Point Loma Garden Club
- Point Loma Garden Club in San Diego, California, is a group of fun-loving people who like to garden and create floral arrangements.
- http://www.plgc.org/

Woodside-Atherton Garden Club
- Aims to provide educational and community service projects in the areas of horticulture, beautification, and conservation. Information about the member-maintained native plant garden and annual plant sale.
- http://www.woodsideathertongc.com/

Diggers Garden Club
- Organization in Pasadena aiming to stimulate interest in private and public gardens. Overview of meetings and events, slide shows, and meeting minutes.
- http://www.diggersgardenclub.com/

Pomona Valley Camellia Society
- Presents its shows and events, information for judges, membership form, and care instructions.
- http://homepage.mac.com/pvcamelliasoc/

American Bamboo Society of Southern California
- Site contains newsletter, calendar, directors, members, bulletin board, links, and services. Based in Encinitas, C
- http://www.abssocal.org/

San Diego Horticultural Society
- Promoting the enjoyment, art, knowledge and public awareness of horticulture.
- http://www.sdhortsoc.org/

California Garden Clubs, Inc.
- Non-profit group promoting the development of gardening, community beautification and natural resources conservation. Details educational events and conferences and links to affiliated clubs and plant societies throughout the state.
- http://californiagardenclubs.org/

Redlands Horticultural & Improvement Society
- Trives to enhance the beauty of the Redlands, California area, and encourage the love and practice of horticulture among its citizens.
- http://www.rhis.org/

Inverness Garden Club - San Francisco Bay Area Garden Club featuring Pt. Reyes Peninsula Garden Tour
- The Inverness Garden Club, on the San Francisco Bay Area's Point Reyes peninsula, stimulates knowledge/appreciation of gardening, provides college scholarships to qualified West Marin residents and promotes beautification of our local community.
- http://www.invernessgardens.org/

San Francisco Garden Club
- Offers an overview of programs offered, membership requirements, and contact details.
- http://dir.gardenweb.com/directory/sfgc1

San Diego Floral Association
- San Diego Floral Association is the oldest garden club in Southern California. Home to California Garden magazine and 3500 book horticultural library. Mediterranean and drought tolerant gardening plus flower arranging.
- http://www.sdfloral.org

California Horticultural Society
- An educational, non-profit organization dedicated to bringing together gardeners and garden professionals to share experiences.
- http://www.calhortsociety.org/

Modesto Garden Club
- Projects include hanging baskets, flower pots, and a working flower clock in downtown Modesto.
- http://www.modestogardenclub.org/

Southern California Horticultural Society
- Shares knowledge and experience in the areas of gardening and botany. Members are amateurs and professionals.
- http://www.socahort.org/