COEUR D'ALENE, Idaho -- If you want to impress your friends with your tree knowledge on your next hike, check out the upcoming class from UI Extension Forestry. On April 26, The UI Extension Forestry, ...

Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during the last decade, costing billions in timber value, damaging infrastructure and ramping up wildfire danger.

When it comes to choosing the right fast-growing tree for year-round privacy, the iconic Douglas-fir (Pseudotsuga menziesii) Christmas tree may not be the first thing that comes to mind. Its fresh ...

MISSOULA - While pine beetles are devastating forests around Montana, some trees on Missoula mountains are turning red because of a different threat. Scientists say Douglas Fir Tussock moths and their ...

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 ...