SelecTree: Tree Detail
Photo Locations: The Morton Arboretum - Lisle, IL, Regional Parks Botanic Garden, Tilden Regional Park - Berkeley, CA, Hoyt Arboretum - Portland, OR and Arnold Arboretum - Boston, MA
Susceptible to spruce budworm.
Has fragrant Leaf.
Native to Western North America.
A Picea engelmannii in Siskiyou National Forest is registered as a California Big Tree. It measures 133 feet high, with a trunk circumference of 149 inches and a crown spread of 35 feet.
Erect and requires ample growing space.
Has Evergreen foliage.
Height: 60 - 130 feet.
Width: 20 - 25 feet.
Growth Rate: 24 Inches per Year.
Longevity Greater than 150 years.
Leaves Needle, Blue Green, No Change, Evergreen.
Flowers Inconspicuous. Flowers in Spring or Summer. Has separate male and female flowers on the same tree (monoecious).
Brown Cone, Large (1.50 - 3.00 inches), fruiting in Fall or Winter.
Bark Dark Brown or Red Brown, Scaly.
Shading Capacity Rated as Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 1 - 7, 10 and 14 - 17.
USDA Hardiness Zones 3 - 8.
Exposure Full Sun to Partial Shade.
Clay, Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Medium in Mild Zone.
Pests & Disease Information
Susceptible to Aphids, Beetle Borers and Scales, Oak Root Rot, Root Rot, Rust and Sooty Mold.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Moderate.
Allergy Health Hazard.
Biogenic Emissions considered High.
Fire Resistance is Unfavorable.
Desirable Wildlife Plant.
Not Deer Palatable.
Cite this tree:
SelecTree. "Picea engelmannii Tree Record." 1995-2018. Feb 24, 2018.
< https://selectree.calpoly.edu/tree-detail/picea-engelmannii >