The new map is also based on information from thousands more weather stations, according to the USDA. It pulled data from 13,412 weather stations compared to 7,983 for the 2012 map, per the USDA'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 ...

The USDA Plant Hardiness Zone Map was recently updated after more than a decade. It confirms what anyone who’s planted seeds recently already knows.

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 first zone lies at the coldest and ...

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.

Gardeners aren't surprised as USDA updates key map Boggs notes you can toggle between the 2012 and 2023 maps on the USDA's website. "There are dramatic changes," he says.

The USDA published an update of a standard gardening tool, its Plant Hardiness Zone Map on Nov. 15. You probably missed this news, but it’s likely to affect the selection of plants offered at your ...

Last November, the USDA released the 2023 version of the map. Compared with earlier iterations, the most recent version incorporates data from significantly more weather stations and provides a more ...