Check out yellow leaves on rhododendrons and azaleas.
This guide can serve as a starting point for development of nutrient management guidelines for Oregon growers. Recommendations in this guide are based on research performed in the Willamette Valley with other cropping systems and ...
Look to this hydrangea how-to for advice on soil, water, pruning and more. Learn a simple pH trick that will turn blooms from pink to blue.
This fact-sheet explains container planting, including types of containers, soil for containers, and fertilizer.
A list of recommended trees and shrubs in Oregon, good for controlling erosion.
Residues of lead arsenate, DDT, and other persistent pesticides may be in soil where orchards once grew and homes now stand. This report discusses how to investigate former pesticide use and current pesticide residues on your ...
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.
Discusses how to grow dahlias, beginning with soil preparation, fertilizer needs, and planting. Includes information on propagation, how to handle cut flowers, and digging and storing tubers. Also discusses insect and disease problems.