What is damaging my Dogwood?
Have noticed this damage getting progressively worse over the last 4-6 months. The tree was planted about 18 months ago. Is a Cherokee Princess white flowering Dogwood.
Is this Dogwood Borer? The leaves did not (to my inexperienced eye, anyway) turn a strange color, nor are there dead branches in the canopy. In fact, there seems to be no damage above ~3ft up the trunk.
Also... the black stuff you see is that tree-seal stuff. I know, I know... I should have asked here first before painting that stuff on. Noobie mistake.
I'm thoroughly confused as to the source of the damage, hence why I have come here to ask the experts. Thanks in advance! :-)