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 map of the US is divided into zones, separated by ten degrees. It starts with 1a (Alaska) and goes all the way up to 13b (Puerto Rico), and the mainland U.S. tends to live between zones 5 and 10.

Overall, the 2023 map is generally about one quarter-zone warmer than reported in the 2012 map throughout much of the United States, as a result of a more recent averaging period (1976-2005 vs ...

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 twice as many as the old map.

Late last November, the United States Department of Agriculture (USDA) released an updated Plant Hardiness Zone map for the United States. Gardeners use this map to determine which plants and ...

The USDA divides the United States into seven planting regions, known as hardiness zones, which were most recently updated in 2023.The maps below show these planting regions.

In this article, we will discuss the leading US regions in agricultural output and their key crops. You can skip our overview of the US agriculture sector and head straight to 5 Most Productive ...

CERES – Farmers in Stanislaus County expressed concern over industrial operations happening in agricultural zones. They are worried about environmental hazards from the potential dumping and ...