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An extensive view of U.S. Hardiness Zones based on National Climatic Data Center stations.

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New-And-Improved USDA Plant Hardiness Zone Map

Mapping an “Indeterminable Quantity” - Arnold Arboretum

Swan's Interactive Planting Zone Map

USDA Hardiness Zones & Map

New 2023 USDA Plant Hardiness Zone Map Released

Get It Growing: USDA Hardiness Zone Map updated

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USDA unveils updated plant hardiness zone map - Nursery Management

USDA Zone Map: The Southern Guide To Plant Hardiness And Climate Zones

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The new 2023 USDA Plant Hardiness Zone Map changes everything. Here's why it matters to every gardener.

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