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According to the new map released in November 2023, about half of the United States has shifted to a new hardiness zone. That's really big news if you consider 80 million Americans use this map to ...
As of the most recent release, the November 2023 map has the US broken into 13 cold hardiness zones in 10-degree Fahrenheit intervals, with each zone further broken into “a” (the warmer half ...
The 2023 USDA plant hardiness zone map, which shows which areas of the country are suitable for growing plants and crops based on the lowest temperatures during the growing season.
In November 2023, the USDA released another updated version of their plant hardiness map, based on 1991–2020 weather data across the United States. The updated map shows continued northward movement of hardiness zones, reflecting a continued warming trend in the United States' climate.
Hardiness of plants is defined by their native extent's geographic location: longitude, latitude and elevation. These attributes are often simplified to a hardiness zone. In temperate latitudes, the term most often describes resistance to cold, or "cold-hardiness", and is generally measured by the lowest temperature a plant can withstand.
English: map of USDA plant hardiness zones across Europe Deutsch: Karte der USDA-Klimazonen in Europa Français : carte des zones de rusticité des plantes selon l'USDA en Europe
That compares to the fewer than 8,000 stations used for the 2012 map, according to the USDA. The new 2023 map also is divided into 10-degree Fahrenheit zones and further divided into 5-degree ...
USDA plant hardiness zone regional map - North Central US. The climate is humid continental, displaying both the cool summer and warm summer subtypes as one travels from north to south. [24] The United States Department of Agriculture has the region falling mainly in zone 5a, with the northern fringe being 4b. A few patches in Wisconsin are 4a.