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Rocky Mountain Douglas Fir

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An imposing evergreen conifer with bluish-green needles, tall and narrow, ideal for adding a prominent vertical accent to the home landscape; requires moist soil and humid growing conditions, best with some shelter against drying winds

Characteristics

Species:
menziesii
Average Landscape Height:
70 feet
Average Landscape Width:
20 feet
Genus:
Pseudotsuga
Cultivar:
var. glauca
Branching:
excurrent
Evergreen:
1
Plant Form:
pyramidal
Canopy:
low
Density:
dense
Growth Rate:
medium
Pruning:
only prune new growth
Summer Foliage Color:
sea green
Maximum Light:
full sun
Minimum Light:
full sun
Maximum Moisture:
moist
Minimum Moisture:
moist
Pollution Tolerance:
medium

Ornamental Features

Rocky Mountain Douglas Fir is primarily valued in the landscape for its distinctively pyramidal habit of growth. It has attractive bluish-green evergreen foliage. The needles are highly ornamental and remain bluish-green throughout the winter.

Landscape Attributes

Rocky Mountain Douglas Fir is a dense evergreen tree with a strong central leader and a distinctive and refined pyramidal form. Its relatively fine texture sets it apart from other landscape plants with less refined foliage.

Planting & Growing

Rocky Mountain Douglas Fir will grow to be about 70 feet tall at maturity, with a spread of 20 feet. It has a low canopy, and should not be planted underneath power lines. It grows at a medium rate, and under ideal conditions can be expected to live to a ripe old age of 120 years or more; think of this as a heritage tree for future generations!

This tree should only be grown in full sunlight. It requires an evenly moist well-drained soil for optimal growth, but will die in standing water. It is not particular as to soil type, but has a definite preference for acidic soils. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This is a selection of a native North American species.

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