Full Definition of DETACHMENT. 1. : the action or process of detaching: separation. 2. a: the dispatch of a body of troops or part of a fleet from the main body for a special mission or service b: the part so dispatched c: a permanently organized separate unit usually smaller than a platoon and of special composition.
Northern parts of Montana, North Dakota and Minnesota are in the coldest zone in the U.S., Zone 3. Colorado Springs is in Zone 5b. Black Forest is in Zone 5a. Teller County, like most of our mountain areas, is in Zone 4. But there are other important factors that affect our growing season. Some 40 years ago Sunset magazine developed zone maps which cover Colorado and 12 other Western states.
Colorado Springs is in Sunset's Zone 1, which is considered to be an area with the coldest winters. Their Web site is www.sunset.com/garden/climate-zones. The concept of a plant hardiness map was started at the Arnold Arboretum at Harvard University.The USDA and Harvard University developed the hardiness zones during the 1920s and '30s, and the hardiness zone maps were first published by the U.S. Department of Agriculture in 1960.he concept of a plant hardiness map was started at the Arnold Arboretum at Harvard University. The USDA and Harvard University developed the hardiness zones during the 1920s and '30s, and the hardiness zone maps were first published by the U.S. Department of Agriculture in 1960.