SelecTree: Tree Detail

COLUMBIA RIVER GORGE GIANT DOGWOOD
Cornus nuttallii 'Colrigo Giant'

General Notes

Needs ample water. Large flowers.

Has fragrant Flower.

Family: Cornaceae

Tree Characteristics

Erect or Spreading with a High Canopy.

Oval, Rounded, Umbrella or Vase Shape.

Has Deciduous foliage.

Height: 40 - 50 feet.

Width: 20 - 25 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years.

Leaves Oval, Gray Green or Light to Medium Green, Red, Gold or Multicolored, Deciduous.

Flowers Showy. Fragrant White. Flowers in Spring. Has perfect flowers (male and female parts in each flower).

Prolific, Orange or Red Drupe, Small (0.25 - 0.50 inches), fruiting in Fall or Winter.

Bark Red Brown, Blocky or Furrowed.

Shading Capacity Rated as Moderate in Leaf.

Shading Capacity Rated as Low out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 2 - 9 and 14 - 20.

USDA Hardiness Zones 7 - 8.

Exposure Partial Shade to Full Shade.

Moist Soil.

Clay or Loam Texture.

Highly Acidic to Neutral Soil pH.

Seaside Tolerance is Medium in Mild Zone.

Pests & Disease Information

Resistant to Verticillium. Susceptible to Beetle Borers and Scales, Anthracnose, Phytophthora and Root Rot.

Health, Safety & Environmental Concerns

Branch Strength Rated as Strong.

Root Damage Potential Rated as Moderate.

Allergy Health Hazard.

Desirable Wildlife Plant.

Attracts Birds.

Deer Palatable.

Cite this tree:
SelecTree. "Cornus nuttallii 'Colrigo Giant' Tree Record." 1995-2018. Oct 15, 2018.
< https://selectree.calpoly.edu/tree-detail/cornus-nuttallii-colrigo-giant >

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.