Douglas Fir
Pseudotsuga menziesii
Pinaceae
Growth Habit
TreeDescription
Open spiry pyramid with straight stiff branches, the lower drooping, the upper ascending; dense in youthbecoming loose with age. 40' to 80' tall under landscape conditions with 12' to 20' spread; can reach 200' or greater in height in its native habitat. The Rocky Mnt. form has bluish green needles and ishardy in zone 4. The Pacific slope form has dark green foliage and is hardy to zone 6.
Source of plant
Horticultural Associates, Welker's Grove Nursery, NH Dept. of Nat. & Cultural Resources, Green-Vu Lanscape Service, Claude Heit, Edmund Pfeifer, Instutute of Ecosystem Studies, American Conifer Society, University of CA Botanical Garden
