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Abies concolor, commonly called white fir or concolor fir, is primarily native to mountain slopes (3000-9000 feet in elevation) in the western U.S., including the southern Cascades and Sierras from Oregon to southern California and the Rockies from southern Idaho to Arizona and New Mexico.
Abies concolor, the white fir, concolor fir, or Colorado fir, is a coniferous tree in the pine family Pinaceae. This tree is native to the mountains of western North America, including the Sierra Nevada and southern Rocky Mountains, and into the isolated mountain ranges of southern Arizona, New Mexico, and Northern Mexico.
The concolor fir, Abies concolor, (also commonly called white fir) is a great evergreen tree for the Midwestern landscape. Not only is it beautiful but it is one of the most adaptable firs. Concolor fir is native to the western United States and there can reach heights of 130-150 ft. and may occasionally reach 350 years of age.
Abies concolor, commonly known as the white fir, is a native North American conifer belonging to the pine family (Pinaceae). It is renowned for its attractive, bluish-green needle-like foliage and its tall, straight stature.
Seven avifaunal censuses spanning one-half century on an island of white firs (Abies concolor) in the Mojave Desert. The Southwestern Naturalist. 40(1): 76-85.
Long considered undesirable for timber, white fir (Abies concolor) is finally being recognized as a highly productive, valuable tree species. White fir reaches its best development and maximum size in the central Sierra Nevada of California, where the record specimen is 58.5 m (192 ft) tall and measures 271 cm (106.6 in) in d.b.h. (7).
White fir has a narrow dense pyramidal shape with horizontal branches and drooping lower branches. In the wild, it can grow 130 to 150 feet tall but in cultivation usually reaches 30-70 feet tall and 15- 30 feet wide. It prefers moist fertile soil with good drainage in full sun to partial shade.
Description. Trees to 60 m tall and 190 cm dbh; crown spirelike, becoming somewhat flat-topped with age. Bark gray, thin, smooth, with age thickening (to 18 cm) and breaking into deep longitudinal furrows, often revealing yellowish inner periderm, appearing "corky."
Abies concolor planted by Simon Bond in his Gloucestershire garden as 'Archer's Dwarf'. Its height in July 2018 (7 m) suggests a degree of reversion, but the result is a supremely dense and handsome little tree. Image Owen Johnson.
General Information. Scientific name: Abies concolor. Pronunciation: AY-beez KAWN-kull-er. Common name (s): White Fir, Colorado Fir. Family: Pinaceae. USDA hardiness zones: 3A through 7B (Fig. 2) Origin: native to North America. Invasive potential: little invasive potential. Uses: Christmas tree; screen; specimen; Bonsai; highway median.