Planting Zones Usa 2024 Usa. Department of agriculture shows the agency’s new plant hardiness zone map updated on wednesday, nov. Click to access the usda interactive map.
The plant hardiness zones detailed in the new map define 13 distinct zones across the us and its territories. Simply put, the types of plants that are able to grow successfully has changed for 50 percent of the country, according to data collected by over 13,000 weather stations across the u.s.