SelecTree: Tree Detail
Photo Locations: Morton Arboretum - Lisle, IL and The National Arboretum - Washington, DC
Hardy at high elevations. Prolific seed producer. Large compound leaves with 7 - 11 leaflets, each up to 5 inches long. Twigs are square with 4 corky ridges.
Native to Central United States.
Trees may be referred to as male or female.
A Fraxinus quadrangulata in Santa Ana is registered as a California Big Tree. It measures 79 feet high, with a trunk circumference of 222 inches and a crown spread of 70 feet.
Erect or Spreading and requires ample growing space.
Has Deciduous foliage.
Height: 50 - 75 feet.
Width: 35 - 60 feet.
Growth Rate: 36 Inches per Year.
Longevity 50 to 150 years or more.
Leaves Pinnately Compound Odd, Dark Green, Red or Purple or Bronze, Deciduous.
Flowers Inconspicuous. Flowers in Spring. Has either male or female reproductive parts (dioecious). Trees may be sold as male or female.
Prolific, Beige, Brown, Yellow or Mostly Green Samara, Very Small to Large (Under 0.25 - 3.00 inches), fruiting in Summer or Fall.
Bark Dark Gray or Light Gray, Furrowed 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 2 - 6.
USDA Hardiness Zones 4 - 7.
Exposure Full Sun to Partial Shade.
Wet to Moist Soil.
Clay, Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Not Suited.
Pests & Disease Information
Susceptible to Beetle Borers and Scales, Root Rot, Sooty Mold and Verticillium.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
Allergy Health Hazard.
Fire Resistance is Favorable.
Desirable Wildlife Plant.
Not Deer Palatable.
Cite this tree:
SelecTree. "Fraxinus quadrangulata Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/fraxinus-quadrangulata >