The California Botanic Garden (formerly the Rancho Santa Ana Botanic Garden) is a botanical garden in Claremont, California. The 86-acre garden is the largest botanic garden in the state dedicated to California native plants. It contains s... Read more >

California State University San Marcos Campus Arboretum is located in San Marcos, CA.

ArbNet Accredited Arboretum – Level I... Read more >

Descanso Gardens is a 150-acre botanical garden located in La Cañada Flintridge, Los Angeles County, California. Descanso Gardens features a wide area, mostly forested, with artificial streams, ponds, and lawns. Descanso Gardens has a wid... Read more >

Filoli, also known as the Bourn-Roth Estate, is a country house set in 16 acres of formal gardens surrounded by a 654-acre estate, located in Woodside, California. Owned by the National Trust for Historic Preservation, Filoli is open to th... Read more >

Fullerton Arboretum At California State University is located in Fullerton, CA.

ArbNet Accredited Arboretum – Level III... Read more >

Admission to the Arboretum is Free and open to the public from one hour after sunrise to one hour before sunset.

ArbNet Accredited Arboretum – Level I... Read more >

The Japanese Friendship Garden, also known as Sankei-en, is a 12-acre Japanese garden located within Balboa Park in San Diego, California. It is an expression of friendship between San Diego and its Japanese sister city Yokohama. The garde... Read more >

Los Angeles County Arboretum & Botanic Garden is located in Arcadia, CA.

Daily visiting hours are 9am to 5pm with last entry at 4:30. Members early entry is at 8am.  Purchase your tickets online in advance.

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The San Francisco Botanical Garden at Strybing Arboretum (formerly Strybing Arboretum) is located in San Francisco's Golden Gate Park. Its 55 acres represent nearly 9,000 different kinds of plants from around the world, with particular foc... Read more >

The Santa Barbara Botanic Garden is a 78-acre botanical garden containing over 1,000 species of rare and indigenous plants. It is located in Mission Canyon, Santa Barbara, California. The purpose of the Garden is to display California nati... Read more >

The Water Conservation Garden is located in El Cajon, CA.

ArbNet Accredited Arboretum – Level I... Read more >