Ohio and Pennsylvania programs aim to stop the spread of the invasive Callery pear tree, which has taken over the two states and threatens native species.

There's a new invasive plant in Ohio's sights. And like the Bradford pear before it, Ohio is now targeting the common privet.

If you're thinking of adding a street tree out front, Penn State urban forester Vincent Cotrone has some recommendations.

The reasons you may need to prune a sweetgum tree can include health, safety, clearance, aesthetics, and structural integrity ...

If you’re adding a tree in the coming weeks, here’s a seven-step rundown on the current, generally accepted process used by ...