Welcome to the San Francisco Orchid Society

Welcome to the San Francisco Orchid Society web site. We are lucky to reside in one of the best parts of the country for the cultivation of orchids in the home, greenhouse, and garden. It is our hope that our site, our meetings, and our members will spark your enthusiasm to give this most satisfying hobby a try!

San Francisco Orchid Society Meetings

The San Francisco Orchid Society meets on the first Tuesday of every month.

Located at San Francisco County Fair Building (Hall of Flowers), adjacent to the San Francisco Botanical Garden at Strybing Arboretum (at Ninth Avenue and Lincoln Way, San Francisco).

Plants submitted for American Orchid Society Judging must be entered between 6:30 p.m. and 7:00 p.m. The meeting will start at 7:30 p.m.

Contact SFOS at info@orchidsanfrancisco.org

Next Meeting: Tuesday, April 2, 2019 – 7:00 p.m.

April Meeting: Harold Koopowitz

Topic: Perfecting the Miniature Slipper Orchids

Harold Koopowitz

Harold Koopowitz grew up in South Africa where he attended university, majoring in both Botany and Zoology. He then completed a doctorate at UCLA in California in 1968. A professor at the University of California at Irvine since graduating, he was also the Director of the UCI Arboretum for twenty years. He is now Professor Emeritus of Biology in the Department of Ecology and Evolutionary Biology at UCI, where he did research on conservation and ecology. 

He was also Editor-in-Chief of the Orchid Digest for ten years and still works on the editorial committee of that Journal. 

He gardens in Tustin, Orange County, California and is well known internationally for breeding both Slipper Orchids and Miniature Daffodils. For many years, he was a partner in Paphanatics, unLimited with Norito Hasegawa.

Harold has written over a hundred scientific papers and book chapters as well as many popular articles on orchids. He has also authored eight books. His most recent orchid book is Tropical Slipper Orchids and he is currently working on several new books, including another one on Slipper Orchids. 

He also writes fiction, novels and short stories that have orchid themes. Orchid Tales is a compendium of his short stories. His latest adventure novel is The Emerald Orchid about an albino Paph. rothschildianum. He is currently working on a new novel. His books are available on Amazon. Harold will be bringing some of his novels for sale at the meeting. All proceeds from his books go to the Orchid Digest.

Besides writing, Harold’s hobbies include gardening and flower breeding. He is known for his work, breeding new kinds of slipper orchids as well as miniature daffodils.

Paph. Little King “Perfect Pink”


Paph. Little Whimsical Baby


Paph. Little King Cup

Harold has been honored by being a recipient of the Herbert Medal from the International Bulb Society; the Orchid Digest Medal for meritorious service to orchids; the Ralph B. White Medal as well as the Peter Barr Cup from the Royal Horticultural Society for innovations in daffodil breeding; the Gold Medal from the American Daffodil Society and the Gold Medal from the American Orchid Society as well as the Westonbirt Medal from the Royal Horticultural Society for outstanding achievement with orchids.

Upcoming Meetings

• May 2019: TBD

San Francisco Orchid Society Membership (New Members and Renewals)

Membership Cost

(tax deductible)

  • $25/year (Standard Individual Membership)
  • $40/year (Household Membership)

How to Apply and Pay

For both new members and renewals, please complete our online member application through Member Planet.

You will need to create a basic account with Member Planet to apply to the SFOS. This is a new process to simplify tracking of our membership dues payments and roster information.

If you want help with this new process, we can assist you at the membership table at the monthly SFOS meetings.

If you cannot use the online process, then please go ahead and mail a check with your contact information to:

SFOS Membership
P.O. Box 27145
San Francisco, CA 94127-0145

SFOS Member Handbook

SFOS By-Laws

Members can volunteer to help the society prepare for the Annual Pacific Orchid Exposition (POE), held at the Hall of Flowers (County Fair Building) in Golden Gate Park. The creativity and enthusiasm of our members help make the show a success. Join now and see how you can get started.

San Francisco Orchid Society Newsletters

San Francisco Orchid Society Library

Literature is available for SFOS members on orchid-related topics at each month’s meetings. For a list of what’s available, please download a copy of our book list below.

—SFOS Librarian Chuck Chan

SFOS Officers

Jeff Harris, President
Erik Sayle, Vice President
Jeremiah Chua, Secretary
Faye Rabino, Treasurer (CFO)

For any SFOS related questions, contact info@orchidsanfrancisco.org.

Support Businesses
That Support the SFOS

International Orchid Tours Available

Since the turn of the millennium, the SFOS has donated over $50,000 in support of local horticultural education and botanical gardens, botanical research, and international conservation efforts.  Many of the organizations the SFOS support include Orchid Conservation Alliance, the Helen Crocker Russell Library of Horticulture, SF Botanical Garden, UC Berkeley Botanical Gardens, Cal Poly San Luis Obispo Horticulture Department, the Conservatory of Flowers in Golden Gate Park and many more.