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 ...

The USDA is updating an important map for gardeners and growers picking plants and flowers. The new map shows the contiguous U.S. is about 2.5 degrees Fahrenheit warmer than the last map 11 years ago.

The 2012 USDA Plant Hardiness Zone Map (PHZM) allows gardeners and growers to assess which plants are most likely to thrive at any given location, as well as view warming trends across various U.S ...

According to the USDA, the map is also based on 30-year averages of the lowest annual winter temperatures at the specific locations, and split into 10-degree and 5-degree zones and integrates data ...

2023 USDA Plant Hardiness Zone Map (Courtesy USDA) Most urgently, the 2023 PHZM reveals that Alaska is “warmer” when compared to the 2012 map, a USDA press release stated.

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 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 ...

On the revised 2023 map, about half of Ohio is in Zone 6b, where the average low temperature range is -5 to 0 degrees Fahrenheit. The other half of Ohio is now in Zone 6a, where the average low ...