Gardeners in Michigan know how problematic overnight frosts can be. While frosts are still possible, here is frost data for ...

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 ...

In the 2023 USDA Plant Hardiness Zone map, which was generated based on weather data gathered from 1991 to 2020, about half the United States moved into a warmer zone.