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 ...

The Eastern Hemlock is the state’s tree and was designated as such in 1931. However, back in 1896, Dr. Joseph T. Rothrock, who has been called the father of Pennsylvania […] ...

With less than a year until the 250th anniversary of America, here's what the Commonwealth of Pennsylvania has in store for ...

Clue: Pennsylvania state tree. Pennsylvania’s state tree honors its contributions to the state economy: At the height of the lumber industry in the 1890s, the state’s forests delivered more ...

The situation is particularly crucial in Pennsylvania, which has more miles of stream than any state in the lower 48. It also has at least 15,000 miles of wild trout streams and nearly 5,000 miles ...

In Pa., climate change threatens the state tree, bird and fish. Work is under way to help the native species. Experts say climate change is fueling and favoring the growth of invasive species—in many ...

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 ...