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.
Suggested hardiness zones have been indicated for all trees and perennials available online from the Foundation. If a range of zones, for example, zones 4-9, is indicated, the tree or perennial is known to be hardy in zones 4, 5, 6, 7, 8, and 9. Suitable hardiness means a plant can be expected to grow in the zone's temperature extremes, as determined by the lowest average annual temperature.