Check out yellow leaves on rhododendrons and azaleas.
A list of recommended trees and shrubs in Oregon, good for controlling erosion.
Explains how to plant or transplant rhododendrons and azaleas. Discusses soil, fertilizer, and water needs. Covers cultivation, winter damage, pruning, propagation, and problems such as nutrient deficiencies and insect pests.
Differences between processed and organic fertilizers are explained in this article.
OSU Extension publications show how to grow several kinds of berries, fruit trees, roses and native plants in Central Oregon.