SelecTree: Tree Detail
Photo Locations: Red Butte Garden - Salt Lake City, UT, Hoyt Arboretum - Portland, OR, The National Arboretum - Washington, DC and Arnold Arboretum - Boston, MA
Includes both green and blue-green leaf forms.
Native to Western North America.
Additional Common Names
COLORADO SPRUCE, SILVER SPRUCE
Erect or Spreading and requires ample growing space.
Has Evergreen foliage.
Height: 30 - 65 feet.
Width: 10 - 20 feet.
Growth Rate: 24 Inches per Year.
Longevity Greater than 150 years.
Leaves Needle, Blue Green, Dark Green or Silver Gray, No Change, Evergreen.
Flowers Inconspicuous. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).
Brown Cone, Very Large (Over 3.00 inches), fruiting in Fall or Winter.
Bark Dark Gray or Light Gray, Fissured.
Shading Capacity Rated as Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 1 - 10 and 14 - 17.
USDA Hardiness Zones 2 - 8.
Exposure Full Sun to Partial Shade.
Clay, Loam or Sand Texture.
Highly Acidic to Highly Alkaline Soil pH.
Salinity Tolerance is Moderate on Coast.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Aphids, Scales and Spider Mites, Oak Root Rot, Phytophthora, Root Rot, Rust and Sooty Mold.
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.
Not Deer Palatable.
Cite this tree:
SelecTree. "Picea pungens Tree Record." 1995-2017. Oct 20, 2017.
< http://selectree.calpoly.edu/tree-detail/picea-pungens >