Hansen's Northwest Native Plant Database


Fraxinus latifolia (Oregon Ash)

 

Kingdom

 Plantae Plants

Subkingdom

 Tracheobionta Vascular plants

Superdivision

 Spermatophyta Seed plants

Division

 Magnoliophyta Flowering plants

Class

 Magnoliopsida Dicotyledons

Subclass

 Asteridae

Order

 Scrophulariales

Family

 Oleaceae Olive family

Genus

 Fraxinus L. ash

Species

 Fraxinus latifolia Benth. Oregon ash

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.

The photo below, center, is by Jean-Pol GRANDMONT.

   
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