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Douglas-fir
Pseudotsuga menziesii
subspecies glauca |
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Douglas-fir is native to western mountain forests from the Rockies
to the West Coast. Inland trees (subspecies glauca) have blue-green
foliage and are shorter and slower-growing than the giants of the
coastal forests. |
Height: 50’
Crown Spread: 20’
Growth Rate: moderate
Foliage: soft, one-and-a-half-inch long, bluish-green
needles
Fruit: reddish-brown, oval-shaped cones about three
inches long with distinctive three-tipped bracts on each cone scale
Soil: well-drained, intolerant of flooding
Water: medium
Sun: partial shade to full
Problems: Spruce budworm, scale, aphids; dies back
in hot, dry, windy conditions Comments: distinctive
pyramidal shape when young
Street Tree: limited to spaces appropriate to large
trees |
