Douglas-fir
Pseudotsuga menziesii
Pinaceae or the Pine Family

 

 
  Leaves: Needles borne singly; about 1" long; flat; blunt; yellow-green to blue-green; evergreen; remain on tree 5-8 years.

Twigs/buds: Twigs slender; flexible; covered with fine hairs; glabrous when leaves are detached. Buds cigar-shaped; sharp-pointed; about 1/2" long; brown.

Flowers/fruit: Fruit a thin-scaled cone; about 3" long; hangs down; each scale has a 3-pointed woody bract attached to it.

Bark: Smooth; gray-brown; with resin blisters on young trees; rough and thick on older trees.

Wood: Very important; sapwood white to yellow; heartwood yellow to red; growth rings very distinct; used for high-quality lumber and plywood.

General: Native to the Pacific coastal states and Rocky Mountain states, including Utah. Not a true fir. Very valuable western timber tree. Narrower crown than many conifers. Intermediate shade tolerance.

Landscape Use: Does well in Utah but seldom seen away from native mountain sites. Does well in Utah's valleys with adequate moisture. Zones 4-6.

 

Range map from Digital Atlas of the Vascular Plants of Utah

 
   
                 
 
 
 
Leaves
Cones, immature
Crown
Landscape
 
                 
 
 
 
Bark, young
Bark, Mature
Bark, Old
Stand
 
 

 

Click on images to view larger version in a new window

 
Updated 8/15/2002