Usda Hardiness Zones Map 2024. That's really big news if you consider 80 million. The usda plant hardiness zone map helps gardeners and growers determine which plants are most likely to thrive in their region.

The usda hardiness zone map has been updated to reflect temperature data collected over the last 30 years. Released in november 2023, the updated map was developed by oregon state university’s prism climate group and the usda’s agricultural research service.