Montgomery County, Texas Hardiness Zones

According to the 2023 USDA Hardiness Zone Map Montgomery County, Texas is in Zones 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 Montgomery County in Zones 8b (15°F to 20°F) and 9a (20°F to 25°F).

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