Oak galls are popping up everywhere this fall! They're the tiny, fuzzy yellow or brown balls on oak leaves and branches. You could spot one or two, then dozens around the same tree. Oak galls are ...

White oak leaves and marble-sized galls. Galls are growths on plants caused by invasions of parasites, viruses, fungi and bacteria -- making galls centers of activity for both attacks on a plant's ...

Q: A squirrel must have planted a bur oak acorn in one of our pots last year ... and you can usually see knotty galls on their roots. In that case, replacing the soil might be your best choice.