Like a Grinch with a grudge against holiday greenery, a fungus is targeting the Northwest's Christmas trees. That’s essentially the findings of new research exploring how climate change is affecting ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

Christmas tree prices continue to climb. Last year, U.S. customers paid an average of about $80 for a real tree, according to the National Christmas Tree Association. That was up from $70 in 2021 and ...

Christmas trees are grown at farms across the country that have to deal with the same weather, pest and disease pressures of any other crop. We meet a few upper Midwest Christmas tree growers. Trees ...