USDA Hardiness Map

Technorati Tags: southeast,southwest,map,hardiness USDA Hardiness Map Average Low Temperatures Zone 4 -30°F to -20°F Zone 5 -20°F to -10°F Zone 6 -10°F to 0°F Zone 7 -0°F to 10°F Zone 8 -10°F to 20°F Map courtesy Boise Matthews, GoAmericanWest.com Read more »