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 ...

SPARTANBURG — For the eastern and Carolina hemlock, the prognosis was once dire. “I think 15 years ago, it was not clear that we would be able to save them,” said David Jenkins, a forest health ...

We had our first winter snow storm this past weekend, a nice change from the warmer than usual conditions across most of the country. Snow is an important part of our local ecosystems, the plants and ...

Eastern hemlock trees like these growing along Tracy Run in Allegheny National Forest are considered "keystone species" — meaning, they play fundamental roles stabilizing the forest ecology. The U.S.

Are you a hiker or a biker? A discoverer or outdoor lover? This is your chance to make a big impact on Tennessee's trails. Adventure Scientists is looking for volunteers to take part in its new ...

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 ...

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 ...