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 ...

One of my favorite winter trees is the Eastern hemlock (Tsuga canadensis). I grew up with a grove behind my house and loved to climb as high as possible and look down over the roof of my house and ...

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 ...

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 ...

Eastern hemlock trees are a vital foundation species in Pennsylvania forests, supporting the ecosystem and enhancing aesthetics. The hemlock woolly adelgid (HWA), an invasive insect, poses a serious ...