2024 Usda Plant Zone Map. Based on the 1990 usda hardiness zone map, this interactive version covers the state of pennsylvania which ranges from usda zone 4b to usda zone 7a. Over time they have changed a bit as temperatures have gotten.
Learn all about the new map and how to find what zone you’re in to help you choose the right plants. Usda hardiness zone 2024 leigh mireille, usdaโs plant hardiness zone map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a.