SelecTree: Tree Detail
Photo Locations: Washington Park Arboretum - Seattle, W, Hoyt Arboretum - Portland, OR and Strybing Arboretum - San Francisco, CA
Smog tolerant. Prolific seed producer, showy white flowers. Requires a moderate amount of water. Hardy to 0 degrees F.
Has fragrant Flower.
Native to Southern Europe and Asia Minor.
Trees may be referred to as male or female.
Additional Common Names
FLOWERING ASH, SOUTHERN EUROPEAN FLOWERING ASH, SOUTHERN MEDITERRANEAN ASH
Erect or Spreading with a High Canopy.
Has Deciduous foliage.
Height: 40 - 50 feet.
Width: 20 - 30 feet.
Growth Rate: 36 Inches per Year.
Longevity 50 to 150 years.
Leaves Pinnately Compound Odd, Green, Golden or Yellow or Orange, Deciduous.
Fragrant Green or White. 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 Dark Gray or 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 3 - 9 and 14 - 17.
USDA Hardiness Zones 6 - 9.
Exposure Full Sun to Partial Shade.
Clay, Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to 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 ornus Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/fraxinus-ornus >