Subalpine Fir Abies lasiocarpa
Other Common Name(s):
- Phonetic Spelling
- AY-bees las-ee-oh-KAR-pah
- Description
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Subalpine fir is an evergreen conifer in the pine family (Pinaceae) that is native to the Pacific Northwest. The Rocky Mountain subalpine fir is found in the higher elevations of the Rocky Mountains from Alaska and Canade south to Colorado. It is sometimes listed as var. bifolia, but not all biologists recognize it as a separate variation as the differences are small. The Coast Range subalpine fir occurs in the mountains from Alaska south to California. The genus name is old Latin for tree.
Subalpine fir is a medium to large tree with a narrow crown and short dense drooping branches. It will grow up to 100 feet tall and is fairly short-lived. It is best grown in a moist, cool climate as in the high altitude of the Pacific mountains. Subalpine fir will grow in full sun but is also shade-tolerant. It tends to lose its natural shape if grown in lower altitudes.
The needles are blue-green to grey-green with stomal lines on both surfaces. The cones are purple to brown, barrel-shaped and held upright.
The wood is soft and generally not used for building. Its best use is for its contributions to watershed function, wildlife habitat, and recreational activities.
Insects, Diseases, and Other Plant Problems: See the fact sheet for potential insect problems to the left
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Abies lasiocarpa var. arizonica
Found in Arizona and New Mexico and has corkier bark - 'Duflon'
1 ft by 1 ft. Very slow growing - var. arizonica 'Glauca'Compacta'
5 ft tall. blue needles
- Abies lasiocarpa var. arizonica
- Abies lasiocarpa var. arizonica, 'Duflon', var. arizonica 'Glauca'Compacta'
- Tags:
- Cultivars / Varieties:
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- Abies lasiocarpa var. arizonica
Found in Arizona and New Mexico and has corkier bark - 'Duflon'
1 ft by 1 ft. Very slow growing - var. arizonica 'Glauca'Compacta'
5 ft tall. blue needles
- Abies lasiocarpa var. arizonica
- Abies lasiocarpa var. arizonica, 'Duflon', var. arizonica 'Glauca'Compacta'
- Tags:
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Attributes:
- Genus:
- Abies
- Species:
- lasiocarpa
- Family:
- Pinaceae
- Life Cycle:
- Woody
- Country Or Region Of Origin:
- Alaska to Southern New Mexico
- Play Value:
- Screening
- Wildlife Cover/Habitat
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Whole Plant Traits:
- Plant Type:
- Tree
- Woody Plant Leaf Characteristics:
- Needled Evergreen
- Habit/Form:
- Columnar
- Pyramidal
- Growth Rate:
- Slow
- Maintenance:
- Low
- Texture:
- Medium
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Soil Texture:
- High Organic Matter
- Soil pH:
- Acid (<6.0)
- Soil Drainage:
- Good Drainage
- USDA Plant Hardiness Zone:
- 4a, 4b, 5a, 5b, 6a, 6b, 7a
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Fruit:
- Fruit Color:
- Black
- Brown/Copper
- Gold/Yellow
- Purple/Lavender
- Red/Burgundy
- Fruit Length:
- > 3 inches
- Fruit Description:
- No fruits but cones are produced. Cones are resinous, purple, burgundy, brown, or black. The cones are erect and 2 to 4 inches long. They disintegrate in the fall to release winged seeds.
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Flowers:
- Flower Description:
- No flowers
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Leaves:
- Woody Plant Leaf Characteristics:
- Needled Evergreen
- Leaf Color:
- Blue
- Green
- White
- Leaf Type:
- Needles
- Leaf Arrangement:
- Opposite
- Leaf Shape:
- Linear
- Leaf Margin:
- Entire
- Hairs Present:
- No
- Leaf Length:
- 1-3 inches
- Leaf Width:
- < 1 inch
- Leaf Description:
- Needles 1 to 1.5 inches long, crowded, pale bluish green to gray-green. They are whorled but twisted at the base making them appear two0ranked.
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Bark:
- Bark Color:
- Light Gray
- Surface/Attachment:
- Fissured
- Smooth
- Bark Description:
- Young tree have smooth grayish bark that becomes rough and fissured with age
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Stem:
- Stem Color:
- Brown/Copper
- Gray/Silver
- Stem Is Aromatic:
- No
- Stem Form:
- Straight
- Stem Surface:
- Hairy (pubescent)
- Stem Description:
- The stiff stout twigs have sparse brown pubescence. The buds are tan to dark brown, rounded and resinous with triangular scales.
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Landscape:
- Landscape Location:
- Naturalized Area
- Slope/Bank
- Design Feature:
- Screen/Privacy