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Most City of Portland offices will be closed Monday, May 27, in observance of Memorial Day.

Fraxinus americana


American Ash 


Fraxinus americana - American Ash

About American Ash at OSU's Landscape Plants site

  • Native to the eastern half of the U.S. and southern Ontario.

  • Height can reach over 100’.

  • Compound leaves usually with 7-9 leaflets that are pale beneath (another common name is White Ash).

  • Dioecious with flowers appearing before leaves.

  • Bark has diamond-shaped ridges.

  • Uncommon along Portland’s streets.

Tree #LocationDimensionsPhoto and Notes

412 NE Hazelfern

Right of Way

35' Height

75' Spread

11.2' Circ.

Fraxinus americana - American Ash