Galls are abnormal growths on the leaves and twigs of many plants. The oak trees in the Skiatook area have two kinds of galls, a leaf gall and a twig gall. Both are caused by tiny wasps. Galls provide ...

Q: My young serviceberry tree has lumpy, dark swellings on the twigs. When I checked my flowering plum tree, it looked worse, with the same symptoms. Is this a spreading disease, and how do I control ...

Gardening season is underway, and you may have questions. To ask one, simply go to the OSU Extension website, type it in and include the county where you live. A photo is very helpful. Q: Our oak tree ...

Your description suggests your shrub has galls. Insect and mite galls are common on trees and shrubs throughout the Chicago area and generally are nothing to be concerned about. Leaf galls rarely ...

This sounds to me like your witch hazels have galls. Insect and mite galls are common on trees and shrubs throughout the Chicago area and are generally nothing to be concerned about. Leaf galls rarely ...

If you’ve noticed unusual bumps that look like tiny “horns” or brown spots on the leaves of your oak tree this winter, you’re ...

Many people like to have some trees in their landscape. Our property has both white and pin oaks (a member of the red oak group). I recently saw an oak gall on a small pin oak. This is created when a ...

Q: We have oaks all around our property and it sounds like someone is popping corn in the woods when we walk out among the trees. When we investigated further we found these little brown “seeds” ...

Earlier this month my colleague, LyAnn Graff, brought in an interesting looking fuzz ball surrounding a thin leafy branch of a burr oak tree. It was about the size of a golf ball, but with red-tipped ...