By state

Public gardens in California

68 California botanical gardens and arboretums, each mapped and typed.

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Alta Vista Gardens — California

Arboretum at the University of California, Santa Cruz — Santa Cruz, California

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Arizona Cactus Garden — California

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Balboa Park Gardens — California

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Blake Garden — California

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California Botanic Garden — California

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California Botanic Garden — California

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California State University Northridge Botanic Garden — California

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Clovis Botanical Garden — California

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Conejo Valley Botanical Garden — California

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Conservatory of Flowers — San Francisco, California

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Descanso Gardens — California