The rapid decline of our largest and most prolific tree in the Pacific Northwest andmost important tree species to the ...

CORVALLIS, Ore. (KTVZ) – Increases in mortality among Douglas firs 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 ...

LANSING, MI – Michigan agricultural officials issued an interior quarantine for Missaukee County this week to slow the spread of an invasive pest insect called balsam woolly adelgid. The bug is a tiny ...

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 ...

Federal officials are enlisting arborists and other tree experts as they scramble to develop a plan to protect one of the world’s tallest non-redwood trees from losing a significant chunk of its ...

The future of an endemic tree and the ecosystem where it’s found depends, to a large extent, on stopping illegal logging and the expansion of avocado crops in southern Jalisco. The Colima fir tree ...

Add Yahoo as a preferred source to see more of our stories on Google. Eastern hemlock and balsam fir trees laden with snow in North Berwick, Maine. We had our first winter snow storm this past weekend ...

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during the last decade, costing billions in ...

Fraser fir is the classic Christmas tree — popular, shapely, with great needle retention and strong, silvery branches. It's the Cadillac of the cut-your-own tree lot. But what would it take to send ...