Usda Cold Hardiness Zone Map. But state, regional, and national images of the map can be downloaded and printed in a variety of sizes and resolutions. Considered the standard measure of plant hardiness, the USDA Plant Hardiness Zone Map is based on average annual.
USDA hardiness zones are rough guides only. The USDA Hardiness Zone Map can help you zero in on the perennials, trees, and shrubs that can tolerate your region's climate. This map was developed by the United States Department of Agriculture to help consumers best determine which horticultural species will perform best in their particular geographic region.
If The purpose of these hardiness zones is to identify how well plants will withstand the cold winter Keep in mind, however, that this Hardiness map is mostly a guideline as it does not factor in the.
What do the Hardiness Zones mean?
Exactly which USDA hardiness zone are you in? No posters of the USDA Plant Hardiness Zone Map have been printed. Known as a generally mild climate.