Q: My evergreen oak tree is more than 20 years old. Some of the leaves are turning yellow and dropping. While there is some new growth, it is not as vigorous as prior years. The tree is on drip ...

Q. We have a pin oak tree that is approximately 30 feet tall. On the north-facing side of the tree there are many wilted leaves, and there are many balls of strange growth. Pictures of the leaves and ...

Oak trees have been around for more than 50 million years, with individual trees easily living 1,000 years. One of the oldest oak trees in the U.S. is believed to be at least 2,624 years old. The ...

Although live oaks (Quercus virginiana) are considered evergreen because they hold onto their leaves through the winter, many live oaks drop most or all of their foliage at this time of year.

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 ...

Early fall is my favorite time of the year with crisp days, sunshine, and the splashes of color everywhere as the trees start ...

Jun. 21—ATHENS — "What's wrong with the leaves on my oak tree? Is my tree dying?" Over the past several weeks, University of Georgia Cooperative Extension offices across north Georgia have been ...

Howard Garrett Are your live oaks dropping leaves? Are they in trouble? Dropping leaves, yes. In trouble, probably not. Evergreen trees generally drop their leaves yearly, but usually in the spring ...

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 ...

Oak leaf blister is caused by a fungus that attacks most species of oaks found in Louisiana. It can be particularly bad when the weather is cool and wet. (LSU AgCenter photo) Oak leaf blister, a ...

Oak tatters has struck some oak trees in Iowa, Illinois and several other states. Oak tatters makes leaves appear lacy or “tattered,” hence the name. The condition primarily affects white oaks, bur ...

SPRINGFIELD, Mo. (KY3) - In a collaborative effort with the Missouri Department of Conservation (MDC) Forest Health Program, the MU Plant Diagnostic Clinic announced it will provide free testing ...