Wisconsin Planting Zones Usda Plant Hardiness Zone Map
The USDA Plant Hardiness Map for Wisconsin Gardeners in Wisconsin are used to the chilly winters and, as indicated by the Wisconsin USDA planting map above, the temperatures can dip as low as -35 degrees F. (-37 C.). To find your zone on the new 2012 USDA plant hardiness map, click on the map to enlarge it. If you cannot find your areas easily, you can go to the USDA home page where you will find a box to input your zip code....