Usda Plant Hardiness Map Zone 2024. 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. Scroll down to find the map you are interested in, or begin by clicking on a location in the map to access maps for.
Zones are based on the average annual minimum winter. The usda plant hardiness zone map is a guide that indicates the optimal range of survivability for perennial plants.