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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Round, white hemlock woolly adelgid ovisacs are found on the undersides of branches near the base of the needles. (Michigan Department of Natural Resources) The Michigan Department of Natural ...

Cold winters are key to curbing an invasive pest that’s depleted Eastern hemlock trees for decades in Connecticut. Warm winters, fueled in part by climate change, allow these insects to spread — but a ...

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 ...