By state

Public gardens in Oregon

14 Oregon botanical gardens and arboretums, each mapped and typed.

Beekman Native Plant Arboretum — Jacksonville, Oregon

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Berry Botanic Garden — Oregon

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Bush's Pasture Park — Salem, Oregon

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Crystal Springs Rhododendron Garden — Oregon

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Hendricks Park — Oregon

Hoyt Arboretum — Portland, Oregon

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Lambert Gardens — Oregon

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Leach Botanical Garden — Oregon

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Martha Springer Botanical Garden — Oregon

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Mount Pisgah Arboretum — Oregon

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Oregon Garden — Oregon

Oregon Trail Arboretum — Echo, Oregon