Zones don’t change often—the map was last updated in 201—but when it does change, as it just did, it can upend what you know about your garden. How do I find my new hardiness zone?

As of the most recent release, the November 2023 map has the US broken into 13 cold hardiness zones in 10-degree Fahrenheit intervals, with each zone further broken into “a” (the warmer half ...

The United States Department of Agriculture (USDA) is responsible for creating a plant hardiness zone map. This tool divides the country into 13 color-coded areas based on their average extreme ...

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.

The United States Department of Agriculture (USDA) has released a new Plant Hardiness Zone Map (PHZM), the first update since 2012. The new map shows that most of the country, including New York ...

About half of the country moved into a slightly warmer zone in the Agriculture Department’s new “plant hardiness” map, an important guide for gardeners. Climate change may be a factor.

The USDA Plant Hardiness Zone Map divides North America into zones ranging from 1 (coldest) to 13 (warmest). Each zone ...

The United States Department of Agriculture (USDA) has released a new Plant Hardiness Zone Map (PHZM), the first update since 2012. The new map shows that most of the country, including New York ...

The plant hardiness map contains 13 zones, representing 10-degree-F ranges. Each zone is further subdivided into two half zones, a and b, representing 5-degree ranges. Zone 1 starts in Alaska, and ...

So use the zone map as a baseline to assess plant hardiness, not as a bible. And one more thing (or two) We are now firmly in winter season, and thus far, December has proved to be slightly warmer ...

Since the last map was released in 2012, all of Wisconsin's hardiness zones have shifted about half a zone warmer, said Laura Jull, associate professor in the plant and agrosystem sciences ...