Usda Hardiness Zone Map 2024 Pdf Download. This hardiness zone map has become the official map in north america. Usda zones are based on averages, not isolated events, and plants can be killed if the temperatures in the winter dip too low regardless of what the new map says.

Besides updated data, the map added zone 11 for the inclusion of mexico on the map, included canada,. Usda zones are based on averages, not isolated events, and plants can be killed if the temperatures in the winter dip too low regardless of what the new map says.