Douglas-fir (Pseudotsuga menziesii)
Family: Pinaceae


Form: This is a large tree with a pyramid shaped crown.

 

Needles:
             

Arrangement: 2-ranked

Length: 3/4 - 1 1/4" long

Shape: blunt tipped

Other: yellow-green to blue-green; very fragrant

 

 

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.