University of Illinois Extension

Douglas Fir

Selection Info:
Well-drained, moist, rich, acidic soils, sun, high humidity. 40 to 200 feet tall (not true fir)
Blue foliage.
Some Common Diseases:
Needle cast
Needle Blight
Wood rot
Tip Blight
Canker
Root rot
Some Common Insects and Insect-related:
Woolly Aphid (Alternate host not required)