If hemlock trees on your property show signs of hemlock woolly adelgid infestation, now is a good time to plan for spring treatment of this invasive species. Hemlock woolly adelgid, native to Asia, is ...

In fact, the eastern hemlock makes up one-third of all of the trees in the Adirondacks. It has a profound impact on the ecosystems here. Chemicals called tannins in the bark of the eastern hemlock ...

The Michigan DNR urges residents to plan spring treatments for hemlock woolly adelgid infestations to protect trees from this ...