Sometimes called “growing zones” or “gardening zones,” USDA plant hardiness zones refer to areas of a map developed by the ...

A hardiness zone is a geographic area with a similar average minimum temperature. The map is based ... when that kind of plant needs at least 40 degrees yearly. The USDA divides the United States ...

When planning your yard or garden, you likely focus on the what and the where. After all, a beautiful plant in a prime ...

The U.S. Department of Agriculture (USDA) has a Plant Hardiness Zone Map that divides the U.S. into 13 different zones, which helps gardeners choose plants that can survive in their respective ...