These pin oaks are shedding leaves, and large parts of some of them have leaves that look white from the ground. The culprit is scarlet...

This weeping willow in Harleysville has adult imported willow leaf beetles feeding on its leaves. They won’t cause much damage. But the...

The way this client found me is a little bit strange. He found my website by googling “bacterial leaf scorch” (I have articles posted...