The USDA divides the United States into seven planting regions, known as hardiness zones, which were most recently updated in 2023. The maps below show these planting regions. Trouble seeing the map?

The importance of hardiness zones lies in their ability to help gardeners and farmers choose plants that will thrive in their ...

the 2023 map was updated to incorporate data from 13,412 weather stations, compared with the 7,983 stations that were used for the 2012 edition. In the 2023 USDA Plant Hardiness Zone map ...

Trees near the southern edge of their geographic ranges — what scientists refer to as “plant hardiness zones” — will ... forestry service. Loading map data... Unlike most plants, trees ...