Many coast live oak (Quercus agrifolia) trees are showing unusual browning in their canopies in the last month or two. If you look carefully, you may see small, crescent-shaped galls forming on the ...

ST. LOUIS — The next time you're outside in your neighborhood, look up. Among the branches of oak trees across Missouri, people are noticing more growths than before. They're called galls, and they're ...

MISSOURI (KSNF/KODE) — University of Missouri Extension’s Plant Diagnostic Clinic, in partnership with the Missouri Department of Conservation (MDC), is offering free testing for all common oak tree ...

We moved last year and we have a new place with more trees! Trees are an important feature for us. Our new location has two and a half acres. We have five maples and 12 red oaks! We enjoy walking ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS – A giant force of nature is ...

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 ...

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 ...

Over the past few years, we've seen quite an increase in the number of oak trees affected by oak gall. These galls are roundish, very hard growths that surround the twig of several types of oaks ...

NORTHERN MICHIGAN (WPBN/WGTU) -- One of the most common trees found across northern Michigan is at high risk for disease from now until mid-July. We look at why red oaks are more prone to disease now ...

Residents of Leon and Wakulla counties may be noticing dead or dying laurel oaks in yards or along the roads. If you look at these trees carefully, you will see round, wooden balls on the twigs and ...

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 ...