Us Hardiness Zone Map 2025 Usa. Department of agriculture, the revamped plant. 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.
Here is how you can use the new usda zone map for your garden and how to know, if in the new version, your hardiness zone has changed. Understanding and using this map allows a gardener to select flowers, shrubs and trees that can survive winters in their specific region.