The Hemlock whistles softly to itself.”–Naturalist and botanist Donald Culross Peattite Known as the state tree of Pennsylvania, the backbone of the nineteenth century hide-tanning industry, and a ...

Hemlock woolly adelgid poses a significant threat to Eastern Hemlock trees in Michigan — an infestation can kill a large, otherwise healthy tree in less than a decade. Properties within 10 miles ...

Hemlock woolly adelgid poses a significant threat to Eastern Hemlock trees in Michigan — an infestation can kill a large, otherwise healthy tree in less than a decade. Properties within 10 miles of ...