Douglas-fir (Pseudotsuga menziesii)
Family: Pinaceae
Form: This is a large tree with a pyramid shaped crown.
|
![]() |
Needles:
|
|
Bark: The bark is smooth and gray when young that becomes thick and reddish brown with ridges and furrows at maturity.
|
![]() ![]() |
Cones: The cones are 3 to 4 inches long with rounded scales and have 3-lobed bracts that extend beyond scales.
|
![]() |
Distinguishing characteristics: This species has two ranked needles, bracts on cones and smooth gray bark that turns red at maturity.
|
|
Range: This is a western species. It occurs between 2,000 and 10,000 ft., mainly along the coast or on rocky soils and mountain slopes.
|
|
Silvics: This species is intermediate in shade tolerance and grows best on moist deep soils of northern exposure. It can endure considerable drought conditions and self-prunes poorly.
|
|
Ecological and cultural importance: This is a major timber producing species in the western U.S. It is also grown and sold during the holiday season for Christmas trees.
|