Sometimes called “growing zones” or “gardening zones,” hardiness zones refer to a map developed by the USDA that separates the United States into regions based on the average low winter temperatures.

The USDA’s winter hardiness zone map has long been the standard used by home gardeners, plant breeders and researchers to determine which plants are most likely to thrive in their location, based on ...

The U.S. Department of Agriculture’s new Plant Hardiness Zone Map confirms what gardeners have been noticing for years – our winters aren’t as cold as they used to be. USDA just released new ...

In the news recently, the U.S. Department of Agriculture revised its plant hardiness zone map for the first time in more than a decade. As always, this is a hot topic in horticultural circles. What is ...

With spring on the horizon, many gardeners are preparing for prolonged, hearty growing seasons in their region. The United States has a diverse ecological footprint, so growing seasons differ slightly ...

It’s taken more than a decade, but the US Department of Agriculture (USDA) has finally released an updated Plant Hardiness Zone Map that spans the nation and the territory of Puerto Rico in such ...

The U.S. Department of Agriculture recently released a new version of its Plant Hardiness Zone Map, updating this valuable tool for gardeners and researchers for the first time since 2012. USDA’s ...

Late last November, the United States Department of Agriculture (USDA) released an updated Plant Hardiness Zone map for the United States. Gardeners use this map to determine which plants and specific ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When shopping for plants, you might notice labels that specify ...

-- In the same week that the much anticipated Oscar nominations were released, the U.S. Department of Agriculture (USDA) made an equally anticipated announcement by releasing a revised version of the ...