The updated map still consists of 13 zones, but now offers more detailed information on temperature ranges within each zone, including 10-degree zones and 5-degree half zones.

Plant hardiness zones in Wisconsin range from 6a, which denotes an average minimum temperature of -5 to -10 degrees, to 3b, which is an average minimum of -30 to -35 degrees.

"The 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is based on the average annual ...

The USDA Plant Hardiness Zone Map divides North America into 13 zones based on the average annual minimum winter temperature. In 2023, the USDA released an updated hardiness zone map in response ...

The United States Department of Agriculture (USDA) is responsible for creating a plant hardiness zone map. This tool divides the country into 13 color-coded areas based on their average extreme ...

For the first time since 2012, the USDA, in conjunction with Oregon State University’s PRISM Climate group, has released an updated Plant Hardiness Zone map.

In 2023, the United States Department of Agriculture (USDA) updated its Plant Hardiness Zone Map (PHZM) for the first time in 10 years. The new Map draws on more than 30 years of data, utilizing ...

The plant hardiness zone map, according to a release from Purdue University Extension, uses weather data to map average annual extreme winter lows over a recent 20-year period. The most recent ...

The Plant Hardiness Zone Map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones ranging from zone 1 (coldest) to zone 13 (warmest), the USDA notes.

The U.S. Department of Agriculture's plant hardiness zone maps are used to determine which perennial plants will grow ... The USDA changed gardening zones at the end of 2023, and Michigan got a ...

The first day of spring will be here before you know it! And for green thumbs, that means planning and starting your seasonal garden. But before you buy your seeds, there's some very important ...