Usda Hardiness Zone Map 2024. Gardeners and growers rely on the usda. 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.
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. New usda hardiness zone map for illinois “the magnitude of change in the new maps really surprised me since it just reflects the last 30 years,” says illinois state.