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.

The USDA updated its map of plant hardiness zones for the first time in over a decade. The new map shows that half the country has shifted to warmer zones. The updated zones could allow gardeners to ...

Heat domes, atmospheric rivers, bomb cyclones, and polar vortex—you’re not crazy, the weather is. And last week, the USDA confirmed it by releasing an updated climate zone map for 2023. And for many ...

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 ...

The U.S. Department of Agriculture unveiled its long-awaited update of its 1990 U.S. Plant Hardiness Zone Map Thursday at the National Arboretum in Washington. The map, which was revised to reflect ...

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. USDA’s ...

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 ...

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. What is ...

Knowing the precise time to get annual plants into the ground and whether or not a perennial will grow in a given location is often buried in local community lore, but the US Department of Agriculture ...

The Department of Agriculture updated its searchable map of the country that shows how much average low temperatures have changed during the last 30 years, and half the country's lows were higher by 5 ...

Colorado gardeners eyeing the U.S. Department of Agriculture’s updated Plant Hardiness Zone Map, which moves much of the state in a warmer growing zone, should hold their horses — or trowels — before ...

Despite the development of a new plant hardiness map that puts Billings in a warmer climatic zone, local arborists Wednesday remained skeptical and cautioned against a rush to plant new trees or ...