Sometimes called “growing zones” or “gardening zones,” hardiness zones refer to a map developed by the USDA that separates the United States into regions based on the average low winter temperatures.

A new version of the 'Plant Hardiness' map has been released by the U.S. Department of Agriculture. It enables users to view the average minimum temperatures for separate latitudinal zones -- a useful ...

Whenever you purchase a new perennial plant, shrub, tree, or even seeds, you've probably noticed information about hardiness zones on the plant tag or description. But what does it mean? "Plant ...

The USDA cautions against using the plant hardiness zones, which are based on 30-year averages, as indicators for climate change. But gardeners say the maps reflect one of the ways they’re ...

BURLINGTON, Conn. (WFSB) - USDA plant hardiness zones categorize areas based on their average minimum winter temperatures. But with our warming climate many parts of our state have moved to higher ...

Plants covered with frost blankets at the Ritz Carlton Hotel on Amelia Island for this past weekend's freeze which sits in zone 9b representing expected minimum temperatures between 25 to 30 °F.

Gardeners should always look at their growing climate before choosing plants for their landscapes. The USDA Plant Hardiness Zone Map is the standard by which gardeners can determine which plants are ...

The United States Department of Agriculture released an updated version of last year's Plant Hardiness Map to offer a guide for gardeners to understand which plants can survive and thrive based on the ...

Gemma is an experienced freelance writer who has spent the last five years focusing on expert-driven content relating to homes and gardens. She has contributed to several lifestyle publications ...

The United States Department of Agriculture (USDA) released a new version of its Plant Hardiness Zone map, the first update since 2012. This new map is a tool used to help gardeners and growers ...