Galls cause worry for tree owners each year, but in truth, most of these odd-shaped growths are more of a curiosity than a concern. This is the time of year people frequently begin to notice galls on ...

“What is causing these lumps (above) on my live oaks?” asks Birds & Blooms reader Katherine Gerritsen of Grand Cane, Louisiana. Horticultural expert Melinda Myers says, “Abnormal growths on a variety ...

We have had numerous calls and samples about funny looking "bumps" on the leaves of oak trees. These growths are known as galls, and alarming as they may seem, they do not injure the plant. Galls are ...

As mentioned in the previous garden update, galls that form on tree leaves rarely cause much in the way of tree stress. But there are also galls that form on other parts of trees. In most cases, gall ...

CUTLINES - Q: My pin oak tree has lumpy growth on the limbs that someone said were galls. What should I do about this? I don't want to lose my tree. C. B. TulsaA: Oak tree galls come in many forms, ...

What are these blister-like things on the leaves of my oak tree? Will it harm them? P.T., Tulsa The structure on your leaves is a common oak leaf gall and will not harm a mature tree. Galls are ...

Something I've had a lot of questions about lately is wasps. Specifically, wasps that are flying around trees in large numbers. One of the things that I wonder when somebody asks me about wasps is, ...

You’re admiring the stalwart limbs and sculpted leaves of your handsome oak tree, and suddenly you see them: warty bulges clustered along the branches like bunches of freaky grapes. There’s no need to ...

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 ...

Galls cause worry for tree owners each year, but in truth, most of these odd-shaped growths are more of a curiosity than concern. Galls have long been a part of tree life in Missouri and elsewhere in ...