Plant Hardiness Zone Map 2025. Down to the street you live on, the 2025 usda hardiness zone map shares — in detail — what climate conditions plants need to thrive at a given location. The usda recently released a new plant hardiness zone map, and although you may have used the interactive map in the past, it got its first full revamp in over a decade.
The new map—jointly developed by usda’s agricultural research service (ars) and oregon state university’s (osu) prism climate group—is more accurate and contains greater detail than. The map is based on the average lowest winter temperature of each region of the united states and its territories.
