Add Yahoo as a preferred source to see more of our stories on Google. Galls are abnormal growths on a part of the plant. They can be caused by bacteria, insects, mites and fungi. They can be on any ...

It can be unnerving to find that the leaves of an oak or hackberry tree are as bumpy as a rock-covered seashore in late summer. Other trees’ leaves may break out in acne-like red spots or sport ...

Q: I noticed little fuzzy balls attached to some fallen oak leaves. Also, I keep picking up brown marble-size balls in the yard. They are not acorns. Do you know what they are? A: Odds are what's ...

When you look up into the bare branches of some oak trees at this time of year, you can see ball-shaped growths hanging there, looking almost like nature’s Christmas ornaments. These are galls. A gall ...

A.Galls are nodules that appear as a result of an insect, mite, fungal or bacterial irritation. Often they're the work of small wasps or other insects that lay eggs on the plant then use their ...