However, average minimum temperatures vary widely from south to north Wisconsin, meaning plants that may do well in Milwaukee ...
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 USDA Plant Hardiness Zone Map for the North Central region of the United States Wisconsin is part of North Central planting region of the U.S., according to USDA. However, average minimum ...
The USDA bases its plant zone maps on average minimum temperature ... not be as suited to cities like Superior. Plant hardiness zones in Wisconsin range from 6a, which denotes an average minimum ...