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DOUGLAS-FIR
Pseudotsuga menziesii
General Notes
Resistant to oak root fungus. A natural varietal form is Pseudotsuga menziesii glauca with blue-green needles. Pitch Canker note: Naturally infected trees have been observed only in planted stands, and not in native forests.
Has Fragrant Leaf.
SelecTree lists 1 cultivar of menziesii:
'fastigiata'
A Pseudotsuga menziesii in McCloud is registered as a California Big Tree. It measures 256 feet high, with a trunk circumference of 322 inches and a crown spread of 63 feet for a total of 594 points.
List all Pinaceae | Pseudotsuga
- Family: Pinaceae
- California Native: Yes
- Habit: Evergreen
- Sunset Zones: 1 - 10 and 14 - 17
- Exposure:
Full Sun to Partial Shade
- Water Needs:
Moist to Dry
Soil
- Soil Type: Clay, Loam or Sand
- Height: Over 65
feet
- Growth Rate:
24 Inches per Season
- Shape: Conical
- Longevity:
Greater than 150 years
- Leaves: Needle
Blue Green or Dark Green
- Flowers:
Inconspicuous
- Fruit: Very Large (Over 3.00 inches)
- Bark: Red Brown, Furrowed
- Pest & Disease:
Resistant to
Oak Root Fungus.
Susceptible to Beetle Borers, Western Spruce Budworm, Douglas Fir Beetle, Black Pineleaf Scale, Spruce Spider Mite and Douglas-fir Tussock Moth, Sudden Oak Death, Phytophthora, Root Rot, Oak Root Rot, Laminated Root Rot, Red Ring Rot, Mistletoe and Pitch Canker. See additional information...
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