Douglas Fir - 100 Most Common North American Trees

Common Names: alpine hemlock, black fir, British Columbia Douglas-fir, Canadian Douglas-fir, coast Douglas-fir, Colorado Douglas-fir, cork-barked Douglas spruce, Douglas pine, Douglas spruce, gray Douglas, green Douglas, groene Douglas, hallarin, hayarin, hayarin Colorado, inland Douglas-fir, interior Douglas-fir, Montana fir, Oregon, Oregon Douglas, Oregon Douglas-fir, Oregon fir, Oregon pine, Oregon spruce, Pacific Coast Douglas-fir, Patton's hemlock, pin de Douglas, pin de i'Oregon, pin d'Oregon, pinabete, pinho de Douglas, pino de corcho, pino de Douglas, pino de Oregon, pino Oregon, pino real, Puget Sound pine, red fir, red pine, red spruce, Rocky Mountain Douglas-fir, Santiam quality fir, sapin de Douglas

Habitat: The variety menziesii of Douglas-fir reaches its best growth on well-aerated, deep soils with a pH range from 5 to 6. It will not thrive on poorly drained or compacted soils.

Description: The species has been successfully introduced in the last 100 years into many regions of the temperate forest zone. Two varieties of the species are recognized: P. menziesii (Mirb.) Franco var. menziesii, called coast Douglas-fir, and P. menziesii var. glauca (Beissn.) Franco, called Rocky Mountain or blue Douglas-fir.

Uses: Douglas-fir is used mostly for building and construction purposes.

Douglas Fir - Conifers.Org
Douglas Fir Photos - ForestryImages.Org
Identify Douglas Fir - Virginia Tech Dendrology