'Tis the season for sneezing and coughing — but in some cases, it may not be seasonal germs but the Christmas tree in your living room that's making you feel those symptoms. Sometimes referred to as ...

Armillaria ostoyae is a gnarly parasitic fungus with long black tentacles that spread out and attack vegetation. Not much was known about what makes fungus so hard to kill -- until now. A team of ...

WGN’s Tim Joyce dives into a pesky mold that’s affecting a viewer’s tree in their backyard, conditions that may mean your irises are a couple seasons away from blooming, and how to properly take care ...

TOLEDO, Ohio (WTVG) - If you have maple trees in your yard, you might have noticed the leaves changing colors, but not the way you may expect. Large black spots on the leaves are caused by a type of ...