Ponderosa pine may be attracting sequoia pitch moth: Ask an expert
Updated May 14, 2021;
The gardening season has started and if you’ve got questions, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty and Master Gardeners reply to queries within two business days, usually less. To ask a question, simply go to the and type it in, including the county where you live. Here are some questions asked by other gardeners. What’s yours?
Q: We live in Coos County and have ponderosa pines about 15 years old that are showing signs of pine bark infestation. The trees are ornamental, but near a stand of Douglas firs. It there a suggested treatment for the pine trees? – Coos County