Usda Plant Hardiness Zones Map 2024 Feestdagen. Just plug in your zip code on the usda plant hardiness zone map website and you'll find that region of the new map appear, color coordinated with the hardiness zone. The map is called the usda plant hardiness zone map you will also see it called phzm.
Zones are based on the average annual minimum winter. The new map—jointly developed by usda’s agricultural research.