The USDA divides the United States into seven planting regions, known as hardiness zones, which were most recently updated in 2023. The maps below show these planting regions. Need a break?

Scientists also incorporate the plant hardiness zones into research on exotic weeds ... “Anytime you see a detailed map showing percentage of average or deviation from average, most likely ...

It's called the U.S. Department of Agriculture's "plant hardiness zone map," and it's the national ... the updated USDA map showing a warming region is validating, if not comforting.

Some of the urban heat-island effects are also captured in the map, showing lower ... 5 degrees warmer. Zones are commonly used by many agricultural producers, nurseries, plant suppliers and ...

Maps that show heat and summertime low temperatures ... and scientists incorporate the plant hardiness zones into research models, such as those looking at the spread of exotic weeds and insects.

National temperature data show warmer zones shifting northward ... Check out Alaska, man! USDA Plant Hardiness Zone Map 1990. Courtesy USDA Despite the obvious warming pattern, USDA mapmakers ...

It included a map of eight hardiness zones ... in a finer scale and higher resolution — meaning it could show much more zone detail. The map also was based on 30 years of data, a much larger ...

The change in hardiness zones means ... the new hardiness maps were developed with help from Oregon State University's PRISM Climate Group. Still, there's plenty of evidence to show man's pumping ...

New hardiness zones mean gardeners and growers ... Again, when you look at the two maps, it's a dramatic shift, showing what we know has been happening for quite some time — that the southern ...

The U.S. Department of Agriculture (USDA) has a Plant Hardiness Zone Map that divides the U.S. into ... often include the USDA's hardiness zones to show where that plant ideally grows.