With so many varieties sold as Christmas trees, knowing what differentiates a Douglas fir from a Norway spruce is key to shopping for a real tree you’ll love. You’re likely to see more than one ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Balsam Fir. This species is found in the North Woods of Northern Wisconsin and the Upper Peninsula of Michigan.

Increases in mortality among Douglas-fir in the Klamath Mountains are the result of multiple factors that have the iconic tree in a "decline spiral" in parts of the region, a new study by the Oregon ...