The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location.| planthardiness.ars.usda.gov
This page allows you to find and download state, regional, and national Plant Hardiness Zone Maps at various resolutions. Click on the map below to download state/territory maps or scroll down to find regional and national maps for download. Poster-sized print quality national maps and simplified map components are also available below.| planthardiness.ars.usda.gov