Each zone also has half-zones, with 5 degrees of difference. Arizona spans across zones 5 through 10. The new map, created by USDA's Agricultural Research Service and Oregon State University ...

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 ...

The USDA loans are one of the least-known assistance programs in the United States. They are mortgages backed by the US Department of Agriculture as part of its Rural Development Guaranteed ...