SelecTree: Tree Detail

COLORADO BLUE SPRUCE
Picea pungens 'Glauca'

Picea pungens 'Glauca' Picea pungens 'Glauca' Picea pungens 'Glauca' Picea pungens 'Glauca' Picea pungens 'Glauca' Picea pungens 'Glauca' Picea pungens 'Glauca' Picea pungens 'Glauca'

Photo Locations: Lotusland - Santa Barbara, CA, Finch Arboretum - Spokane, WA and Strybing Arboretum - San Francisco, CA

General Notes

Commonly seen blue-gray leaf form.

Family: Pinaceae

Tree Characteristics

Erect or Spreading and requires ample growing space.

Conical Shape.

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 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 3 - 8.

Exposure Full Sun to Partial Shade.

Moist Soil.

Clay, Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

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.

Attracts Birds.

Not Deer Palatable.

Cite this tree:
SelecTree. "Picea pungens 'Glauca' Tree Record." 1995-2017. Dec 10, 2017.
< http://selectree.calpoly.edu/tree-detail/picea-pungens-glauca >

SelecTree Nursery Connection Map
Cal Poly / ESRI