Pseudotsuga menziesii
Pseudotsuga menziesii
Douglas fir
Douglas fir
Previous scientific name(s): Pseudotsuga mucronata
Large evergreen tree occurring on both moist and dry well-drained forest soils. Usually found on north facing slopes, at 4,000 to 11,000 ft. elevation.
Varieties:
Species Attributes
Height:
150
- 300
feet
Native or Introduced:
Native
Precipitation:
16
in.
Sun & Shade Tolerance:


Elevation:
4,000
- 11,000
ft.
Soil Texture
Coarse:
Not Adapted
Moderately Coarse:
Average
Medium:
Best
Moderately Fine:
Marginal
Fine:
Not Adapted
Soil pH
Acidic:
Average
Neutral:
Best
Basic:
Not Adapted
Seeding Rate:
PLS lbs/Acre
Pure Seed per Bushel:
22.90 lbs.
Seeds per Pound:
38,000
Germination Time:
Days
Mycorrhizal Dependent:
Yes
Bloom Color:
Inconspicuous
Blooming Season:
Spring
Summer




