Abies concolor
Colorado Fir
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Colorado Fir (Abies concolor) - Description
A. concolor are white firs that are native to mountains of southern Oregon, California, southern Rocky Mountains, and Baja California. They are a popular Christmas tree and one of the most commonly grown native firs in Western gardens. They need no irrigation in their native areas. They are large and symmetrical in size and shape. They bear bluish green 1-2 inch long needles.
Colorado Fir (Abies concolor) - Blooming
Fir trees are planted for screens and windbreaks. White fir is often planted as an ornamental in large parks.
Colorado Fir (Abies concolor) - Growth
Most firs grow slowly in hot and dry climates at low elevations. Height ranges from dwarfed varieties (avg. 2'-3', 'Abies balsamea') to gigantic (upwards of 200', 'Abies nobilis').
Colorado Fir (Abies concolor) - Planting
Allow ample room when planting firs as some species can get 20' wide at the base.
Colorado Fir (Abies concolor) - Pest
Aphids can be a problem for new growth on shoots.
Colorado Fir (Abies concolor) - Interesting facts
Though often confused with spruce trees, firs are recognizable by their tall, symmetrical shape, large cones (or spiky stalks after ripening) and soft green or gray/blue needles. Most are North American in origin, and grow best in mountainous climates. Firs attract birds, and some varieties are suitable for creating bonsais.
Colorado Fir (Abies concolor) - Soil and irrigation
Most firs need moderate to regular water.
