Douglas fir - Wikipedia
The Douglas fir (Pseudotsuga menziesii) [4] is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir, [5] Douglas spruce, [6] Oregon pine, [7] and Columbian pine. [8]
Douglas fir | Description, Uses, & Species | Britannica
2024年11月26日 · Douglas fir, genus of about six species of evergreen trees of the conifer family Pinaceae, native to western North America and eastern Asia. They are important timber trees and produce strong wood. Several are grown as ornamentals and are common Christmas trees in …
How to Grow and Care for Douglas Fir (Complete Guide)
2023年9月28日 · Douglas fir, scientifically known as Pseudotsuga menziesii, is a popular evergreen tree native to western North America. From Central British Columbia on Vancouver Island, throughout the Rocky Mountains to central California, Arizona and Mexico, this coniferous tree thrives in various climates.
Douglas Fir: Key Facts - Forest Wildlife
The Douglas fir tree is a large, long-lived evergreen found in western North America and eastern Asia. There are six subspecies, but the trees can be broadly grouped into coastal Douglas firs and interior Douglas firs.
Douglas Fir, Pseudotsuga menziesii - Native Plants PNW
Douglas Fir is a primary component of moist forests in the Western Hemlock ecological zone. Infrequent, widespread, stand-replacing fires, (usually caused by lightening strikes) naturally occur at perhaps 400- to 500-year intervals.
Douglas Fir - National Wildlife Federation
Douglas firs are evergreen trees, meaning they keep their needle-like leaves year-round. There are two varieties of this species, coast Douglas fir and Rocky Mountain Douglas fir, which are differentiated by their habitats, growth rates, and physical characteristics.
Identifying the Douglas Fir Tree - Treehugger
2022年2月15日 · Douglas fir (Pseudotsuga menziesii) is an evergreen coniferous tree in the Pinaceae family. It is native to coastal areas in western North America and to British Columbia. A non-flowering...
Washington tree spotlight: The Douglas fir
2024年12月5日 · Growing up to three hundred feet tall, the Douglas fir (pseudotsuga menziesii) is a central figure in the lush, evergreen forests of western Washington. With thick, fire-resistant bark and deep green pine needles, the Douglas fir is one of the most common native trees in Washington State.
Douglas-fir tree
The Douglas-fir is the state tree of Oregon and the second tallest tree species in the world, behind only the coastal redwood. It can grow to over 300 feet tall and up to 10-feet in diameter (far too large for one person to hug!)
Vegetation Types: Douglas Fir/Mixed Evergreen Forests - U.S.
2024年2月5日 · Coast Douglas fir is a large, coniferous, evergreen tree. Trees five to six feet in diameter and 250 feet or more in height are common in old-growth stands. Trees often live more than 500 years. Douglas fir is considered moderately shade tolerant and regenerates best in pasture edges, open areas, and post-disturbance.
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