White Fir 2010 World's Tallest

White Fir Range

The Abies Lasiocarpa is commonly known as Alpine Fir, Arizona Fir, Balsam, Balsam Fir, Cork-bark Fir, Corkbark Fir, Pino Real Blanco, Rocky Mountain Fir, Subalpine Fir, Western Balsam Fir, White Balsam, as well as White Fir

Symetrically conical in youth, this evergreen becomes more irregular and rounded with age. It grows to a height of 50-150 ft. Lower branches extend to ground when open-grown but when crowded, half or more of the trunk is bare. Needles are silvery blue-green and 2-3 in. long – the longest of any fir. White fir derives its name from its silvery-white bark. Very large fir, widespread in western mountains, with narrow, pointed crown of short, symmetrical, horizontal branches; 2 geographic varieties.

Rocky Mountain White Fir (var. concolor), of the Rocky Mountain region, grows in the warmest and driest climate of all native firs. California White Fir (var. lowiana (Gord.) Lemm.), the Pacific Coast variety, is grown for ornament, shade, and Christmas trees. The scientific name, meaning of uniform color, refers to both needle surfaces.

Whie fir is a preferred construction species because of its nail-holding ability, lightness in weight, and resistance to split, twist, and pitch. It is straight-grained, non-resinous, fine-textured, stiff, and strong. White fir is popular as a Christmas tree and for Christmas decoration owing to its soft needles, generally excellent needle retention and abundance. It is often marketed as concolor or white fir. The winged seeds of this and other firs are eaten by songbirds and various mammals, especially squirrels and chipmunks. Deer and grouse feed on the foliage; porcupines gnaw the bark.


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