POLK SOIL AND WATER CONSERVATION DISTRICT
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Oregon Ash - bare root 18"/24"

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Bare Root 18"/24" - Fraxinus latifolia


This beautiful member of the olive family is found in riparian areas, often alongside Black Cottonwood, willows and Red Alder. It is an excellent species for reclamation projects. Native to coastal Washington and Oregon and the mountain ranges of California, it is hardy to USDA zones 6-9. At full maturity, Oregon Ash reaches 40 – 80,’ with stiff branches and long axils of 5-9 small leaflets. In fall the leaves turn yellow. Oregon ash prefers full sun and a moist site but it will tolerate some shade and seasonal flooding.


Habit: this deciduous tree is medium sized, symmetrical in shape, growing about half as wide as it is tall. The young bark is thin, smooth, and gray-green becoming gray-brown, thick and furrowed with age. The olive green leaves are large, pinnately compound with 5-7 leaflets each reaching up to 5 in. (12 cm) long, margins are smooth, and the underneath side is covered in short hairs. Male and female flowers are found on separate trees in clusters blooming before leaves appear in spring, fruit on female trees is a one winged samara. Leaves turn a vivid yellow in the fall.


Ecology: Oregon ash prefers the damp, loose soils, of riparian zones, and places that are occasionally flooded. It grows from sea level to 3000 ft (910 m) in elevation, and up to 5577 ft (1700 m) in it’s southern range in California.


Growing Conditions: full sun to partial shade in poorly drained moist to wet soil, roots are shallow and spreading.


Oregon ash is the only native Fraxinus to the Pacific Northwest. Great for revegetating wet areas. Used by wildlife for food and shelter. Birds, squirrels, and an occasional mouse consider the seeds a delicacy.

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POLK SOIL & WATER
CONSERVATION  DISTRICT

YOUR LOCAL SOURCE OF CONSERVATION INFORMATION AND ​EDUCATION IN POLK COUNTY, OREGON SINCE 1966

Location

580 MAIN STREET,  SUITE A,
DALLAS OR, 97338

Contact Us 

 503-623-9680 x110 |   manager@polkswcd.com

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The Polk Soil & Water Conservation District complies with the American with Disabilities Act (ADA) and prohibits discrimination in all its programs, services, activities, and materials on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. 
  • Home
  • Our District
    • Staff
    • Board of Directors
    • Commitees
    • History
    • Minutes and Agendas
    • Newsletters
    • Operational Documents
    • News & Announcements
  • Assistance
  • PROGRAMS
    • Oregon Watershed Enhancement Board (OWEB) Grant Programs
    • Conservation Reserve Enhancement Program
    • Oak Woodland & Savanna Restoration
    • Successful Projects
    • Polk Manure Exchange
    • Claudia Chinook
  • Events
    • District and Community Events
    • Native Plant Sale
    • Past Meetings
  • Resources
    • Agriculture >
      • Oregon’s Agricultural Water Quality Program
      • Small Farms >
        • SOIL CONSERVATION
        • Livestock
        • Organic Operations
    • Forestry >
      • Conifer Focused Forestry
      • Oak Woodland Management
    • Invasive Species >
      • IMap Invasives
      • A-List Priority Weeds
      • The "B" Rated Weeds
      • Aquatic Animal Invaders
      • Reed Canary Grass info
      • Medusahead
      • Biological controls for noxious weeds in Oregon
    • Wildlife >
      • Save Salmon : No Spray Buffers
    • Water Conservation >
      • Conserving Water on the Farm and Around the Home
      • Drinking Water Source Protection and Wells
    • Partners