Where can you find a USDA zone map by ZIP code?

The United States Department of Agriculture maintains a map and index of Plant Hardiness Zones at planthardiness.ars.usda.gov. The map offers several interactive features, and some sub-maps can be downloaded and printed.

Entering a ZIP code in the provided text box and then clicking the Find icon retrieves the ZIP code's zone classification under the text box. Users who would rather see a visual map of a state may either click on the state in the provided countrywide map to the right of the page or select the state on the View Your State Map section provided directly above the map.