San Tan Valley, Arizona Hardiness Zones

According to the 2023 USDA Hardiness Zone Map San Tan Valley, Arizona is in Zones 10a (30°F to 25°F) and 9b (25°F to 20°F). This is a change from the 2012 USDA Hardiness Zone Map which has San Tan Valley in Zones 9b (25°F to 20°F).

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