Visitor Center - Your Forest - Trees of North Idaho
List
Douglas-fir - click to view a photo
DOUGLAS-FIR (aka Red Fir)
(Pseudotsuga menziesii)


Size at 120 years: 110-170 feet tall, 3-4 feet in diameter

Life Span: 300 years

Needles: 3/4 to 1 1/4" long. Flattened all around the twig. Soft to the touch.

Cones: Cylindrical cones. 2-3" long with 3 pointed bract protruding from scales.

Bark: Dark gray brown. Corky looking, deeply furrowed in mature trees. Inside furrows often rust red.

Where to find: Rocky soils at middle elevations across the forest, occurs mostly in mixed forests.

Things to know:
One of the world's most important timber species, used for veneer for plywood, and as mine timbers because of their strength. Grouse, deer, and elk like to eat the foliage.

View photos of this tree.

Last updated: 03/28/02


Go to the IPNF Visitor Center for a full listing of sections and topics on this website.

Search our site / Search the USFS / Ask a question / Make a comment
Idaho Panhandle National Forests / USDA Forest Service