The Pennsylvania legislature designated the eastern hemlock the official state tree on June 22, 1931.This tree thrives in cool, moist sites. It occupies steep north- or east-facing slopes in southern ...

A new study finds that creating physical gaps in the forest canopy give eastern hemlocks more access to resources and help those trees withstand infestation by an invasive insect. The approach adds ...

Add Yahoo as a preferred source to see more of our stories on Google. Eastern hemlock and balsam fir trees laden with snow in North Berwick, Maine. We had our first winter snow storm this past weekend ...

As the climate warms, New England forest species face increasing threats of changing temperature, precipitation and invasive threats. Associate professor of American environmental studies Brian ...

Creating physical gaps in the forest canopy helps eastern hemlocks withstand infestation by an invasive insect, a study finds. Eastern hemlocks are an ecologically important tree species found from ...

Eastern hemlock trees do not do well in an urban environment and have a very low tolerance for polluted air and salt damage from roadways. It needs to be in a sheltered location protected from drying ...

Add Yahoo as a preferred source to see more of our stories on Google. Hemlock wooly adelgids - tiny insects that suck the life out of Eastern hemlocks - can be killed when the temperature drops below ...

When the hills and valleys are filled with snow and the icy grip of Old Man Winter continues its reign throughout the land, there are still beautiful swaths of green to be found. Hemlocks are a ...

MUSKEGON COUNTY, MI - A massive effort has been mobilized to save eastern hemlock trees from an adelgid, known by its initials HWA (Hemlock Woolly Adelgid). Since the current infestation in Michigan ...

Pennsylvania's state tree is the eastern hemlock. Its scientific name is "Tsuga canadensis."The eastern hemlock was named the state tree in 1931.These trees are slow-growing and long-lived, taking 250 ...

Creating physical gaps in the forest canopy give eastern hemlocks more access to resources and help those trees withstand infestation by an invasive insect. A new study finds that creating physical ...

As temperatures plunge, Carole Cheah's spirits rise. Her nemesis is being iced. Cheah, an assistant agricultural scientist with the Connecticut Agricultural Experiment Station, has spent more than 30 ...