A map relied upon by many of America's 80 million gardeners and growers just got its first update in more than a decade. The U.S. Department of Agriculture's Plant Hardiness Zone Map shows warmer ...

Michigan is home to seven of the 26 half zones, starting as low as minus 30 to minus 25 degrees and topping out at 0 to 5 degrees. Below is a map by zip code of the plant hardiness zones in Michigan.

The U.S. Department of Agriculture's plant hardiness zone maps are used to determine which perennial plants will grow ... The USDA changed gardening zones at the end of 2023, and Michigan got a ...

The USDA 2012 Plant Hardiness Zone Map. USDA The USDA Plant Hardiness Zone Map divides the United States and Canada into 13 zones, based on the average annual minimum winter temperature.

Hardiness Zones 101. The USDA Plant Hardiness Zone Map consists of 13 individual zones that take in all of the contiguous United States, plus Alaska, Hawaii, and Puerto Rico.

The map splits the U.S. into several "zones," from places where the average minimum temperature reaches a bone-chilling -35 degrees Fahrenheit to places where it's a balmy 65.