USDA Hardiness Zone Map

Hardiness zones show a geographically-defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone.

Hardiness zones were developed by the United States Department of Agriculture (USDA).

A hardiness zone search by Zip Code is available on the USDA Website.


Data From USDA Issued January 2012.