Usda Plant Hardiness Zone Map 2024 Usa. The new map—jointly developed by usda's agricultural research service (ars) and oregon. 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.
The usda plant hardiness zone map just changed for the first time in over 10 years. The usda plant hardiness zone map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location.