Posted by: Sandy Steinman | March 20, 2026

California Botanic Gardens

Here is the combined list of notable botanical gardens in California compiled by Geminia

Garden Name City/Area Notable Specialty or Collection
East Bay Regional Park Botanic Garden Berkeley (Tilden Regional Park) Largest and most comprehensive collection of California Native Plants.
University of California Botanical Garden Berkeley Extensive collection of plants from around the world, especially from Mediterranean climates.
San Francisco Botanical Garden San Francisco (Golden Gate Park) Over 8,000 varieties of plants, featuring high-elevation tropical plants and a cloud forest.
Ruth Bancroft Garden Walnut Creek Nationally renowned collection of dry-climate, water-conserving plants (succulents, cacti, and arid shrubs).
Filoli Woodside Historic estate with 16 acres of exquisite formal English Renaissance-style gardens.
Mendocino Coast Botanical Gardens Fort Bragg 47 acres along the coastline, featuring rhododendrons, heathers, and coastal bluffs.
UC Davis Arboretum Davis 100-acre public garden along Putah Creek, focused on regional landscaping and sustainable horticulture.
The Arboretum at Fresno State Fresno Diverse collection supporting instruction in ornamental horticulture and landscape design.
Huntington Botanical Gardens San Marino 16 themed gardens, including one of the world’s most impressive desert gardens.
Los Angeles County Arboretum and Botanic Garden Arcadia Historic site with subtropical plants, aquatic gardens, and a famous flock of peafowl.
Descanso Gardens La Cañada Flintridge Known for its world-renowned collection of camellias, a rose garden, and native oak forest.
California Botanic Garden Claremont Largest botanic garden dedicated exclusively to California native plants (formerly Rancho Santa Ana Botanic Garden).
Santa Barbara Botanic Garden Santa Barbara Focused exclusively on the conservation and display of California native plants.
Lotusland (Ganna Walska) Montecito A spectacular estate garden famous for its eccentric and rare plant collections, including cycads and topiary.
South Coast Botanic Garden Palos Verdes Peninsula Built on a former sanitary landfill, known for its extensive environmental reclamation and plant diversity.
San Diego Botanic Garden Encinitas 37 acres with 15 distinct microclimates, from bamboo groves to desert gardens.
Moorten Botanical Garden and Cactarium Palm Springs A private garden specializing in over 3,000 varieties of cacti and other desert plants.

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