Question From: S. Felix - Washington, United States
Q: We have a Mountain Ash Tree, mature, but not of great size. (Years of neglect by previous owners, lack of water, etc.) Wehave noticed rows of holes on the trunk...about 8-10 feet up. They are in horizontal rows, no "saw dust", some sprouting at the base and up the lower trunk. Can we use a systemic type drench in the soil beneath/around it? Cygon? We want to save the tree. We live in Eastern Washington. Thanks!
Those holes are probably from a wood pecker not bugs. Sprouting at the base indicates the tree is or has been in stress. If you really want to save the tree get and onsite inspection from a certified arborist for an accurate diagnosis of the issues. To find one in your area go to www.tcia.org and enter your zip code. Best And Happy Yardening, Nancy