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  • Douglas fir - Wikipedia
    The immense size and long lifespan of the Douglas fir has produced some acclaimed individual trees Historical examples include the Lynn Valley Tree near Vancouver, British Columbia and the Nooksack Giant in Maple Falls in Washington State
  • Douglas-Fir | Silvics of North America
    Douglas-fir (Pseudotsuga menziesii), also called red-fir, Oregon-pine, Douglas-spruce, and piño Oregon (Spanish), is one of the world's most important and valuable timber trees It has been a major component of the forests of western North America since the mid-Pleistocene (30)
  • Douglas fir | Description, Uses, Species | Britannica
    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 North America
  • Douglas Fir: Key Facts - Forest Wildlife
    Douglas firs are evergreen trees found in the Rocky Mountains and points westward, as well as parts of Canada, Mexico, and eastern Asia These trees, particularly those found in the Pacific northwest, are known for living an extremely long time and having the ability to grow 300 feet tall or more
  • Douglas Fir—A True Northwest Native - Portland. gov
    In Washington and Oregon, Douglas firs grow from the Cascades to the coast Douglas firs are comparatively fire resistant and also one of the first trees to appear after a fire
  • How to Grow and Care for Douglas Fir (Complete Guide)
    Douglas fir (Pseudotsuga menziesii) is a popular evergreen tree native to western North America Here's a complete guide to grow and care for it
  • DOUGLAS FIR - USDA
    Pseudotsuga menziesii, Douglas-fir, is one of the world's most important and valuable trees The needles persist up to 8 years and are scattered singly over the twigs
  • Pseudotsuga menziesii - Landscape Plants | Oregon State University
    A closely related species, Pseudotsuga macrocarpa, Bigcone Douglas-fir, is native to southern California, in mountainous areas from Kern County to just north of the boarder with Mexico in San Diego County
  • 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
  • Trees on the edge: Understanding Douglas-fir decline and mortality in . . .
    Douglas-fir is the dominant tree species in many low- to mid-elevation forests across southwest Oregon Douglas-fir trees provide vital wildlife habitat, are an important source of timber, and capture and store carbon However, a rising number of Douglas-firs in southwest Oregon are dying





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