Usda Hardiness Zone Map 2025 Map. This page allows you to find and download state, regional, and national plant hardiness zone maps at various resolutions. With its higher resolution and more accurate zonal information, the new usda plant hardiness zone map (phzm) can be helpful as you plan your garden or landscape.

Even if you’ve gardened for years, the newly refined usda hardiness zone map might surprise you. 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.