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 ...

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 ...

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 PA Wilds region has so much beauty to explore including the Wilds Sonshine Factory in Kane along Route 6 The property ...

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 ...

The Eastern Hemlock is Pennsylvania’s state tree, and its wood is incredibly sought-after by construction companies and individuals looking to build houses. Temperatures over the last six winters have ...

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 ...

It’s a warm day in early June, and researcher Nicholas Dietschler is standing in front of an eastern hemlock sapling about a quarter of a mile up a steep ridge in New York’s Catskill Mountains. The ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...

The Penn State Extension office in Pittsburgh has been fielding daily phone calls from residents who discovered woolly adelgid on their native Eastern hemlocks. “The... A nasty tiny insect is sucking ...

MUSKEGON COUNTY, MI – Hemlock trees that are dying at an alarming rate at a Lake Michigan park are to get a second year of treatment for hemlock woolly adelgid. The deadly pest has infested Lake ...

The recent discovery of a population of spotted lanternflies in the Ithaca area is cause for concern because their potential to create havoc with both our agricultural crops and landscape. Yet for the ...