PORTLAND — Fir trees in Oregon and Washington died in record-breaking numbers in 2022, according to as-yet-unpublished research conducted by the U.S. Forest Service. Called “Firmageddon” by ...

As you looked out the windows of your house this winter at all the dormant and barren deciduous trees in your landscape, perhaps you thought that a little green would be a nice addition this year. But ...

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 ...

German researchers are studying using an overhead solar PV system, designed to be removable and reusable, as a sunshade for young fir trees. The pilot, located at a quartz sand excavation site, will ...

A Christmas tree from Schuylkill County was voted the grand champion tree at this year’s Pennsylvania Farm Show, meaning the ...

There’s nothing like a freshly cut fir tree aglow in the house to signify the start of the Christmas season. Whether your family opts for white lights or colored, chooses an annual decor theme or ...