Abies lasiocarpa
Alpine Fir
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Alpine Fir (Abies lasiocarpa) - Description
A. lasiocarpa are Alpine/Rocky Mountain firs. They are native to Alaska, south through Washington and Oregon, nearly through the Rocky Mountains. In the wild, they can grow to heights of 60-90 feet tall and 10 feet wide. In gardens, they tend to grow much shorter, but much wider, spreading to widths of 15-20 feet in the Northwest. They grow extremely slowly in California gardens. They bear 1-1 1/2 inch bluish green needles.
Alpine Fir (Abies lasiocarpa) - Blooming
Fir trees are planted for screens and windbreaks. White fir is often planted as an ornamental in large parks.
Alpine Fir (Abies lasiocarpa) - 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').
Alpine Fir (Abies lasiocarpa) - Planting
Allow ample room when planting firs as some species can get 20' wide at the base.
Alpine Fir (Abies lasiocarpa) - Pest
Aphids can be a problem for new growth on shoots.
Alpine Fir (Abies lasiocarpa) - 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.
Alpine Fir (Abies lasiocarpa) - Soil and irrigation
Most firs need moderate to regular water.
