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Prunus americana, commonly called the American plum, [7] wild plum, or Marshall's large yellow sweet plum, is a species of Prunus native to North America from Saskatchewan and Idaho south to New Mexico and east to Québec, Maine and Florida. [8] Prunus americana has often been planted outside its native range and sometimes escapes cultivation. [9]
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]
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 ...
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.
Hopkins' bioclimatic law states that in North America east of the Rockies, a 130-m (400-foot) increase in elevation, a 4° change in latitude North (444.48 km), or a 10° change in longitude East (two-thirds of a time zone) will cause a biological event to occur four days later in the spring or four days earlier in the fall. [1]
Prunus mexicana, commonly known as the Mexican plum, [1] Inch plum, and Bigtree plum, [3] is a North American species of plum tree that can be found in the central United States and Northern Mexico. Description
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 January 2025. Edible fruit For other uses, see Plum (disambiguation). "Plumtree" redirects here. For the Canadian band, see Plumtree (band). For other uses, see Plumtree (disambiguation). African Rose plums (Japanese or Chinese plum). A plum is a fruit of some species in Prunus subg. Prunus. Dried ...
Prunus is a genus of flowering trees and shrubs from the family Rosaceae, which includes plums, cherries, peaches, nectarines, apricots and almonds (collectively stonefruit).The genus has a cosmopolitan distribution, [4] being native to the temperate regions of North America, the neotropics of South America, and temperate and tropical regions of Eurasia and Africa, [5] There are about 340 ...