SelecTree: Tree Detail

ARIZONA ASH
Fraxinus velutina

Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina Fraxinus velutina

Photo Locations: Cal Poly Campus - San Luis Obispo, CA and Tilden Regional Parks Botanical Garden - Berkeley, CA

General Notes

Smog tolerant.

Native to Southwestern United States and Mexico.

Trees may be referred to as male or female.

A Fraxinus velutina in Modesto is registered as a California Big Tree. It measures 72 feet high, with a trunk circumference of 179 inches and a crown spread of 86 feet.

Family: Oleaceae

Additional Common Names

ARIZONA ASH, VELVET ASH

Tree Characteristics

Erect or Spreading with a High Canopy.

Conical or Oval Shape.

Has Deciduous foliage.

Height: 30 - 50 feet.

Width: 30 - 40 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years.

Leaves Pinnately Compound Odd, Medium to 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 Light Gray, Fissured.

Shading Capacity Rated as Moderate in Leaf.

Shading Capacity Rated as Moderately Low out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 3 - 24.

USDA Hardiness Zones 6 - 8.

Exposure Full Sun to Partial Shade.

Moist to Dry Soil.

Clay, Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

Salinity Tolerance is Moderate Inland.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Susceptible to Beetle Borers, Spider Mites and White Fly, Anthracnose, Mistletoe, Root Rot, Rust, 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 velutina Tree Record." 1995-2017. Nov 21, 2017.
< http://selectree.calpoly.edu/tree-detail/fraxinus-velutina >

SelecTree Nursery Connection Map
Cal Poly / ESRI