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USDA Plant Hardiness Zone Map
The 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is based on the average annual minimum winter temperature, divided into 10-degree F zones.
Average Annual Extreme
Minimum Temperature
1976-2005



Northwest U.S.

Southwest U.S.

Northern Midwest U.S.

Southern Midwest U.S.

Northeast U.S.

Southeast U.S.
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