SelecTree: Tree Detail

FLOWERING ASH
Fraxinus ornus

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Photo Locations: Washington Park Arboretum - Seattle, W, Hoyt Arboretum - Portland, OR and Strybing Arboretum - San Francisco, CA

General Notes

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.

Family: Oleaceae

Additional Common Names

FLOWERING ASH, SOUTHERN EUROPEAN FLOWERING ASH, SOUTHERN MEDITERRANEAN ASH

Tree Characteristics

Erect or Spreading with a High Canopy.

Rounded Shape.

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, Medium Green, Gold, Purple or Multicolored, Deciduous.

Fragrant Green or White. 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 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.

Moist Soil.

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." 1995-2017. Nov 23, 2017.
< http://selectree.calpoly.edu/tree-detail/fraxinus-ornus >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.