One of the major changes in this year’s edition of the hardiness map is the zone boundaries. The USDA states that the new zones are generally about one-quarter-zone warmer than reported in 2012 ...

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 USDA Plant Hardiness Zone Map represents 30-year averages of what are essentially extreme weather events (the coldest temperature of the year), changes in zones are not reliable evidence of ...

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 has a Plant Hardiness Zone Map. For the first time since 2012, the USDA announced an update to this valuable resource — and the differences are ...

which produced the hardiness zone map along with the USDA’s Agricultural Research Service. “I would not go out and buy a bunch of new plants.” Furthermore, the termperature ranges in the ...