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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 ...
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.
1990 USDA Hardiness zone map detail for the northeast US. Zone 3a is light orange, zone 4b is light lavender. The area is a temperate broadleaf and mixed forests biome transition zone between the true boreal forest to the north and the Big Woods and Carolinian forest to the south, with characteristics of each.
For practical purposes, Canada has adopted the American hardiness zone classification system. The 1990 version of the USDA Plant Hardiness Zone Map included Canada and Mexico, but they were removed with the 2012 update to focus on the United States and Puerto Rico. [8] The Canadian government publishes both Canadian and USDA-style zone maps. [37]
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.
For example, Seattle, Washington, and the city of Austin, Texas, are both in the USDA hardiness zone 9a because the map is a measure of the coldest temperature a plant can handle.
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 ...
Minnesota ecoregions map prepared in 2007 by the United States Environmental Protection Agency. The list of ecoregions in Minnesota provides an overview to the ecoregions (see also, ecosystem) in the U.S. state of Minnesota, [1] as defined separately by the Environmental Protection Agency/Commission for Environmental Cooperation, the Minnesota Department of Natural Resources, and the World ...