Each year in late spring and early summer, homeowners begin noticing strange growths on the leaves or stems and are concerned for the health of their trees. Several different types of galls are common ...

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 ...

‘I have some weird, seemingly hollow, green, round balls falling from my oak tree. What in the world are these things?” — S.Y. You are describing an interesting growth that can occur on a variety of ...

Q : The attached photo is of a 32-inch red mulberry grown from a 6-inch bare-root seedling last spring. I am now going to plant it onto a preserve where it will get scant support over summer. I am ...

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 ...

Galls are structures made up of plant tissue, forming in response to the saliva of mites or small insects as they feed. The number and variety of galls found on trees in our landscapes are closely ...

Hundreds of species of small wasps called gall wasps live in the forests of North America. Hundreds more species of them are spread worldwide. In Southeast Missouri oak trees are a favorite host plant ...

Question. My oak tree has woody growths on the limbs. Should I be concerned? Answer. You have spotted the handy work of quite small insects or mites. Oaks, especially the live oaks, seem to be ...

Each year in late spring and early summer, homeowners begin noticing strange growths on the leaves or stems and are concerned for the health of their trees. Several different types of galls are common ...