The idea of trees "talking" to one another through underground fungal networks—the so-called "wood wide web"—has captured the ...

Fraser fir is a beloved type of Christmas tree that also offers privacy, beauty, and wildlife value to gardens.

John Tillman owns Tillman Christmas Trees and has acres of Noble, Nordmann, Fraser, Korean and Douglas fir trees covering his farms in Western Washington.

The choice some gardeners face, between leaving soil structure and its ecosystem intact and disturbing it to remove tree roots is a no-win situation.

Fir trees in Oregon and Washington died in record-breaking numbers in 2022, according to as-yet unpublished research conducted by the U.S. Forest Service.

Fir trees in Oregon and Washington died in record-breaking numbers in 2022, according to as-yet unpublished research conducted by the U.S. Forest Service.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 researchers ...

Filaments of fungi intertwine with the tips of tree roots to form underground networks that seem to benefit both organisms: the filaments, called hyphae, break down minerals in the soil that trees ...

North Carolina's Fraser fir is a popular Christmas tree, but it's under threat from disease and scientists are racing to try to save it.

Douglas fir trees around Ashland are dying in the thousands. It’s one example of how our changing climate is affecting forests in the region.

While artificial Christmas trees might be the popular choice during the holiday season, nothing beats the smell of a fresh balsam fir. But new research out of the University of New Brunswick shows ...

The weather in New Hampshire’s White Mountains has, over millennia, created forests that are specifically suited to extreme weather conditions.