Browning Hemlock

A healthy hemlock has now turned brown. I don’t see evidence of woolly adelgid. The tree is one of three hemlocks and is the only one turning brown. I have attached several photos. Further, the entire tree is brown and…

Hemlock woolly adelgid

What is Hemlock woolly adelgid? What are the initial signs of infection? Are there any treatment options if I find out that my hemlocks are infected?…