Usda Plant Hardiness Zones Map 2024 Pdf. The usda hardiness zone map divides north america into 11 separate planting zones; Plant hardiness zones are geographical regions defined by their minimum growing temperatures to help gardeners determine which plants are most likely to thrive in their area.

And those changes could impact what thrives in your garden. The usda hardiness zone map divides north america into 11 separate planting zones;