A person is considered to have Christmas tree syndrome when they experience typical allergy symptoms like a runny nose, congestion and sneezing when around their real or fake tree that could take ...

Experts say "Christmas Tree Syndrome" isn't a reaction to the tree itself, but to weed pollen and mold spores collecting on it. Here's what to know about reducing the risk of symptoms.

Christmas tree farms can function much like young forests, said Andy Finton, a forest ecologist with the Nature Conservancy in Massachusetts.