Usda Hardiness Zone Map 2024. According to the new map released in november 2023, about half of the united states has shifted to a new hardiness zone. The plant hardiness zone map was updated for the 2024 gardening season with the addition of thousands more local weather stations.
Will the new map change what gardeners should plant this spring? The brightly colored map, which can be found on the back of many seed packets, is.