Carson, Washington Hardiness Zones

According to the 2023 USDA Hardiness Zone Map Carson, Washington is in Zones 8a (10°F to 15°F) and 8b (15°F to 20°F). This is a change from the 2012 USDA Hardiness Zone Map which has Carson in Zones 7b (5°F to 10°F) and 8a (10°F to 15°F).

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