If you spend enough time looking at and working with plants, you’ll inevitably come across galls. Galls are abnormal growths and can be caused by a variety of different organisms, including insects ...

Dear Reader: These are galls that have resulted from the stings of the tree tissue by a small wasp as she lays her eggs in the current season’s growth. Oaks are host plants to scores of different ...

Persisting in the winter months as ball-shaped shells on oak trees, galls, which are considered an eyesore by landscapers in the summer months, appear as a sort of curiosity in winter. What are these ...

Q: My red oak is about 10 years old. Some of the leaves are starting to look distressed, so I looked closely. I noticed small red ants climbing up and down the trunk, almost as if they are harvesting ...

Q. My oak tree has these marble-sized growths on some of the limbs which I am told are galls. What can I do about them? A. Nature creates many amazing things, and plant galls are among the most unique ...