Usda Hardiness Zone Map 2024. The plant hardiness zones detailed in the new map define 13 distinct zones across the us and its territories. 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.
Released in november 2023, the updated map was developed by oregon state university’s prism climate group and the usda’s agricultural research service. 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.
