A hardiness zone is a geographic area with a similar average minimum temperature. The map is based on the average annual extreme minimum temperature, so people in those areas know which plants can ...

The map is based on the 30-year average of the lowest annual winter temperatures for specific places. It is divided into 13 zones, each reflecting a 10-degree temperature range, and each zone is ...

As plant hardiness zones shift from climate change, gardeners must rethink their choices. Discover what these changes mean ...

The USDA Plant Hardiness Zone Map helps home gardeners pick which plants to grow. But recently, roughly a quarter of the country has moved zones. What does this mean for your backyard plants?

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 ...

The map is based on 30-year averages of the coldest winter temperatures at specific locations, and divides the continental U.S. and Canada into 10 zones, which are further divided into half-zones ...

Pine Hollow Arboretum’s founder, John W. Abbuhl, began planting trees around his Albany, N.Y., home in the 1960s. He planted ...

Zones don’t change often—the map was last updated in 201—but when it does change, as it just did, it can upend what you know about your garden. It used to be easier to find your hardiness ...

The U.S. Department of Agriculture published a new version of its well-known Plant Hardiness Zone map earlier this month, an online tool that classifies growing regions based on extremely cold ...

Tim Kohlhauff remembers the days when his hometown of Spokane, Washington was in zone 5b on the Plant Hardiness Zone Map. When he was growing up, daisies, rhododendrons, and azaleas were always ...

The U.S. Department of Agriculture’s new Plant Hardiness Zone Map confirms what gardeners have been noticing for years – our winters aren’t as cold as they used to be. USDA just released new ...

For the first time since 2012, a new Plant Hardiness Zone Map has been released by the U.S. Department of Agriculture. The map, released Nov. 15, 2023, is a tool used by gardeners and growers ...