SelecTree: Tree Detail

EVERGREEN ASH
Fraxinus uhdei

Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei Fraxinus uhdei

Photo Locations: Los Angeles County Arboretum - Arcadia, CA, Stanford University - Palo Alto, CA and San Luis Obispo, CA

General Notes

Resistant to oak root fungus. Susceptible to Texas root rot. Used widely in Southern California.

Native to Mexico.

Trees may be referred to as male or female.

A Fraxinus uhdei in Los Angeles is registered as a California Big Tree. It measures 70 feet high, with a trunk circumference of 260 inches and a crown spread of 83 feet.

Family: Oleaceae

Additional Common Names

EVERGREEN ASH, SHAMEL ASH

Tree Characteristics

Erect or Spreading and requires ample growing space.

Oval Shape.

Has Evergreen to Partly Deciduous foliage.

Height: 80 feet.

Width: 60 feet.

Growth Rate: 36 or More Inches per Year.

Longevity 50 to 150 years.

Leaves Pinnately Compound Odd, Glossy Dark Green, No Change, Evergreen to Partly 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 Light Gray, Fissured.

Shading Capacity Rated as Moderately Dense in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 9 and 12 - 24.

USDA Hardiness Zones 8 - 10.

Exposure Full Sun to Partial Shade.

Moist 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

Resistant to Oak Root Fungus. Susceptible to Aphids, Scales and White Fly, Fusarium, Root Rot, Sooty Mold and Verticillium.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium Weak

Root Damage Potential Rated as High.

Allergy Health Hazard.

Biogenic Emissions considered Low.

Fire Resistance is Favorable.

Desirable Wildlife Plant.

Not Deer Palatable.

Cite this tree:
SelecTree. "Fraxinus uhdei Tree Record." 1995-2017. Nov 24, 2017.
< http://selectree.calpoly.edu/tree-detail/fraxinus-uhdei >

SelecTree Nursery Connection Map
Cal Poly / ESRI