The USDA's new plant hardiness map for Wisconsin. Like half of the United States, much of eastern Dane County shifted zones to reflect higher average temperatures. For Madison and most of the eastern ...

There are lots of great places to go fishing in Wisconsin. Joseph Gerbyshak, who also works for the DNR, added that the Eau ...

Planting Zones Shift North The U.S. Department of Agriculture recognizes 13 plant hardiness zones based on a region’s coldest annual temperatures, averaged over a period of 30 years.

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.

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 USDA divides the United States into seven planting regions, known as hardiness zones, which were most recently updated in 2023. The maps below show these planting regions.

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In 2023, the USDA released an updated hardiness zone map in response to the impact of climate change. The updated map indicated a northward shift in the zones, reflecting the changing conditions.

The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. Jennifer Brennan from Chalet ...

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 ...

In 2023, the USDA released a map based on 30-year averages of the lowest annual winter temperatures at the specific locations, split into 10-degree and 5-degree zones, and integrates data from ...

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.