Spokane County, Washington Hardiness Zones

According to the 2023 USDA Hardiness Zone Map Spokane County, Washington is in Zones 6a (-10°F to -5°F), 6b (-5°F to 0°F) and 7a (0°F to 5°F). This is a change from the 2012 USDA Hardiness Zone Map which has Spokane County in Zones 5b (-15°F to -10°F), 6a (-10°F to -5°F) and 6b (-5°F to 0°F).

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