Map developers from USDA and Oregon State University, ... Arizona spans across zones 5 through 10. The new map, created by USDA's Agricultural Research Service and Oregon State University, ...

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.

The Plant Hardiness Zone Map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones ranging from zone 1 (coldest) to zone 13 (warmest), the USDA notes ...

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 ...

Check out the USDA hardiness zones, ... and the above map can help you zero in on your area. Zone 6 States. State: Zone 6a or ...

The USDA Plant Hardiness Zone Map uses weather data to map average annual extreme minimum temperatures (winter lows) over a recent 20-year period. The most recent release covers weather data from 1991 ...

In 2023, the USDA released a map based on 30-year averages of the lowest annual winter temperatures at the specific locations, split into 10-degree and 5-degree zones, and integrates data from ...

For the first time since 2012, a new Plant Hardiness Zone Map has been released by the U.S. Department of Agriculture. The map, released Nov. 15, 2023, is a tool used by gardeners and growers ...