Usda Grow Zones 2024 List. This page allows you to find and download state, regional, and national plant hardiness zone maps at various resolutions. These zones are delineated based on the average annual lowest minimum temperature.
Simply type in your zip code to determine your cold hardiness zone. Usda’s plant hardiness zone map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.