Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
Live on the coast? Check out these 6 new publications on the best ways to grow your favorite berries! We suggest you start with the overview, then move on to the crop specific guides.