Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

Q: These hard clear bubbles have formed from secretions from a few of my wild cherry trees. [The reader sent photos.] Do you think it is heat related or an indication of pending tree doom? Do other ...

Q: I have a pine tree that is oozing a waxy substance. There is so much of it that the rocks beneath the tree are shiny. I also noticed that the branches are covered with little black bugs. They look ...

Common tree pests fall into three main categories: defoliators such as tent caterpillars that eat leaves, borers like emerald ash borer that attack the wood of the tree, and sap suckers like scale ...

Record early-summer heat and continued struggles with little cherry disease and pests all challenged Yakima Valley growers in 2021. Those issues, and how to eliminate or at least reduce crop damage ...