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.