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 ...
A hardiness zone is a geographic area with a similar average minimum temperature. The map is based ... when that kind of plant needs at least 40 degrees yearly. The USDA divides the United States ...
Recommended Varieties: Lance-leaf coreopsis (Coreopsis lanceolata) is an easy-to-grow variety that’s native to most of the ...