Russian Mountain Ash Has Brown Spots On Leaves

Question From: L. Moodie - New York, New York, United States
Q: We have a young Russian Mountain Ash which started getting brown spots on leaves. Started from leaves lower half of tree. What is the problem & how can we treat the spots?

A: Your tree has a disease. Take samples of the leaves to an independent garden center or nursery for an accurate ID and methods of control. Best And Happy Yardening, Nancy