The United States Department of Agriculture (USDA) recently released its updated Plant Hardiness Zone Map. The USDA Plant Hardiness Zone Map uses weather data to map average annual extreme minimum ...

The United States Department of Agriculture (USDA) released a new version of its Plant Hardiness Zone map, the first update since 2012. This new map is a tool used to help gardeners and growers ...

The United States Department of Agriculture released an updated version of last year's Plant Hardiness Map to offer a guide for gardeners to understand which plants can survive and thrive based on the ...

Freezing weather may make it hard to believe, but many Chicago-area gardeners — and their plants — are now living in a slightly warmer world, according to a new version of the USDA’s plant hardiness ...