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 ...

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 ...

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 ...

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.

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 ...

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 ...

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 ...