2012 Wisconsin USDA Plant Hardiness Zone Map

Historical Map — 2012 USDA Data: For current planting zone information view the 2023 Wisconsin USDA Hardiness Zone Map .

The 2012 USDA Plant Hardiness Zone Map for Wisconsin was released in November 2012 and incorporated climate data from 1976 to 2005 — the first major revision since the 1990 map. Use the table below to compare 2012 zones to the current 2023 zones.

Map Cities Related Source

2012 Wisconsin Hardiness Zone Map

Click on the map for zone information. Use the legend icon (lower right) to view the color key. Use the layers control (upper right) to toggle county boundaries and state border.

List of 2012 Hardiness Zones for Locations in Wisconsin

Location2012 Hardiness Zone1990 Zone2023 Zone
Appleton5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Ashwaubenon5a — -20°F to -15°F4b — -25°F to -20°F5b — -15°F to -10°F
Beaver Dam5a — -20°F to -15°F5a — -20°F to -15°F5a — -20°F to -15°F
Bellevue5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Beloit5b — -15°F to -10°F5a — -20°F to -15°F5b — -15°F to -10°F
Brookfield5b — -15°F to -10°F5b — -15°F to -10°F5b — -15°F to -10°F
Caledonia5b — -15°F to -10°F5b — -15°F to -10°F5b — -15°F to -10°F
Cudahy5b — -15°F to -10°F5b — -15°F to -10°F6a — -10°F to -5°F
De Pere5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Eau Claire4b — -25°F to -20°F4a — -30°F to -25°F4b — -25°F to -20°F
Fitchburg5a — -20°F to -15°F4b — -25°F to -20°F5b — -15°F to -10°F
Fond du Lac5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Fox Crossing5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Franklin5b — -15°F to -10°F5b — -15°F to -10°F5b — -15°F to -10°F
Genesee5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Germantown5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Green Bay5a — -20°F to -15°F4b — -25°F to -20°F5b — -15°F to -10°F
Greenfield5b — -15°F to -10°F5b — -15°F to -10°F5b — -15°F to -10°F
Greenville5a — -20°F to -15°F4b — -25°F to -20°F5b — -15°F to -10°F
Hartford5a — -20°F to -15°F4b — -25°F to -20°F5a — -20°F to -15°F
Howard5a — -20°F to -15°F4b — -25°F to -20°F5b — -15°F to -10°F
Janesville5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Kaukauna5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Kenosha5b — -15°F to -10°F5a — -20°F to -15°F6a — -10°F to -5°F
La Crosse4b — -25°F to -20°F4b — -25°F to -20°F5a — -20°F to -15°F
Little Suamico5a — -20°F to -15°F4b — -25°F to -20°F5b — -15°F to -10°F
Madison5a — -20°F to -15°F5a — -20°F to -15°F5a — -20°F to -15°F
Manitowoc5b — -15°F to -10°F5a — -20°F to -15°F5b — -15°F to -10°F
Marshfield4b — -25°F to -20°F4a — -30°F to -25°F4b — -25°F to -20°F
Menasha5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Menomonee Falls5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Middleton5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Milwaukee5b — -15°F to -10°F5b — -15°F to -10°F6a — -10°F to -5°F
Mount Pleasant5b — -15°F to -10°F5a — -20°F to -15°F5b — -15°F to -10°F
Muskego5b — -15°F to -10°F5a — -20°F to -15°F5b — -15°F to -10°F
Neenah5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
New Berlin5b — -15°F to -10°F5b — -15°F to -10°F5b — -15°F to -10°F
Oak Creek5b — -15°F to -10°F5b — -15°F to -10°F6a — -10°F to -5°F
Oconomowoc5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Onalaska4b — -25°F to -20°F4b — -25°F to -20°F5a — -20°F to -15°F
Oshkosh5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Pleasant Prairie5b — -15°F to -10°F5a — -20°F to -15°F5b — -15°F to -10°F
Racine5b — -15°F to -10°F5b — -15°F to -10°F6a — -10°F to -5°F
River Falls4b — -25°F to -20°F4a — -30°F to -25°F4b — -25°F to -20°F
Sheboygan5b — -15°F to -10°F5b — -15°F to -10°F6a — -10°F to -5°F
South Milwaukee5b — -15°F to -10°F5b — -15°F to -10°F6a — -10°F to -5°F
Stevens Point4b — -25°F to -20°F4b — -25°F to -20°F5a — -20°F to -15°F
Sun Prairie5a — -20°F to -15°F4b — -25°F to -20°F5a — -20°F to -15°F
Superior4b — -25°F to -20°F4b — -25°F to -20°F5a — -20°F to -15°F
Vernon5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Watertown5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Waukesha5b — -15°F to -10°F5a — -20°F to -15°F5b — -15°F to -10°F
Wausau4b — -25°F to -20°F4a — -30°F to -25°F5a — -20°F to -15°F
Wauwatosa5b — -15°F to -10°F5b — -15°F to -10°F6a — -10°F to -5°F
West Allis5b — -15°F to -10°F5b — -15°F to -10°F5b — -15°F to -10°F
West Bend5a — -20°F to -15°F5a — -20°F to -15°F5b — -15°F to -10°F
Weston4b — -25°F to -20°F4a — -30°F to -25°F5a — -20°F to -15°F
Wisconsin Rapids4b — -25°F to -20°F4a — -30°F to -25°F4b — -25°F to -20°F

2012 Hardiness Zone Maps for Neighboring States

Data Source & Methodology

The 2012 USDA Plant Hardiness Zone Map was released in November 2012 by the U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS). It was the first major revision to the USDA map since 1990 and was developed in cooperation with Oregon State University’s PRISM Climate Group using more weather stations and finer-resolution data.

  • Publisher: USDA Agricultural Research Service (ARS)
  • Year Published: November 2012
  • Climate Data Period: 1976–2005
  • Zone Basis: Average annual extreme minimum winter temperature
  • Development Partner: Oregon State University PRISM Climate Group
  • Number of Zones: 13 zones (1–13), each divided into a and b half-zones

Official source: USDA Plant Hardiness Zone Map — planthardiness.ars.usda.gov

This interactive map presentation is provided by PlantMaps. The underlying hardiness zone boundary data is sourced from the USDA Agricultural Research Service. Zone assignments for individual cities and towns are derived from PlantMaps climate data.

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