Check out yellow leaves on rhododendrons and azaleas.
Presentation by Kurtis L. Schroeder, Cropping Systems Agronomist & Plant Pathologist, on Soilborne Diseases of Cereals: Identification and Management
A list of recommended trees and shrubs in Oregon, good for controlling erosion.
OSU Extension publications show how to grow several kinds of berries, fruit trees, roses and native plants in Central Oregon.
Wild lilac is drought tolerant and needs no fertilizer