SelecTree: Tree Detail
Photo Locations: Cal Poly Campus - San Luis Obispo, CA and Tilden Regional Parks Botanical Garden - Berkeley, CA
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.
Additional Common Names
ARIZONA ASH, VELVET ASH
Erect or Spreading with a High Canopy.
Conical or Rounded 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, Green, Golden or Yellow or Orange, Deciduous.
Flowers Inconspicuous. Flowers in Spring. Has either male or female reproductive parts (dioecious). Trees may be sold as male or female.
Yellow or Mostly Green Samara, 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." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/fraxinus-velutina >
SelecTree Nursery Connection Map
Cal Poly / ESRI