Grand Canyon West, Arizona Hardiness Zones

According to the 2023 USDA Hardiness Zone Map Grand Canyon West, Arizona is in Zones 8a (10°F to 15°F), 8b (15°F to 20°F), 9a (20°F to 25°F) and 9b (25°F to 20°F). This is a change from the 2012 USDA Hardiness Zone Map which has Grand Canyon West in Zones 8b (15°F to 20°F), 9a (20°F to 25°F) and 9b (25°F to 20°F).

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