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Fraxinus latifolia Benth.
Synonym(s): Fraxinus oregona, Fraxinus pennsylvanica ssp. oregona
USDA Symbol: FRLA
USDA Native Status: L48 (N), CAN (N)
Oregon ash is a narrow-crowned, straight-trunked tree when grown in thickets, becoming more broad-crowned in the open. Growing 30-70 ft., this tree bears stout branchlets and light-green, pinnately compound, deciduous leaves. Fall color is a clear yellow.
Oregon Ash is the only ash native to the Northwest and the only western ash with commercially important wood; it is used for furniture, flooring, millwork, paneling, boxes, and fuel. It is also planted as a shade tree along the Pacific Coast. According to an old superstition in the Northwest, poisonous snakes are unknown where this ash grows, and rattlesnakes will not crawl over a branch or stick from the tree.
Plant CharacteristicsDuration: Perennial Habit: Tree Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: White , Yellow , Green , Brown
Bloom Time: Apr
, WA Canada: BC Native Distribution:
W. base of Sierras from Kern to Modoc Cos., Coast Ranges from Santa Clara Co. to B.C. Native Habitat:
Moist canyon sites & stream banks below 5500 ft.
Growing ConditionsWater Use:
Medium Light Requirement:
Sun Soil Moisture:
Moist , Wet CaCO3 Tolerance:
Low Soil Description:
Moist, rich, well-drained soils. Conditions Comments:
is good for revegetating wet, lowland areas.
PropagationDescription: Seeds may be sown outdoors after collection or stored and stratified then sown in spring.
Seed Treatment: Stratify in moist sand or perlite for 30-60 days at 41 degrees.
Commercially Avail: yes
National Wetland Indicator Status
|Status:|| FACW || FACW |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Santa Barbara Botanic Garden
- Santa Barbara, CANative Seed Network
- Corvallis, OR
Record Last Modified: 2007-01-01
Research By: TWC Staff