It hasn’t been done in over a decade, but the USDA has now updated what it calls the “plant hardiness” map for the first time since 2013. (That’s “hardiness” as in “hearty,” for if ...

Hardiness Zones 101 The USDA Plant Hardiness Zone Map consists of 13 individual zones that take in all of the contiguous United States, plus Alaska, Hawaii, and Puerto Rico. The first zone lies at ...

creating the first official USDA Plant Hardiness Zone Map. USDA Hardiness Zone Map (Contributed) Since its initial release, the USDA Plant Hardiness Zone Map has been updated several times to ...

For example: Maps generated by Climate Central show that as our climate has warmed due to heat-trapping carbon pollution, plant hardiness zones have shifted north toward higher latitudes and ...

Fort Collins is in USDA hardiness zone 5b, according to the U.S. Department of Agriculture map, so take note of that when choosing plants for year-round hardiness. That means established ...