Heat domes, atmospheric rivers, bomb cyclones, and polar vortex—you’re not crazy, the weather is. And last week, the USDA confirmed it by releasing an updated climate zone map for 2023. For ...

The map reflects the “average lowest winter temperature” over a 30-year period at specific locations in each of the zones, according to the USDA. Overall, that average for the country was 2.5 ...

Map developers from USDA and Oregon State University, updated the plant hardiness zoning for half of the country based on 30 years of climate data. ... Arizona spans across zones 5 through 10.

The U.S. Department of Agriculture's latest Plant Hardiness Zone Map shows Iowa is warming up, at least a little bit. Updated in November for the first time since 2012, the map, a standard guide ...

Arizona spans across zones 5 through 10. The new map, created by USDA's Agricultural Research Service and Oregon State University, is based on 30 years of data from 13,412 weather stations, almost ...

Each full zone is also divided into half zones. The USDA draws the map using a color-coded key for easier reference. Though it was last updated in 2012, ...

Compared to the 2012 map, the 2023 version shows that roughly half of the country shifted to the next warmer half zone, and the other half of U.S. remained in the same half zone.. According to the ...

The 2012 map — which has 13 10-degree Fahrenheit zones subdivided into “A” and 13 “B” zones marked by 5-degree changes — shows that hardiness zones in many places in the country are ...

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 ...

Each full zone is also divided into half zones. The USDA draws the map using a color-coded key for easier reference. Though it was last updated in 2012, ...

Arizona spans across zones 5 through 10. The new map, created by USDA's Agricultural Research Service and Oregon State University, is based on 30 years of data from 13,412 weather stations, almost ...

The map and its zone system are designed to help gardeners and farmers understand a plant’s ability to survive the winter and thrive where they live. 1 weather alerts 1 closings/delays.