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 ...

Venture to the USDA Plant Hardiness Zone Map, available on the United States Department of Agriculture website, and type in your zip code. From there, you'll receive your plant hardiness zone ...

Another Illinois winter comes closer to a close, depending on which region of the state you live in. Cold and snowy days may ...