"Plant hardiness zones are a way to measure and understand ... most have not been widely adopted. Speaking of that new map, ...

Furthermore, the new map’s rendering for Alaska is now at a much more detailed resolution (down from a 6 ¼ -square-mile area of detail to a ¼ square mile). "These updates reflect our ongoing ...

You can grow Southern magnolia in Pennsylvania and kiwis in Oklahoma, but you wouldn't know that from the USDA's old hardiness zone map that gardeners use to plan their plantings, as USA Today details ...

As most in the horticulture industry have heard, the USDA released an updated plant hardiness zone map just over a year ago ... In many cases, this half zone shift brings regions to an entirely new ...

The U.S. Department of Agriculture (USDA) creates and maintains the hardiness zone map. These maps can be incredibly helpful when planning a perennial garden, especially if you are new to an area ...