SelecTree: Tree Detail
Photo Locations: Hoyt Arboretum - Portland, OR, Regional Parks Botanic Garden, Tilden Regional Park - Berkeley, CA and Arnold Arboretum - Boston, MA.
General NotesDoes poorly on soils very wet much of the year. Does poorly on rocky or gravelly soils.
Has fragrant Bark and Leaf.
Native to Alaska, Washington, and Oregon.
Additional Common Names
ALPINE FIR, ROCKY MOUNTAIN FIR
Erect or Spreading and requires ample growing space.
Has Evergreen foliage.
Height: 60 - 90 feet.
Width: 15 - 20 feet.
Growth Rate: 12 to 24 Inches per Year.
Longevity Greater than 150 years.
Leaves Needle, Blue Green or Medium Green, No Change, Evergreen.
Flowers Inconspicuous. Flowers in Spring or Summer. Has separate male and female flowers on the same tree (monoecious).
Brown or Purple Cone, Very Large (Over 3.00 inches), fruiting in Fall or Winter.
Bark Cream, Light Gray or Red Brown, Fissured.
Shading Capacity Rated as Very Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 1 - 9 and 14 - 17.
USDA Hardiness Zones 5 - 6.
Exposure Full Sun to Partial Shade.
Wet to Moist Soil.
Loam or Sand Texture.
Highly Acidic to Neutral Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Beetle Borers, Armillaria, Root Rot and Rust.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Moderate.
Allergy Health Hazard.
Fire Resistance is Unfavorable.
Desirable Wildlife Plant.
Attracts Birds and Squirrels.
Not Deer Palatable.
Special Uses & Values
Cite this tree:
SelecTree. "Abies lasiocarpa Tree Record." 1995-2018. May 22, 2018.
< https://selectree.calpoly.edu/tree-detail/abies-lasiocarpa >