Add Yahoo as a preferred source to see more of our stories on Google. A house, shaded by large trees. - Alex Potemkin/Getty Images When it comes to choosing the right fast-growing tree for year-round ...

The Douglas fir is iconic in Oregon. It’s the state tree and it's on most license plates. But one group is trying to save ...

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 ...