SelecTree: Tree Detail

OREGON ASH
Fraxinus latifolia

Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia Fraxinus latifolia

Photo Locations: Santa Barbara Botanic Garden - Santa Barbara, CA, Rancho Santa Ana Botanic Gardens - Claremont, CA, Hoyt Arboretum - Portland, OR and Regional Parks Botanic Garden, Tilden Regional Park - Berkeley, CA

General Notes

Riparian species.

Native to California, Oregon, and Washington.

Trees may be referred to as male or female.

A Fraxinus latifolia in Scicon is registered as a California Big Tree. It measures 76 feet high, with a trunk circumference of 120 inches and a crown spread of 46 feet.

Family: Oleaceae

Tree Characteristics

Erect or Spreading and requires ample growing space.

Oval or Rounded Shape.

Has Deciduous foliage.

Height: 65 - 80 feet.

Width: 50 feet.

Growth Rate: 36 Inches per Year.

Longevity Greater than 150 years.

Leaves Pinnately Compound Odd, Light Green, Gold, Deciduous.

Flowers Inconspicuous. Flowers in Spring. Has either male or female flowers (dioecious). Trees may be sold as male or female.

Yellow or Mostly Green Winged Seed, Medium (0.50 - 1.50 inches), fruiting in Summer or Fall.

Bark Dark Gray or Light Gray, Furrowed, Ridged or Scaly.

Shading Capacity Rated as Moderate in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 3 - 9 and 14 - 24.

USDA Hardiness Zones 6 - 8.

Exposure Full Sun to Partial Shade.

Wet to Dry 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 Caterpillars and Scales, Anthracnose, Root Rot, Rust, Sooty Mold and Verticillium.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium.

Root Damage Potential Rated as Low.

Allergy Health Hazard.

Biogenic Emissions considered Low.

Fire Resistance is Favorable.

Desirable Wildlife Plant.

Not Deer Palatable.

Special Uses & Values

Riparian.

Cite this tree:
SelecTree. "Fraxinus latifolia Tree Record." 1995-2017. Nov 23, 2017.
< http://selectree.calpoly.edu/tree-detail/fraxinus-latifolia >

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.