!

                                                        President's Corner Congratulations to all that helped make the Fern Show such a success.  It was one of the finest that I can remember, and I've been to quite a few.  I want to thank our Show Chair, Kathy Russell for all she did, particularly instructing the judges and coordinating the results of the judging.  Lori Peterson was a great help in setting up the entries, etc.  Welcome back, Lori.  Of course we couldn't have had a show without major help from the usual volunteers. Besides going to A&G to pick up sale plants, Gary Borne spent all three days at the show (and won a bunch of ribbons by the way), while the Sundstrums and Elizabeth Glover handled the sale and control of plants.  Many thanks to Kurt & Lois Rossten and others involved in various jobs such as setting up the display tables, racks, etc., including David Brown and Kathy Russell's husband for moving the Platy boards and pipe hangers (A big job that needs lots of helpers).  Not to be overlooked is the continued fine technical work of Bill Ganger who handled the computer and tabulated the entries and plant scores from the judges. Many others helped with clerking and being available to answer questions from the public during the show. Alva Whetton and her kids Julian & Ariel, and Sherry Worthen did a great job on lunch.  Putting on the annual Fern Show and setting up exhibits at the Fair are excellent events for raising public awareness. We look forward to your getting involved next year with one of these projects. It is a small time investment, and has great results! There will be a "Fern Clearance Sale" at the Sept. meeting. Great plants, super low prices.
                                                        Don Callard


                                                        2010 SAN DIEGO FERN SHOW DIVISION WINNERS LIST


                                                        DIVISION 1 Yolanda Lujan
                                                        Davallia tyermanii
                                                        DIVISION 2 Don Callard
                                                        Microsorum species
                                                        DIVISION 3 Gary Bourne
                                                        Equisetum scirpoides
                                                        DIVISION 4 Gary Bourne
                                                        Doodia media
                                                        DIVISION 5 Gary Bourne
                                                        Trichomanes javanicum
                                                        DIVISION 6 None
                                                        DIVISION 7 Rossten
                                                        Microsorum viellardii
                                                        DIVISION 8 Amna Cornett 
                                                        Polypodium pyrrholepis
                                                        DIVISION 9 Angelina Lujan Pteris nipponica
                                                        DIVISION 10 Don Callard
                                                        Asplenium australasicum ‘Fimbriatum’
                                                        DIVISION 11 Kathie Russell
                                                        Nephrolepis exaltata ‘Compacta’
                                                        DIVISION 12 Lois Rossten Blechnum brasiliense
                                                        DIVISION 13 Gary Bourne Coniogramme omeinsis
                                                        DIVISION 14 Cathy Faigle
                                                        Lygodium japonicum
                                                        DIVISION 15 Don Callard
                                                        Drynaria rigidula ‘Whitei’
                                                        DIVISION 16 Bob Charlton
                                                        Asplenium australasicum
                                                        DIVISION 17 Richard Lujan
                                                        Nephrolepis biserrata
                                                        DIVISION 18 Gary Bourne
                                                        Didymochlaena truncatula
                                                        DIVISION 19 Don Callard Platycerium veitchii
                                                        DIVISION 20 Richard Lujan
                                                        Platycerium hillii 'Delight'
                                                        DIVISION 21 Callard
                                                        Platycerium grande (Philippines)
                                                        DIVISION 22 Amna Cornett  Terrarium Multiple Species
                                                        DIVISION 23 Don Callard
                                                        Lycopodium squarrosum
                                                        DIVISION 24 Tanya Bourne Multiple Display, varieties
                                                        in one species---
                                                        Lycopodium
                                                        DIVISION 25 Walt Meier Marsilea drummondii
                                                        DIVISION 60 Bob Charlton
                                                        Davallia pyxidata



                                                        2010 SAN DIEGO FERN SHOW
                                                        SPECIAL AWARDS

                                                        Ray Sodomka Memorial Award for Best Fern (other than a
                                                        platycerium) --- Amna Cornett
                                                        Polypodium pyrrholepis

                                                        Shirley Callard Memorial Award for Best Playtcerium
                                                        --- Don Callard
                                                        Platycerium grande (Philippines)
                                                        Elizabeth M. Pelz Memorial Award for Most Unusual fern
                                                        --- Bart Keeran
                                                        Elaphoglossum crinitum

                                                        People’s Choice Award--- Don Callard
                                                        Lycopodium squarrosum

                                                        First Time Exhibitor Award---Fred Barth
                                                        Platycerium ‘Netherlands’

                                                        Some 2010 Show Statistics:

                                                        20 Exhibitors brought ferns. We had three first-time exhibitors this year: Pete Heldreth, Evan Padgett, and Fred Barth. A total of 164 plants were entered, with 8 new types of fern never before brought to a San Diego show. This was our first time having both show and sale in the same room, and it worked out well.

                                                        None of this would have been possible without our many volunteers, some of whom worked long hours away from home. Special appreciation goes to our out-of-town judges and entrants. Many thanks to all who participated in any way.

                                                        FUTURE PROGRAMS Yes, we will reschedule Kathie Russell’s talk on Sonoran Desert ferns and plants. cancelled due to technical glitches at the Aug. meeting. Thanks to Lois Rossten and Don Callard who filled in with a replacement demonstration on how to identify an unnamed ferns, timely as we prepared for the show.

                                                        KEEP THOSE PLANT LABELS As we saw at the August meeting, identifying a fern is not always easy. Be sure to put labels back into the ferns you brought to the show. And keep any old, tattered fertile fronds on unidentified ferns. Without those spore patches many of the immature ferns look hopelessly alike.

                                                        (This quotation is describing a student’s prep-school field studies with
                                                        a British biology teacher. To see ferns, go for a walk in the woods. Ed.)

                                                        “South lay Woodfidley, full of old oaks, holly, and beeches on its sunny sides, and like the wildwood of Wind in the Willows, to be respected in the dark. On the other side of the railway, through Botrychium Bridge (named after the moonwort that grew on the bank near by) was the mysterious Great Bog. The bridge, named for the ferns that grew on it, would have been Moonwort Bridge had it not been for our mentor’s general preference for Linnaean accuracy. Ceterach Bridge, further north in Matley Wood, was named after another fern, the rustyback, discovered and recorded in the Tomes in August, 1958, by George Peterken, a schoolboy naturalist. His paper, entitled ‘Distribution of Ferns on the Railway Bridges,’ records 735 ferns of 7 different species he found growing on or around the eleven bridges at Beaulieu Road that summer.”
                                                        Roger Deakin,
                                                        Wildwood: A Journey Through Trees

                                                        There sit those ferns you brought home from the sales tables at the San Diego Fern Society annual show. Where should you put them in your garden, or should they go on a platter of moist pebbles near a bright window inside?
                                                        The small plugs of
                                                        Adiantum raddianum (maidenhair fern), Microlepia strigosa (lace fern) and Microsorum diversifolium (kangaroo’s paw) will definitely need to be kept super moist and potted immediately, two or three plugs to a pot. Do not put this off, since the plugs are temporary!
                                                        Other ferns have varying needs. Here are some tips from fern growers about the needs of some ‘sale’ ferns for home gardens.

                                                        Cheilanthes tomentosa , wooly lip fern (Southwestern US and Mexico) These low growing (8-14”) ferns grow on rocks in nature. In the garden use a well-drained mix with sand, and water enough to be moist-dry (the soil feels damp but does not stick to the hands). Deciduous in winter.
                                                        Humata tyermanii (Native to tropics) The characteristic fuzzy rhizome causes the common name “white rabbit’s foot.” Makes a good hanging basket plant, or may be kept indoors.. Put in bright light, with regular water & good drainage. Fronds may reach 8-12” but this fern stays compact and tidy.
                                                        Adiantum capillus-veneris (Southern US & temperate zones) A fern with delicate fronds of medium height (1-2 ft.). Often grows on limestone rocks in fairly sunny areas, so does well next to cement walkways. Plants may die back in cold winter and regrow in spring.
                                                        Adiantum caudatum (S. & E. Asia) needs continual high humidity or greenhouse care. This plant is usually grown in a hanging container. Since the rachises are wiry and brittle, it may be helpful to pad the pot edges with moss. Never allow this plant to completely dry out. Good near a pond or waterfall, or clustered indoors with other potted plants, often on a tray of pebbles in shallow water.

                                                        Polystichum tsus-simense Japanese lace fern (forests of Korea, China, Thailand) A hardy fern with graceful fronds that may reach 12-18”. Likes shade and moist soil. A low maintenance fern that may be grown indoors.

                                                        Pteris faurei, P. ensiformis' Evergemiensis,' and P. dentata ‘Stramina’ (Tropical regions) Pteris ferns are generally easy to grow. They like filtered sun and prefer rich mulchy soil that is not too moist. P. dentata can be up to 5 ft. tall. The other two stay around 12” in height.

                                                        Rumohra adiantiformis 'Iberia' (Tropics) A leather-leaf fern with durable fronds often used with cut flowers. Easy to grow; a staple for every garden. Sun or part shade, moist to dry soil. Of medium height (1-3 ft.).


                                                        AND LOOKING BACK TO THE AUGUST FERN WORLD
                                                        Did anyone try to find the Sandwich Islands (mentioned by last month’s quotation) on a map? Not easy, since those islands have been renamed the Hawaiian Islands! You are an alert reader if you caught that glitch. Ed.


                                                        San Diego Fern Society Officers

                                                        Officers
                                                        President Don Callard dcallard@san.rr.com
                                                        1
                                                        st Vice Pres. Robin Halley robin@sdfern.com
                                                        2
                                                        nd Vice Pres. Gary Bourne (regular mail)
                                                        Treasurer Bill Ganger
                                                        wganger@sbcglobal.net
                                                        Secretary Amna Cornett
                                                        amnacarol@yahoo.com

                                                        Directors
                                                        Past President Kathie Russell klrkath@yahoo.com
                                                        Board Member Bruce Barry (regular mail)
                                                        Board Member Sherry Worthen
                                                        Board Mem. Bob Charlton
                                                        kwyjibo@san.rr.com

                                                        Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                        Assistant Editor Robin Halley robin@sdfern.com

                                                        Membership

                                                        Amna Cornett is our membership chair. Please pay your 2010 dues ($8 individual or $10 family) at a San Diego Fern Society meeting.

                                                        Make checks payable to the San Diego Fern Society.

                                                        Advertising
                                                        Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at 619-281-1017.

                                                        Volume XXXIV, Number 9

                                                        AUGUST FERN SOCIETY MEETING

                                                        The August meeting of the San Diego Fern Society will be held Thursday, August 19, 2010. Kathie Russell will present “A Sonoran Desert Snapshot.” For the past year she has lived in Payson, AZ, and has walked and explored many areas in the surrounding South-western desert during her stay. Her presentation will reveal to us many features of a desert habitat, as she uses Botanical photos of one area of the Sonoran Desert and shows some xeric ferns in their natural setting.
                                                        Bring a friend!

                                                        We will also be looking to sign folks up for the various jobs associated with the show weekend, August 20-22, 2010. Read more about this month’s show on the following pages. The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.

                                                        FUTURE PROGRAMS
                                                        We are looking forward to hearing from Michael Ludwig in the month of September. He and Robin Halley are working on a topic.

                                                        NEWS AND NOTES

                                                        Refreshments
                                                        At the August meeting the refreshments will be provided by Nancy Hoyt, Linda Espino and Bob Charlton. September refreshers are to be Gary Bourne, Martin Dominguez, and Millie Sundstrom.

                                                        Name Tags
                                                        To order a name tag, please talk with Gary Bourne at the next meeting. You can choose a clip-on or pin; either one will cost you a small price---$6.00. To help everyone learn and remember names, please wear your name tag at the meeting.

                                                        President's Corner The Fern Society Open House last month was well-attended, and we sold a number of plants that were left over from the Fair.  [editor’s note: The weather was perfect, with a view of the ocean to the west. People lingered and admired Don’s garden and especially the greenhouse where the pond and koy, the gently-flowing fountain, the inviting bench, and incredible ferns were delightful. Those attending gave many compliments Thank you, Don, for hosting.] My personal thanks to Alva and her crew for arriving early and doing most of the set up for the refresh-ments, including the great sandwiches and snacks that she brought, and to Kathy for bringing the plants to sell, plus recruiting members to help with the Fern Show this month. The focus this month is the Fern Show & Sale,Aug. 21 and 22.  This year the fern sales, usually ouside, will be inside Room 101. This will eliminate much set-up and take-down work on both Saturday and Sunday. The layout of the show area will be only slightly different, and still allow us to display all of the different Species.  My request this month is for two things.  First, please bring as many of your plants to the show as possible, as we anticipate fewer entries than in the past from some of our members.  This gives you an opportunity to have your plants win an award, and we can continue to present a first-class show to the public.  Second, and just as importantly, we need your help in setting up the displays (Friday), overseeing the sales and show on Saturday and Sunday, and cleaning up Sunday after the show closes. We are counting on you. Don Callard

                                                        SAN DIEGO FERN SOCIETY 2010 SHOW AND SALE

                                                        This year’s Show and Sale will be held on Saturday and Sunday, August 21 and 22, 2010. The show is free and is open Saturday 12-5 and Sunday 10-4 at the Casa del Prado building in Balboa Park.  This year there will be a significant and helpful change: both the show and sale will be held in Room 101.

                                                        Show Workers
                                                        The Show Chair is Kathie Russell, assisted by Lori Peterson. Robin Halley will handle the intricacies of prepping the judges and clerks, while Sherry Worthen and Alva Whetton will feed the masses. They have a surprise in store for this years’ judges, clerks, and volunteers when lunch-time comes. Elizabeth Glover will look after newly purchased ferns while owners tour the show. Gary Bourne will act as sales chair, assisted by Mickey and Frank Sundstrom. David Brown, Bart Keeran, and Bruce Barry will transform the room as they set up the heavy-duty equipment.

                                                        We urgently request your help, as our President mentioned in his column. Those setting up Friday morning need strong, robust men (or those who say “I think I can!”) to help with boards and metal poles. We need several people to
                                                        sit and be “eyes and ears” in the sales area and near the doors since our sale is moving inside this year. Clerking is an easy and fun job, walking around with a judge and delivering the score-sheets for computer entry. You get to be first to see everything in the show room. Another helpful job is to be a show-room host beginning around 12:00 noon when the doors open (or any 2-hour shift convenient for you), and again on Sunday afternoon. These people are PR folks for our Fern Society, answering questions or leading guests to someone who can give more information about the ferns in the show. If you like to talk and interact with people, this is the job for you.

                                                        Final News from the San Diego County Fair
                                                        Good news! The two fern exhibits provided by San Diego Fern Society in the Botanical Garden section of the Fair grounds have won some display money for the society: $1,200.00! This makes the time and effort worth it and helps our Fern Society. Thanks to all the members who gave their time and provided ferns and props during June and July.

                                                        Fern Entries for the San Diego Fern Show
                                                        This year’s competition will be more open than usual. Robin Halley is entering his ferns, which are always spectacular, as “Display Only.” Without his ferns in the competition we really need all our members and friends to come on down and bring the best and most favorite ferns to fill the void and perhaps win some nice ribbons! The board also has some special prizes to accompany awards this year, so choose your favorite ferns and bring them on in.

                                                        Bring fern entries to Room 101 Casa del Prado on Friday August 20, between 2 and 8 PM., or when you come to the Thursday night Fern Society meeting. Please have your name on the ferns you bring and set down in some area, along with a correctly filled-out entry form, in case you must leave before your ferns get checked in. The computer does not know what ferns you have brought unless you have labeled them! Entry forms will be available on Thursday evening and all day Friday. Please bring your ferns as early in the day as possible, leaving the after-dinner hours for people who work.

                                                        Show Guidelines
                                                        Remember: anyone, member or not, can enter a plant in the show. You must have owned the plant for three months (since May 15). No plant with live pests (aphids, scale, thrips, etc.) will be allowed to stay in the show room, and no leaf polish is allowed. Also, if you entered a fern that won a division during the past three years, we would love to see your fern again, but it can only be entered in the “Winners’ Circle,” Division 30 for three years. There it can compete with other Division winners, as well as being greatly admired by the public.

                                                        San Diego Fern Show Schedule
                                                        (Call a board member for plant transportation needs.
                                                        Phone numbers or email addresses are in Fern World, page 8.)

                                                        Thursday, August 19 --- Fern Society Meeting
                                                        6:30 p.m. Begin plant check- in
                                                        7:30 p.m. Regular society meeting

                                                        Friday, August 20 --- Plant Registration & Show Set-Up
                                                        All morning Room Set-up
                                                        2:00 to 6:00 p.m. Plant Check-in, most members

                                                        (Please let a board member know if you need to check in plants late
                                                        due to work schedule or travel distance: 6:00 to 8:00 p.m.)

                                                        6:00 to 9:00 p.m. Finish registration, tags, room & plant arrangement.
                                                        10:00 p.m. Show room closes---park rules.

                                                        Saturday, August 21 --- Judging, Sale & Show
                                                        8:00 a.m. Clerks & judges arrive, coffee provided.
                                                        (Clerks & judges may pre-buy plants from the sales stock.)
                                                        8:30 - 11 a.m. Judging
                                                        11:30 a.m. Ribbons on plants; final show details.
                                                        11:30 -1:00 p.m. Lunch for judges and volunteers.
                                                        12:00 noon Show and Sales area open.

                                                        Sunday, August 22 --- Show and Sale
                                                        10:00 a.m. – 4:00 p.m. Show and Sales area open.
                                                        4:00 p.m. Show closes. Break down show and sales areas; take home plants.

                                                        What is the Biggest Killer of Ferns?
                                                        (exerpts from articles previously appearing in
                                                        the May & June, 1984,
                                                        Fern Worlds)

                                                        Most ferns die back (not off) because of overwatering. After that they often don’t seem to come back very well, and just slowly die off. People often ask, “Why doesn’t it come back the way it was before?” or “What can I do to get the fern to grow back vigorously?” There could be several causes.

                                                        Overwatering can be detected above the soil by slow or no growth, fronds or stipes turning brown at the base, fronds turning yellow and/or wilted leaves that can’t be revived by watering, and by the tips of fronds dying back. Below the soil, a sure sign of too much water is a smell “like a sewer.” Lift the plant out of the pot. Healthy roots shoud be a green or cream color. If the roots look black or mushy, they’ve been drowned.

                                                        Damage to roots or to the fern’s vascular system can allow fungus or disease to attack the weakened plant. Perhaps the potting mix has compacted the pore spaces so that there is no way to get oxygen to the root area of the plant. Or it may be that the plant is experiencing serious shock.

                                                        San Diego Fern Society Officers

                                                        Officers
                                                        President Don Callard dcallard@san.rr.com
                                                        1
                                                        st Vice Pres. Robin Halley robin@sdfern.com
                                                        2
                                                        nd Vice Pres. Gary Bourne (regular mail)
                                                        Treasurer Bill Ganger
                                                        wganger@sbcglobal.net
                                                        Secretary Amna Cornett
                                                        amnacarol@yahoo.com

                                                        Directors
                                                        Past President Kathie Russell klrkath@yahoo.com
                                                        Board Member Bruce Barry (regular mail)
                                                        Board Member Sherry Worthen
                                                        Board Mem. Bob Charlton
                                                        kwyjibo@san.rr.com

                                                        Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                        Assistant Editor Robin Halley robin@sdfern.com

                                                        Membership

                                                        Amna Cornett is our membership chair. Please pay your 2010 dues ($8 individual or $10 family) at a San Diego Fern Society meeting.

                                                        Make checks payable to the San Diego Fern Society.

                                                        Advertising
                                                        Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at 619-281-1017.

                                                        Volume XXXIV, Number 8

                                                        JULY FERN SOCIETY MEETING

                                                        There will be no July 2010 regular meeting!
                                                        The Society usually meets at 7:30 PM. on the third Thursday in Room 101 of Casa del Prado in Balboa Park. However, this month we are going to have a garden tour instead of our July meeting! (See President’s Corner for an explanation of this summer change.)

                                                        FERN OPEN HOUSE

                                                        SATURDAY, JULY 17, 2010 1-4 P.M.

                                                        Don Callard’s Garden and Greenhouse
                                                        2201 El Amigo, Del Mar, CA 92014
                                                        (use the Del Mar Heights Rd. exit)

                                                        There will be no July meeting in Balboa Park
                                                        Come enjoy Refreshments
                                                        & shop at a Fern Table


                                                        Fern Society Memberships---Time to Renew
                                                        Sixteen of you still need renew for 2010. Please remit $8. or $10. (family) to Amna or Bill. Thank you.

                                                        On a lava flow in an area in the state of Nayarit, north of Guadalajara, Gary found Polypodiums, Escheverias, and Pitcairnias all growing side by side. He also found Hechtias, Oxalis, and three different species of fern. The creeping rhizomes of the Polypodium aureum are visible there in shady moist places.

                                                        How does Gary keep the plants viable during the week or so that he is driving around from place to place? The method he has found most successful for transporting collected plants is to keep them in damp burlap bags. Using plastic bags tend to cause plants to overheat and begin to rot.

                                                        Gary is always careful to have his plants clean and with the proper documentation before bringing them to the border crossings into the U.S. Before shipping his plants he prepares them for inspection by seeing that the plants have no insects, larvae, etc., and that the roots are free of soil. Gary has often imported his plants through the San Ysidro border station where they are inspected carefully. He offers plants collected in Mexico at Southern California sales venues like the LAIFS June Fern Show and also at his nursery in Montebello.
                                                        _________________________________________________

                                                        You can talk with Gary and see his plants at Desert to Jungle Nursery, 3211 W. Beverly Boulevard, Montebello, CA 90640.


                                                        A Natural Insecticide

                                                        Add onions and garlic to a jar of water.
                                                        Let it stand for a week,
                                                        then spray your garden plants with it.


                                                        COLLECTING FERNS IN MEXICO
                                                        La Verne Hanell

                                                        (“Fern Collecting in Mexico” originally appearing in
                                                        June 1988
                                                        LAIFS Fern Journal, and Jan ’89 Fern World.)

                                                        Gary Hammer has frequently been to Mexico collecting ferns and other plants for import back into the United States. It is still possible to bring plants into the United States from Mexico, even for the casual collector, provided the appropriate documents have been prepared. Ferns are clean plants and have very few disease problems in the wild, so importing them is easier than some other plants. Endangered species of orchids and cycads are prohibited, as are tree ferns. Some other plants may require a letter of release from the Mexican government.

                                                        However, collecting in Mexico is not for the timid, says Gary, because there one often encounters steep rugged cliffs and deep valleys. It may be hazardous to reach in among spiny
                                                        Hechtias to gather a choice fern or a new species of orchid. Then there are the scorpions and tarantulas; they can make the adventure painful as well. But the experience of seeing the untouched habitat filled with a vast array of bromeliads, orchids, and ferns is well worth the risk for the dedicated collector.

                                                        Gary has been to several different locales in Mexico with very different environments, elevations, and plant life. Near the border of Guatemala in the state of Chiapas is a canyon some 3,000 feet deep called Sumi Vero. Its white limestone cliffs are very rich in plant life. A striking contrast in climates exists. Near the top it is cool and dry, but at the bottom of the valley it is hot and humid. These cliffs are home to hundreds of

                                                        Tillandsia ionantha only found here. There are other endemic species in this area, including a Tradescantia which is a relative of the common vining houseplant.

                                                        In a dark, dense jungle in Oaxaca, Gary came upon a stand of Cycads called
                                                        Dioon spinulosum. Cycads are slow-growing plants of ancient ancestry. These had apparently attained a very great age, with enormous trunks about thirty feet high which philodendrons and foliage plants were using for support. Fortunately they were growing in an area as yet unused for agriculture, and the steepness and rocky substrate make disturbance unlikely in the near future.

                                                        Along the west coast of Mexico there are areas of lava flow where there are ferns and lichens growing. It was a surprise to see the insectivorous
                                                        Pinguicola occuring here, though it is quite common in southern Mexico. Also found in this region was a shrub widely used in the landscaping trade, Cuphea, or cigar flower, sporting red bracts edged in white with a dark ring at the mouth.

                                                        Seeing moisture-loving and dry-growing plants on the same rocky outcropping is not an uncommon experience in Mexico. In an oak forest Gary found rock outcroppings on which many epiphytes were growing, like
                                                        Laelia rubescens, numerous Tillandsias, Polypodium ferns, and Agave cacti. The summer rainfall pattern here is ¼ inch every day to every other day, and in winter only about once a month. The Polypodiums lose all foliage during the fall and go dormant in the winter, sending up new fronds from the rhizomes after winter rains. Agaves stay green but only grow during the rainy season.

                                                        A short distance outside of Mexico City the landscape changes from metropolitan suburbia to natural countryside. Ferns appear in all

                                                        the rocky outcroppings, along with Escheveria gibbiflorum succulents. Driving the four-lane highway between Mexico City and Cuernavaca one sees many colorful Salvias growing, including a bright orange-flowered one which Gary collected.

                                                        Near Puebla, about 1 ½ hours’ drive from Mexico City, a lovely bromeliad, Tillandsia superinsignis, was seen with its pink bracts and yellow-green flowers. There are not many sites for this bromeliad, but the population is likely to be in the thousands where one occurs.

                                                        Quite different weather conditions occur at elevations of seven to eight thousand feet in the mountains of Michoacan. This is the cloud forest and again Polypodiums and orchids such as
                                                        Odontoglossum occur together. When the forest is open and airy, lots of little orchids cling to the undersides of oak branches. And where there are orchids one will find ferns, too. This area reminded Gary of the Lake Tahoe region.

                                                        Near Vera Cruz Gary found a veritable wealth of plant life. In Mexico it is rare to find undisturbed places because so much of the land has been converted to farming. Here he collected succulent
                                                        Rhipsalis while his native assistant used a long pole to pry epiphytic ferns from the branches of tall trees. Also from this general area were Anthuriums, Syngoniums, and other plants that are familiar in Southern California as houseplants.

                                                        Tillandsia ionantha and T. xerographica are two of the many species of Tillandsia that occurred in the same area as Masdevallia floribunda. The only Masdevallia native to Mexico, it grows on the trunks of large oak trees and can be Gary found filmy ferns growing on the ground.

                                                        July is the Month to Prepare Your Ferns for the Show

                                                        1. Choose your best candidates to enter in the Fern Show. Keep turning them for well-rounded growth. Hot weather is here. Pay attention to watering and fertilizing.

                                                        2. Check and eliminate slugs, snails, thrips and red spider mites.

                                                        3. Groom your ferns. Remove all damaged and dead fronds. Gently wash off dirt, bird or insect droppings, leaves.

                                                        4. Use the most attractive container. White or other glaring colors are not as pleasing to judges. Transplant now.

                                                        5. Tidy up hanging baskets: repair linings, replace lost moss, remove dead leaves.

                                                        Take time now to inspect and prepare your ferns. When the August Fern Show rolls around you will feel prize-winning confidence!

                                                        Looking Around for Helpers at the August Fern Show

                                                        Plan now to help out during our annual Fern Society Show. Each year this event is a highlight for us and for the public who come to Balboa Park. We need all hands on deck! What can you do?

                                                        1. Enter some ferns, large or small, favorites or unusual specimens.
                                                        2. Come help with set-up and arranging on Friday night, Aug. 19.
                                                        3. Assist a judge as a clerk on Saturday morning, August 20. (easy)
                                                        4. Be available for a 4-hour shift---walk around the room Sat., 8/20.
                                                        5. Help with breakdown and cleanup on Sunday afternoon, 8/21.
                                                        grown outdoors in southern California. In the same vicinity

                                                        San Diego Fern Society Officers

                                                        Officers
                                                        President Don Callard dcallard@san.rr.com
                                                        1
                                                        st Vice Pres. Robin Halley robin@sdfern.com
                                                        2
                                                        nd Vice Pres. Gary Bourne (regular mail)
                                                        Treasurer Bill Ganger
                                                        wganger@sbcglobal.net
                                                        Secretary Amna Cornett
                                                        amnacarol@yahoo.com

                                                        Directors
                                                        Past President Kathie Russell klrkath@yahoo.com
                                                        Board Member Bruce Barry (regular mail)
                                                        Board Member Sherry Worthen
                                                        Board Mem. Bob Charlton
                                                        kwyjibo@san.rr.com

                                                        Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                        Assistant Editor Robin Halley robin@sdfern.com

                                                        Membership

                                                        Amna Cornett is our membership chair. Please pay your 2010 dues ($8 individual or $10 family) at a San Diego Fern Society meeting.

                                                        Make checks payable to the San Diego Fern Society.

                                                        Advertising
                                                        Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at 619-281-1017.


                                                        Volume XXXIV, Number 7

                                                        Not Available
                                                        MAY FERN SOCIETY MEETING

                                                        The MAY 2010 meeting of the San Diego Fern Society will be held on Thursday, May 20, 2010. Our speaker will be Don Callard, our president, who will present a travelogue from one of his many tours to foreign countries. He has seen rare and wonderful ferns in the wild, and has managed to bring back unusual and some as-yet-unnamed ferns. The exact location will remain a mystery until the meeting, but you will enjoy what you see. The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.

                                                        Fern Society Memberships---Time to Renew
                                                        There are only a few members remaining who need to renew for 2010, at $8. or $10. (family) Please mail to Amna or bring to a meeting. Fern Society news and happenings are worth the price!

                                                        NEWS AND NOTES

                                                        Refreshments

                                                        May refreshments are being provided by Gary Bourne, Richard and Angelina Lujan, and Paula Couturier. In June our refreshers will be Miles Goodman and Sherry Worthen, with one more needed, please.

                                                        Name Tags
                                                        To order a $6. name tag (pin or clip) please see Gary Bourne at the meeting. You will feel all green, plus benefiting your society.

                                                        Program Ideas---Got One?
                                                        Have you taken a trip recently, and found ferns? Want to share them in a presentation? Please let our program chairman Robin Halley or our president Don Callard know. Thank you!

                                                        President’s Corner
                                                        Well, total of 19 questionnaires were submitted by Fern Society members, and the results have been tabulated. Here is the summary of questionnaire results: Membership:  Most have been members 2+ years.
                                                        Eleven have been members 5+ years.
                                                        Number of ferns grown:  an average of 10+ of various species. Favorite Species (in order):  Platycerium, Polypodium,
                                                        Asplenium, Adiantum.
                                                        Desired Species to Add: Platycerium, Pyrrosia, Davallia, Elaphoglossum. Knowledge of ferns/culture: Low—7, Medium—8, High—3. Program Suggestions: members’ travelogues;
                                                        fern/plant culture for local growing;
                                                        ferns in natural habitats;
                                                        fern identification;
                                                        repotting and remounting ferns. Suggested Fern World Articles:  local dealers of ferns;
                                                        fern culture (potting mixes, fertilizers, pesticides, water); articles on other tropical/exotic plants;
                                                        seasonal care of ferns;
                                                        how to prep for the annual Fern Show.
                                                        Like Most about the Society: People/members; information;
                                                        plant sales.
                                                        Dislikes: Parking, mostly programs on ferns only;
                                                        non-participating members.
                                                        Additional Comments:
                                                        Improve on-line resources(Website & Fern World);
                                                        increase Society membership;
                                                        expand society to include other tropical/exotic species. During the year I will be sharing Board responces based on the questionnaires. Thanks for participation & valuable suggestions.
                                                        Don Callard, President
                                                        Diego County Fair
                                                        The San Diego Society’s two exhibits at the Del Mar are going to be lovely. We like to use the displays as a way to inform the public about ferns and show them some fern varieties from our gardens. You can help. The plants we exhibit in containers are all from our members. Please consider loaning some ferns for the three weeks of the fair. They are well-taken care of, and when show time
                                                        rolls around in August you’ll have plants that are already groomed! Someone can pick up your ferns and drive them out to the fair-grounds for you. Just call a board member to volunteer to have some of your ferns on display at the fair this year.
                                                        This year’s fair will run Friday, June 11 thru Sunday, July 4. Thanks to those who have already volunteered to work. There are two work days to set up the exhibits. Mark these dates for set-up: Saturday—May 29, and Saturday—June 5. We will have break-down and transporting home of plants on Monday, July 5.
                                                        Remember that there is a reward of free tickets to the fair when you put in time to help out. There’s still room for more workers. Call a board member or let us know at the meeting if you’d like to join in the set-up for the Fern Society’s plant exhibit and garden scene. We will give you the easy directions. It’s fun and fulfilling—come help!
                                                        Drawing for one of Don’s Playtceriums
                                                        Don has a special fern for one of you who participated in the Fern Society questionnaire this spring. The survey summary revealed that most members want to add more platyceriums to their collection of ferns. Come and find out whether you are the winner. (We may need to hold another survey, because losers will be jealous!)

                                                        Heads-up: Preparation for the August Fern Show

                                                        May is a good time to go outside and take a tour of your garden with the upcoming August show in mind. I have a lovely Adiantum, but it is lopsided—all the growth seems to be only on one side. If I turn it now, soon it will even itself out and I will have a good candidate for a blue ribbon in August.

                                                        Another fern had gotten covered over with (and the pot invaded by) English ivy. It is one I really enjoy—an Aglaomorpha—and I would like to enter it in the show, too, but right now it looks pretty sad. I need to transplant this fern into a slightly larger clean pot (or even a moss-lined basket), add some good fern potting mix and feed it with diluted fertilizer, then by August this fern will also be show-worthy.

                                                        You probably have some similar ferns in your collection.
                                                        Don’t put it off! Take that walk around, looking at your ferns with an observant eye, the eyes of a show judge. We all have several ferns (the survey said we own an average of 10+) that we like. Let’s each decide that we will enter something this year to give the public a good idea of what can be grown in San Diego. It is such a good feeling to go around the room during the show and hear all the positive comments of admiration and amazement when people see all the varieties of ferns. And this year yours can be one of the ferns they praise.

                                                        Last chance, too, for buying a new fern to enter into the show. One of the rules states that you must own the fern for at least three months before the show (perhaps to prove we can keep it alive—like the Adiantum Peruvianum I just bought at Home Depot!). Ready, ferners? Now go get to work on those ferns.

                                                        Ferns in the San Diego Landscape
                                                        by Robin Halley
                                                        (taken from Nov.1992
                                                        Fern World, originally in Ca. Garden)

                                                        You know, when the landscape architect put those tree ferns (
                                                        Alsophila cooperi) and the Soft Shield ferns (Polystichum setiferum) in between the white wall and the big windows at the house next door, I thought she was crazy. Even though I had grown ferns for nearly 15 years, I thought those ferns would fry. Imagine my surprise when the ferns thrived there. So I decided it was time to look a little further into growing ferns in San Diego.

                                                        A sunny garden in La Jolla had some Maidenhair ferns (
                                                        Adiantum raddianum) in among the flowers. Along the coast other ferns were growing in nearly full sun. It turns out that the trick is to keep the ferns’ “feet” wet. A little water each day will keep the ground moist but not wet, allowing the fern fronds to handle more sun and wind.
                                                        Another factor as you move inland from the coast is one of light. Almost all ferns do well in bright light, but not direct sun. Near the coast my California Sword Fern (Nephrolepis cordifolia) is growing in nearly full sun; at a house in Clairemont it has southern exposure, getting sun all morning. Farther inland at a friend’s Lakeside house, this fern was fully shaded by an elm tree.
                                                        Other easy ferns for San Diego: Leatherleaf (
                                                        Rhumora adian-tiformis), Bird’s Nest (Asplenium nidus), Lace Fern (Microlepia strigosa), and Rabbit’s Foot Fern (Davallia trichomanoides).
                                                        With proper shade but bright light, good drainage, some air movement and protection from Santa Ana winds, and consistent watering and feeding, there are many more fern species that can be grown in the ground, in pots, in baskets, and in trees to provide you with greenery all year round.


                                                        Share Your Nursery Shopping Secrets in San Diego County
                                                        One of the ideas that surfaced from our Fern Questionnaire was a request for some good places to buy ferns. There is always the possibility of getting something by mail-order, but that is a topic that can wait for another time. Let’s consider local sources. Where have you gotten some nice ferns recently? Your editor mentioned one source in the article on page 4. Why not sit down and write a brief e-mail note or call to let us know where you do fern shopping. Here’s the address: sherryworthen@san.rr.com & phone number: 858-278-2017. Your name and your suggestions will be published in next month’s Fern World. Come on, shoppers, now’s your chance!

                                                        Pteridology in Russia
                                                        Chris Page, British, was invited to the first Russian Pteridological Conference in August of 2007, and was honored to give the opening lecture (using a translator). He was impressed with the youthful participants—many women, and the clarity and depth of study presentations, beautifully illustrated. In Russia he sensed a refreshing emphasis on relating results of fern research to practical field applications. He also noted a growing interest in ferns and a desire for closer east-west links. (Reported in 2009
                                                        Pteridologist)

                                                        A Suggestion for your Garden:
                                                        Get an old or new mailbox.
                                                        Mount it somewhere out in your garden,
                                                        on a pole or workbench or wall.
                                                        Use it as a place to keep gloves, trowel, pruning tools,
                                                        plant tags and a pencil.
                                                        It is convenient and weather-proof!

                                                        (idea from Mike & Toni Moody in April 2010 LAIFS Fern Journal)

                                                        San Diego Fern Society Officers

                                                        Officers
                                                        President Don Callard dcallard@san.rr.com
                                                        1
                                                        st Vice Pres. Robin Halley robin@sdfern.com
                                                        2
                                                        nd Vice Pres. Gary Bourne (regular mail
                                                        Treasurer Bill Ganger
                                                        wganger@sbcglobal.net
                                                        Secretary Amna Cornett
                                                        amnacarol@yahoo.com

                                                        Directors
                                                        Past President Kathie Russell klrkath@yahoo.com
                                                        Board Member Bruce Barry (regular mail)
                                                        Board Member Sherry Worthen
                                                        Board Mem. Bob Charlton
                                                        kwyjibo@san.rr.com

                                                        Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                        Assistant Editor Halley robin@sdfern.com

                                                        Membership

                                                        Amna Cornett is our membership chair. Please pay your 2010 dues ($8 individual or $10 family) at a San Diego Fern Society meeting.

                                                        Make checks payable to the San Diego Fern Society.

                                                        Advertising
                                                        Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at 619-281-1017.


                                                        Volume XXXIV, Number 5





                                                        APRIL FERN SOCIETY MEETING

                                                        The April 2010 meeting of the San Diego Fern Society will be held on Thursday, April 15, 2010. Our speaker will be Robin Halley, who will give us a springtime overview of The Ferns of San Diego County. This is an ideal time to seek out these native plants, so bring a friend and plan your next hike as we hear Robin tell us about the best places to look. The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.

                                                        Fern Society Memberships---Time to Renew

                                                        Please mail your $8. or $10. (family) to Amna or bring to a meeting.

                                                        NEWS AND NOTES

                                                        Refreshments

                                                        April lacks a hostess, however, refreshments are being provided by Charlie Robinson, Millie Sundstrom and Paula Couturier. The treats in May will be provided by Gary Bourne, Richard Lujan and Paula Couturier.

                                                        Name Tags
                                                        To order a $6. name tag (pin or clip) please see Gary Bourne at the meeting. You will feel all green, plus benefiting your society.

                                                        Program Ideas---Got One?

                                                        Have you taken a trip recently, and found ferns? Want to share them in a presentation? Please let our program chairman Robin Halley or our president Don Callard know. Thank you!

                                                        President’s Corner
                                                        Thanks to all of you who completed the questionnaire.  Your input is really appreciated. There’s one last chance (April meeting) to complete a questionnaire and enter the drawing for a platycerium from my collection at the May Society meeting. The speaker at our March Fern Society meeting was Mr. Letzring, San Diego Zoo's Horticulture Collections Manager.  We learned about where their plants come from, how they are displayed, and how they are maintained and propagated. (Wasn’t that a sight, seeing those cranes move a 20-ton plant to a new location! If you were not there, you missed some great insider views of the zoo’s plants.) It's hard to believe it’s April already. The San Diego County Fair is rapidly approaching, and we will have two displays: 
                                                        1)
                                                        Fern Container Exhibit. Once again, we will provide an educational display of hanging baskets, mounted and potted ferns. Your plants can be put into this display---let us know what you can loan for the exhibit.  Just groom your plants like you are entering them in our Show, but you don't have to prepare the exhibit (although your help at the Fair would be appreciated).  
                                                        2)
                                                        Large Garden Exhibit. This year’s design involves the use of ferns around a garden patio. We will need help constructing the exhibit and arranging plants in it. The major work is done on the two weekends (May 29 & June 5) prior to the June 11 opening of the Fair. Get dates and sign up at the April meeting. It is lots of fun helping to put this event together. Remember, this is a major source of income for the Society, and it can't be done without your support.
                                                        Don Callard, President
                                                        San Diego County Fair
                                                        The San Diego Society has participated in the Del Mar Fair for the past 32 years or so. This year’s fair will run Friday, June 11 thru Sunday, July 4. They will be closed on Mondays.
                                                        As described in the President’s Corner, our Society will again be providing two exhibits in the Home and Garden section of the fairgrounds. This area is a beautiful, relaxing place full of flowers, ferns and garden settings to catch your breath between the vendor booths and the rides.
                                                        We need you! The plants we exhibit in containers are all from our members who are willing to loan them for the three weeks of the fair. They are well-taken care of, and when show time
                                                        rolls around in August you will be so glad that you had already trimmed and groomed your ferns for the fair!
                                                        Other club members volunteer to drive plants to the fairgrounds before and afterwards home again. Some bring shovels or trowels to help set in the plants for the landscape exhibit. We can always use those with garden snips to clean up plants before we set them in. Those who have assisted before know how much fun “hard work” can be, and there is that reward of free tickets to the fair when you put in time to help out!
                                                        Mark these dates for set-up: Saturday---May 29, Saturday---June 5, and for tear-down---Monday, July 5. It will open up a whole new world for you!


                                                        Fern Research from Brazil:

                                                        The high number of species and varieties (122) was surprising. They were ferns and lycophytes found during a two year inventory by Zuquim, Prado, Costa and Tuomisto in central Amazonia, approximately 200 miles north of Manaus. A 5 mi. square covering hillsides, plateaus, rocky soils and tree-fall gaps in Terra Firme forests was sampled intensely, with special attention given to the many streams crossing trails, as well as by a nearby waterfall and in the surrounding
                                                        campinarana area. Nearly 35% of the species found were epiphytes. The study, from 7/06 -2/08, was one of the first conducted in areas of relatively rich soils and reinforces the idea of using ferns and lycophytes as indicator groups of the distribution of biodiversity in the region. Among the fern species observed were 8 varieties of Asplenium, 2 Blechnum species, 13 Adiantum species, 8 kinds of Microgramma, 12 Trichomanes species, 4 Elaphoglossum species and many others from the Dryopteris, Thelypteris, and Polypodiacea genera. Some genera like Bolbitis and Tectaria, not usually common in central Amazonia, were found. Some ferns from genera such as Lindsaea, which tend to be found in poor soils, were also found. 4 species appeared only along disturbed areas (road margins). To see images of almost all the species, go to http://ppbio.inpa.gov.br/Port/guias/, click on “Guide to the ferns and lycophytes of REBIO Uatuma – Central Amazonia,” Click on the Rebio square on the map, then select inventories. [Keep scrolling through the pages of the online book. The Trichomanes are worth the effort---hugging tree trunks! Ed.]

                                                        (reported in the British Pteridological Society’s
                                                        Fern Gazette, June/09)

                                                        Let Your Garden Imitate Nature: Costa Rica

                                                        A study reported in the American Fern Journal (July-Sept./09) describes habitats preferred by ferns in a Costa Rican tropical rain forest. Of 40 species observed, 20 grew on huge tree trunks; 20 species were generally terrestrial; only one was found in both areas. With increasing trunk height (grouped into high-trunk, medium-trunk and low-trunk categories) fern species were more diverse. Simple-leaved ferns dominated the epiphytes on tree trunks, whereas ferns with compound or dissected leaves dominated the partially-epiphytic and terrestrial floras. Factors being considered for fern habitat choices: light, wind, humidity, and leaf weight. Filmy ferns preferred the dark, moist buttress zone. High canopy locations appealed to the Elaphoglossums, Hymenophyllums & Vittariacaeas. Apply this research to San Diego ferns: if it isn’t happy in one location, try another spot! (And consider the fern’s original habitat.)



                                                        In the spring, at the end of the day,
                                                        you should smell like dirt.
                                                        Margaret Atwood



                                                        The love of gardening
                                                        is a seed once sown
                                                        that never dies.
                                                        Gertrude Jekyll


                                                        (This brief excerpt from a fern foray a few years ago gives a little glimpse into the enthusiasm for ferns in the wild that our speaker has. It seems to be a life-long condition.)

                                                        The Three Cheilballeros by Robin Halley


                                                        My friend David Schwartz calls with his third offer this year of a trip to see cheilanthoid (xeric) ferns. We agree to go to a small area near Tucson, AZ (my choice), and invite Phillip Hammond to go with us. We take turns driving and sleeping non-stop from San Diego to Tucson. After a quick breakfast we head for the hills, in this case Mt. Lemmon, which peaks at about 7500 feet. At about 4000 feet we park and head into the bush. It hasn’t rained for a long time; grasses are dry and brown. Ferns are “crispy critters,” all curled up and dormant.

                                                        David, who has the best feeling for where to find ferns, spots the first find---
                                                        Cheilanthes lindheimeri growing at the base of some rocks. A few yards further up the hill he spots Astrolepis sinuata. Several varieties of A.sinuata grow on Mt. Lemmon, but completely curled up they are very difficult to distinguish. The only other fern at this spot is Bommeria hispida, a close-creeping fern which grows in little clusters around and between rocks. We find a fern ally here, Selaginella rupincola. ............

                                                        About a mile further up, fighting thru underbrush full of cacti, in
                                                        a rockier site with more tree cover we spot lots of Astrolepis here, probably A.sinuata. With some rain these would show a couple of color variations but they are all brown now. The hill here is also covered with myriad groups of Cheilanthes bonariensis, a lovely, easy-to-grow fern with yellowish hairs covering the back side of the fronds.

                                                        There are also large mats of Bommeria hispida and David spots another Cheilanthes, C.tomentosa. We talk about what a lovely plant it is...when there has been some rain.

                                                        We head down to an even better spot along a ravine. Clambering up the rocks we spot another
                                                        Selaginella, S. arizonica. It’s a pretty gold color, all curled up. Further up the hill we find Notholaena greyi among the clumps of C. tomentosa, A.sinuata, C. lindheimeri, S. rupincola and C. bonariensis. However, soon we spot what we’re really here for. I find A. integerrima first and an even smaller form---it might be A. cochisensis. Phillip and David and I discuss pinnule size and habit. David’s says A. cochisensis is usually found in limestone and these rocks are not.

                                                        Down the hill to one more site. Here a hillside overlooks a small pond. Following the empty creek along the way, we find a single
                                                        Cheilanthes lindheimeri growing in a seep with one frond uncurled. Life! On a series of ledges on the rocky cliff face above the pond, we ferret out another pair of ferns we had not seen yet today: Notholaena standleyi and Pentagramma triangularis. Curled up the two look very similar. But here we find a N. standleyi with several open fronds growing right next to Cheilanthes wooteni that also has fronds of green. We gather ‘round to take pictures.

                                                        That’s it for Mt. Lemmon . . . After a quick check-in at the motel, we decide we have time for one more foray............[and they did!]




                                                        Save the second weekend in June (June 12 – 13) for the LAIFS
                                                        Fern Show, held at the Los Angeles Arboretum in Arcadia.
                                                        More information in next month’s Fern World.


                                                        San Diego Fern Society Officers

                                                        Officers
                                                        President Don Callard dcallard@san.rr.com
                                                        1
                                                        st Vice Pres. Robin Halley robin@sdfern.com
                                                        2
                                                        nd Vice Pres. Gary Bourne (regular mail)
                                                        Treasurer Bill Ganger
                                                        wganger@sbcglobal.net
                                                        Secretary Amna Cornett
                                                        amnacarol@yahoo.com

                                                        Directors
                                                        Past President Kathie Russell klrkath@yahoo.com
                                                        Board Member Bruce Barry (regular mail)
                                                        Board Member Sherry Worthen
                                                        Board Mem. Bob Charlton
                                                        kwyjibo@san.rr.com

                                                        Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                        Assistant Editor Robin Halley robin@sdfern.com

                                                        Membership

                                                        Amna Cornett is our membership chair. Please pay your 2010 dues ($8 individual or $10 family) at a San Diego Fern Society meeting.

                                                        Make checks payable to the San Diego Fern Society.

                                                        Advertising
                                                        Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at 619-281-1017.

                                                        Volume XXXIV, Number 4

                                                        MARCH FERN SOCIETY MEETING

                                                        The March 2010 meeting of the San Diego Fern Society will be held on the 4
                                                        th Thursday, March 25, 2010 (The only date change for a meeting this year). Our speaker will be Mike Letzring, the San Diego Zoo’s Horticulture Collections Manager. Have you ever admired the plants as you walked around the zoo and wondered who plans the landscaping, who buys the plants and takes care of them---not watering too much or too little? Come Thursday night and you will find out during Mike’s entertaining PowerPoint presentation. And be prepared to ask questions afterwards. The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM. Bring a friend!

                                                        Fern Society Memberships---Time to Renew
                                                        Check the number on this Fern World cover---look for (’10) or greater after your name. Only 26 of you have (’09) by your name and still need to renew ($8 for individuals or $10 for a family). Mail to Amna or bring to a meeting. Keep those Fern Worlds coming!

                                                        NEWS AND NOTES
                                                        Refreshments
                                                        Nancy Hoyt will be the hostess for March, assisted by Elizabeth Glover and Marga Fountain. Thanks to all who signed up at the February meeting to bring refreshments during 2010. Yum!

                                                        Name Tags---A March Fern Society good luck charm!
                                                        To order a $6. name tag (pin or clip) please see Gary Bourne at the meeting. You will feel all green, plus benefiting your society.

                                                        Program Ideas---Got One? Please let our program chairman
                                                        Robin Halley or our president Don Callard know. Thank you!

                                                        President’s Corner
                                                        Thanks to those of you that have completed our questionnaire.  Have you completed a questionnaire yet?  We want to hear from you! Either mail back the enclosed form or fill out one at the next meeting.  Don’t forget the drawing at the May meeting from the names of those who have submitted questionnaires, with a mounted Platycerium from my collection for the winner.

                                                        A summary of questionnaire responses is being compiled and will be printed in next month’s Fern World.  The Board of Directors is working on how best to publicize our society’s activities, including monthly meetings and our annual Fern Show.  We still welcome any suggestions from you. As you can see in the notice below, we have lost another long-time member and supporter, Oscar Olson.  Oscar was a close personal friend, and successfully propagated many ferns, mostly platyceriums.  Losing Oscar emphasizes another one of our goals this year, that of finding and adding new members.  Board members welcome ideas on how to make the society appealing to potential members, so please feel free to make suggestions, and invite someone to our activities.  Thank you. Don Callard, President

                                                        In Memoriam

                                                        We are sad to report that Oscar Olson passed away on February
                                                        25, 2010, at the age of 82. He was an avid Platycerium grower,
                                                        sharing specimen plants with members and often provided
                                                        educational displays at show time. A memorial celebration will be held Saturday, March 27 in Quail Gardens at 2:00 p.m.

                                                        SPEAKING OF FERNS Part 5

                                                        Using Sori to Identify a Fern
                                                        by Elizabeth Pelz (
                                                        Originally in The Best of Fern World 1988)
                                                        ______________________________________________________
                                                        Concluding the in-depth look at fronds---how to describe them and
                                                        their usefulness in classifying an unnamed or unidentified fern .

                                                        More than any other feature of fern morphology, the reproductive structures known as sori (singular = sorus) serve to classify and identify fern genera. These sori are composed of clusters of sporangia, the spore cases that develop on the under-surfaces of fronds or frond segments. A flap of tissue called an indusium serves as a protective covering for the sorus and is present in varying forms in many fern genera. Whether or not an indusium is present is also an important feature in classifying ferns to family and genus.

                                                        Even though advancements in chemistry and microscopy have added exciting new insights into fern systematics, the shape and arrange- ment of sporangia remains the most reliable diagnostic feature in fern classification and identification. (Immature sporelings are often difficult to identify since they lack sporangia that only develop on mature ferns.) Familiarity with the soral patterns will aid in instant recognition of many fern genera, bringing satisfaction to ferners.

                                                        Even without magnification we may recognize the patterns that the sori make and whether or not an indusium is present. But a hand lens of 10X or greater will enhance your observations. And these tiny structures viewed with a microscope are marvelous to behold.

                                                        It is also important to observe the relationship of the sori to the veins within the blade itself. In most fern species the sporangia are assoc-iated with veins (providing sufficient energy for sori development).

                                                        Although the sorus is
                                                        exindusiate (8-b), a microstructure known as a paraphysis (plural = paraphyses) often occurs among the sporangia of the polypodies. These bodies are hair-like organs that must be viewed under magnification and are important when identifying to species.
                                                        It must be stressed that no one single character will lead to all genera or species identification. There are always exceptions, variations, and sterile mutations to befuddle us. However, the system set forth by Hooker and Baker in 1868 still forms part of our modern standard of fern classification where the sori are the most descriptive feature.
                                                        The above examples of sori types hardly touch on the myriad of variations found in fern genera. Try looking on the undersides of some of the fern fronds in your garden or at the nursery. Soon you will begin to feel more confident in your ability to recognize and distinguish among the different species by their sori. You will be well on your way to becoming an unabashed lover of ferns and able to use all their unique features for identification.




                                                        References
                                                        Lellinger, David B. (1985). A Field Manual of the Ferns and Fern Allies of the United States and Canada.
                                                        Mickel, John T. (1979).
                                                        How to Know the Ferns and Fern Allies.
                                                        Olsen, Wilbur W. (1977).
                                                        The Fern Dictionary (Los Angeles International Fern Society).
                                                        Tryon, Rolla M. and Alice F. Tryon (1982).
                                                        Ferns and Allied Plants With Special Reference to Tropical America.

                                                        San Diego Fern Society Officers

                                                        Officers
                                                        President Don Callard dcallard@san.rr.com
                                                        1
                                                        st Vice Pres. Robin Halley robin@sdfern.com
                                                        2
                                                        nd Vice Pres. Gary Bourne (regular mail)
                                                        Treasurer Bill Ganger
                                                        wganger@sbcglobal.net
                                                        Secretary Amna Cornett
                                                        amnacarol@yahoo.com

                                                        Directors
                                                        Past President Kathie Russell klrkath@yahoo.com
                                                        Board Member Bruce Barry (regular mail)
                                                        Board Member Sherry Worthen
                                                        Board Mem. Bob Charlton
                                                        kwyjibo@san.rr.com

                                                        Fern World Editor Sherry Worthen sherryworthen@san.rr.com
                                                        Assistant Editor Robin Halley robin@sdfern.com

                                                        Membership

                                                        Amna Cornett is our membership chair. Please pay your 2010 dues ($8 individual or $10 family) at a San Diego Fern Society meeting.

                                                        Make checks payable to the San Diego Fern Society.

                                                        Advertising
                                                        Business card-sized ads for $3. Prices for larger sized advertising upon request from the Treasurer, Bill Ganger at 619-281-1017.

                                                        Volume XXXIV, Number 3

                                                        JANUARY FERN SOCIETY MEETING

                                                        The January, 2010 meeting of the San Diego Fern Society will be held Thursday, January 21, 2010. It is the annual Staghorn Night.

                                                        This year, Don Callard will give us information regarding caring for these ferns in the various environments found in the San Diego area, from the coast to inland and the semi-desert regions.  Topics will include fertilizers, pest control, watering, and mounting.  Removing pups, dividing plants, and mounting them on boards will be demon-strated.  If you to divide a stag or have pups removed, bring in your fern and you will be shown how to do it.  Mounting materials will be available at a minimal cost if you don't have them.

                                                        The Society meets in Room 101 of Casa del Prado in Balboa Park at 7:30 PM.

                                                        NEWS AND NOTES

                                                        Refreshments
                                                        January refreshments will be provided by Gary Bourne, Amna Cornett and Bill Ganger. A refreshments sign-up list for 2010 will be circulated at this month’s meeting.

                                                        Fern Society Memberships
                                                        It is time to renew your Fern Society Membership for 2010. The cost is $8. for individuals or $10. for a family. Bring your money or check to a meeting or use the membership form on the inside of the back cover to mail in your renewal.

                                                        New Year’s Resolution: Wear name tag to meetings!
                                                        To order a $6. name tag (pin or clip) please see Gary Bourne at the meeting. We want to know each other better in 2010.

                                                        Fern Society Meeting Dates for 2010

                                                        Welcome to a New Year of Fern Society activities! This year almost all meeting dates will be on our traditional “third Thursdays.” The only month with a change will be March---when the meeting will be postponed one week, to be held on March 24, 2010. We will be reminding you of this change at the February meeting, and again in the Fern World. Mark your calendar, so that you can attend all Society meetings this year.

                                                        Annual Platycerium (Staghorn) Night This month’s program, as it is each January, is devoted to the species Platycerium, commonly known as Staghorn Ferns. As an added feature again this year, in place of the plant table there will be stags for sale. Members are encouraged to bring in stags that they would like to sell or trade. 

                                                        Plants for sale will be placed on the plant table and if you would like to purchase a plant, you may do so when your name is called during the drawing.  Note: all members in attendance are eligible to purchase plants without buying tickets for this month only. The Society will collect the purchase price from the sale, retain 30% (the same as the Show), and whoever brought in the plant for sale will be paid the rest.  If you trade your plant for another there is no charge.  Plants for sale must be tagged with your name, the name of the plant, and the price you are asking for the plant.

                                                        Don't miss out on this great opportunity to obtain many
                                                        Platy-cerium species not normally available from nurseries. Be sure you attend and bring a friend.

                                                        Wintering Ferns in San Diego

                                                        by Bob Halley

                                                        So! Winter is upon us and most of our ferns are starting to look pretty ratty. What do we do now? The first thing we do is try to give the ferns what they look like they need. So much depends on the kind of fern and, most importantly, its natural habitat.

                                                        Some of our plants, notably
                                                        Platycerium and Polypodium formosanum, are behaving like it’s spring, so we need to treat them that way. Any fern growing strongly through the winter should be watered and fed as usual. In fact, most of these plants will want a dormant spell come summer. These are almost the only ferns we should feed again until spring.

                                                        There is another large group of plants called the “hardy ferns” that are used to wintering under ice and snow. Remember that it is like a desert down there under the snow. All of the water is frozen out of the soil and is not available to the plants. Some of these plants are deciduous and the fronds will turn brown and may fall off. I try to mark these with little white plastic sticks (for snow) so that I don’t panic when they look like they are dying. Others will simply stop growing. The fronds may become ragged and gradually turn brown as winter goes on.

                                                        In general, fronds that still have green in them should be left until new growth starts to appear. It’s a good idea to finish pruning them then before the old fronds get all mixed up with the new. They need no food and very little water. I try to get by on natural rain water as much as possible, but I don’t let the soil become rock hard.
                                                        Extra water will rot the roots and the fern will never come back, especially with potted plants.

                                                        The largest group of ferns that we grow outdoors in San Diego are semi-tropical. They will almost stop growing for the winter but will stay green and continue to put up a few new fronds that may be quite small. This group includes most of the tree ferns. Since they are growing, they need some water. They do not need food because that will encourage tender new growth that won’t survive a cold night. I make sure they stay damp but once again,
                                                        no extra water.

                                                        In general, it pays to cut off fronds that have turned completely brown but to leave the ones which stay green. When new fronds start to appear in the spring the old disfigured fronds should be removed. Old fronds that are still nice and green should be left on the plant. There are a small number of ferns, including all the
                                                        Pyrrosia, that keep their fronds for more than one year. Good fronds should be left alone.

                                                        There is a special case in this group and that is the maidenhairs. Most of them have a very short dormant season. Some fronds turn brown, but they keep on growing a few new ones and then suddenly, shortly after the winter solstice, they all burst into growth. When they start to grow they will have seemingly hundreds of tender little fiddleheads. It will then be impossible to remove the old fronds without severely damaging the plant. The solution is to go out one day in January and give them a complete “butch” haircut. Then I start to water and feed them gently and very soon there will be a forest of little croziers. In a matter of weeks my ugly, mutilated little plant will sport a wealth of new, light green fronds.

                                                        There are some other ferns that may be treated similarly to the treatment of maidenhairs. I cut back the
                                                        Microlepia strigosa and the Rumorha adiantiformis at the same time as the maidenhairs. I also trim back some Davallia and Humata. But it pays to be careful with severe pruning because with some species it may cost the plant a year’s growth. Most of us would like to do this with Nephrolepis that are or look like Boston ferns. This is a no-no! Cutting all the fronds off will frequently kill these plants. In this case we will just have to do the work ourselves and cut the old fronds out from the new ones.

                                                        There is one more aspect of ferns in winter that is worth mention. We are all used to transplanting, dividing, and repotting when plants are completely dormant. This is the way most plants are done, but ferns prefer it if we wait until they have started to grow strongly in the spring. As always, we should try to leave the little feeding rootlets as undisturbed as possible. May you enjoy your ferns even during the winter.

                                                        Bob Halley was a retired physicist who was very active in the San Diego Fern Society for many years, serving several terms as its president and writing many informative articles. This one was first in
                                                        Fern World, 1993.

                                                        The best gardeners are
                                                        three-hundred-and-sixty-five-day-a-year gardeners, for long experience
                                                        has taught them
                                                        that some of the darkest days
                                                        can also be among the brightest. B. Nichols


                                                        President’s Corner

                                                        First I would like to thank all of the 2009 officers for their dedication and hard work this year (and for most of them, several years). Outgoing president Kathie Russell is relocating to Arizona. She has provided valuable leadership, particularly during our annual shows. Thank you, Kathie, you will indeed be missed.

                                                        As you all know, we have lost a number of our active members for various reasons over the past couple of years. Most of these folks had been in the forefront, guiding and directing the Society. As a result most of our officers have had to serve multiple terms, and vacant positions on the Board have sometimes gone unfilled because very few members have stepped up to become more involved in the operations of the Society.

                                                        Also, the number of folks that work on our show and exhibits at the Fair has shrunk to unacceptable levels, with the same few doing most of the work every year. Without more participation to support these events we may have to make some changes in these events. Therefore I am proposing that a major emphasis for us this year should be to increase the