Usda Hardiness Zones Interactive Map

It also includes national, state and regional images in a variety of resolutions, and a zip code finder that provides the plant hardiness zone for all u.s. This will show you an interactive map that you can use to get more information about what your zone is and what kind of temperatures it gets. If you see a hardiness zone in a gardening catalog or plant description, chances are it refers to this usda map.

As shown, the usda uses a gis dataset averaged over 1976 to 2005 for its united states maps. These are annual extreme minima (an area is assigned to a zone by taking the lowest temperature recorded there in a given year). Each growing zone is 10°f warmer (or colder) in an average winter than the adjacent zone.

The usda plant hardiness zone map divides the united states and canada into 13 zones, based on the average annual minimum winter temperature.

Usda plant hardiness zone map the usda hardiness zone map divides north america into 11 separate planting zones; Hardiness zone temperature scale used to define usda hardiness zones. The usda hardiness zone map divides north america into 11 separate planting zones; Global plant hardiness zones (approximate)