The plant hardiness map is divided into a total of 13 zones, each zone representing a 10-degrees-Fahrenheit range of temperatures.Each zone is further divided into two half zones, with each of ...

The U.S. Department of Agriculture recently released a new version of its Plant Hardiness Zone Map, updating this valuable tool for gardeners and researchers for the first time since 2012.

The United States Department of Agriculture (USDA) recently released its updated Plant Hardiness Zone Map. The USDA Plant Hardiness Zone Map uses weather data to map average annual extreme minimum ...

AUBURN UNIVERSITY—For the first time in more than a decade, the United States Department of Agriculture released new hardiness zone maps. These new changes bring a new level of climate accuracy ...

If you have ever tested your green thumb, you've probably taken at least a quick look at the U.S. Department of Agriculture's USDA plant hardiness zone map. The color-coded map, which covers the ...

In the news recently, the U.S. Department of Agriculture revised its plant hardiness zone map for the first time in more than a decade. As always, this is a hot topic in horticultural circles.

The USDA’s new Plant Hardiness Zone Map shows temperatures about 2.5 degrees higher in the United States than the previous version released in 2012. The map is used to determine what plants will ...

In November, the U.S. Department of Agriculture released a new version of its Plant Hardiness Zone Map, which essentially provides a guide for gardeners and growers about which perennial plants ...