Zones 1-6 are the coldest, and 7-13 the warmest. Zone 1 averages -60 degrees F while zone 13 never drops below 70 degrees F.

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Sometimes called “growing zones” or “gardening zones,” USDA plant hardiness zones refer ...

Triple digits are coming fast this year. Here's when Texas normally sees them. Texas has eight plant hardiness zones, ranging from the cold-hardy northwestern Panhandle to the warmer southern regions.

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 first zone lies at the coldest and ...