New Hardiness Zone Map 2024. The usda hardiness zone map has been updated to reflect temperature data collected over the last 30 years. The new 2023 map represents a few notable changes from the previous versions:
In november 2023, the united states department of agriculture (usda) released a new version of its plant hardiness zone map, updating this valuable tool for gardeners for the. Usdaโs plant hardiness zone map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.