Our hemlocks lack natural resistance to HWA, and HWA does not have natural predators in our country to keep its populations under control. All homeowners with hemlocks on their property need to be ...

In the lush, verdant forests of Pennsylvania, one tree stands as a sentinel of the state’s rich natural heritage: the Eastern ...

While many conifer trees prefer full sun, some, including Canada hemlock (Tsuga canadensis), can thrive in shade. Others, like the ponderosa pine (Pinus ponderosa), even grow well in clay-heavy ...