Learn More › Sometimes called “growing zones” or “gardening zones,” USDA plant hardiness zones refer to areas of a map developed ... Farmer’s Almanac by ZIP code.

plant hardiness zones have shifted north toward higher latitudes and elevations. As minimum temperatures warm and a location's planting zone increases (e.g., from Zone 5 to Zone 6), certain ...

In 2023, the USDA updated its Plant Hardiness Zone Map, a crucial tool for gardeners selecting plants. Each zone on the map is defined by average annual minimum temperatures. A zone represents 10 ...