By state

Public gardens in Ohio

21 Ohio botanical gardens and arboretums, each mapped and typed.

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Chadwick Arboretum — Ohio

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Cincinnati Zoo and Botanical Garden — Cincinnati, Ohio

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Cleveland Botanical Garden — Cleveland, Ohio

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Cox Arboretum and Gardens MetroPark — Ohio

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Dawes Arboretum — Ohio

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Fellows Riverside Gardens — Ohio

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Franklin Park Conservatory — Columbus, Ohio

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Gardenview Horticultural Park — Strongsville, Ohio

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Holden Arboretum — Ohio

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Inniswood Botanical Garden and Nature Preserve — Ohio

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Kingwood Center — Mansfield, Ohio

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Krohn Conservatory — Ohio