What is the hottest hardiness zone?
What is the hottest hardiness zone? The warmest zone in the 48 contiguous states is the Florida Keys (11b) and the coldest is in north-central Minnesota (2b). A couple of locations on the northern coast of Puerto Rico have the warmest hardiness zone in the United States at 13b. USDA Hardiness Zone 2 is one […]
What is the hottest hardiness zone? Read Post »