SelecTree: Tree Detail

ISELI FOXTAIL COLORADO SPRUCE
Picea pungens 'Iseli Foxtail'

Picea pungens 'Iseli Foxtail' Picea pungens 'Iseli Foxtail' Picea pungens 'Iseli Foxtail' Picea pungens 'Iseli Foxtail' Picea pungens 'Iseli Foxtail' Picea pungens 'Iseli Foxtail'

Photo Locations: The National Arboretum - Washington, DC and Heaps Peak Arboretum, San Bernardino National Forest

General Notes

Branches droop but resist breakage.

Family: Pinaceae

Additional Common Names

ISELI FOXTAIL COLORADO SPRUCE, ISELI FOXTAIL COLORADO BLUE SPRUCE, ISELI FOXTAIL BLUE SPRUCE

Tree Characteristics

Columnar or Conical Shape.

Has Evergreen foliage.

Height: 30 - 50 feet.

Width: 10 - 20 feet.

Growth Rate: 12 to 36 Inches per Year.

Leaves Needle, Green or Blue Green, No Change, Evergreen.

Flowers Inconspicuous. Orange, Green or Purple. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).

Brown Cone, Very Large (Over 3.00 inches), fruiting in Spring, Summer or Fall.

Bark Gray to Brown, Exfoliating or Scaly.

Shading Capacity Rated as Dense to Very Dense in Leaf.

Tree Site Conditions & Constraints

Sunset Zones 1 - 10 and 14 - 17.

USDA Hardiness Zones 4 - 8.

Exposure Full Sun to Partial Shade.

Well Drained Soil.

Clay, Loam or Sand Texture.

Acidic Soil pH.

Pests & Disease Information

Susceptible to Mites, Insect Galls, Budworm, Scales and Caterpillars, Canker and Rust.

Health, Safety & Environmental Concerns

Root Damage Potential Rated as Low.

Fire Resistance is Unfavorable.

Special Uses & Values

Specimen, Buffer Strip or Screen.

Cite this tree:
SelecTree. "Picea pungens 'Iseli Foxtail' Tree Record." 1995-2017. Oct 20, 2017.
< http://selectree.calpoly.edu/tree-detail/picea-pungens-iseli-foxtail >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.