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.
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...
Colorado’s Major Tree Species - Colorado State Forest Service
Colorado's major tree species include bristlecone pine, Colorado blue spruce, Douglas-fir, Engelmann spruce, limber pine, lodgepole pine, narrowleaf cottonwood, quaking aspen, piñon pine, plains cottonwood, ponderosa pine, Rocky Mountain juniper, subalpine fir and white fir.
Douglas-fir - The Morton Arboretum
Douglas-fir grows best in moist, neutral to acidic soil in full sun. It does not like hot, dry sites, and prefers a cooler climate. Stressed trees are susceptible to needle diseases and insect problems. Slightly more compact than species with upright branches and bluish-green needles.
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.
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.
How to Grow a Douglas Fir Tree: A Step-by-Step Guide
2023年5月17日 · Discover essential information about planting and caring for a Douglas Fir tree. Learn about its growth rate, ideal growing conditions, planting location, and common challenges. Explore the beauty and benefits of this majestic tree in your landscape.
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.
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