Usda Hardiness Zone Map 2024. Scroll down to find the map you are interested in, or begin by clicking on a location in the map to access maps for that area. The new map—jointly developed by usda’s agricultural research.

The new map—jointly developed by usda’s agricultural research service (ars) and oregon state university’s (osu) prism. These zones are delineated based on the average annual lowest minimum temperature.