I have small black spot and on twigs of my hornbeams that’s spreading and causing branch die back. I’m seeing similar tip die back on a nearby River Birch and Limber Pine but no spotting.
Is this fungal? What is…
I have small black spot and on twigs of my hornbeams that’s spreading and causing branch die back. I’m seeing similar tip die back on a nearby River Birch and Limber Pine but no spotting.
Is this fungal? What is…