According to the Texas Forest Service, in early spring the beetles that spread.
Later that was expanded to say that we could prune once the fungal mats became inactive in mid-summer’s really hot weather and all the way through fall and winter. So now we could say that the safest time to prune oaks would begin in mid-July and extend through mid-February (early February in South Texas), and the time to avoid would be just the inverse: mid-February (early February in South Texas) through Estimated Reading Time: 1 min.
Nov 23, Prune in summer or winter to prevent the contamination of your oak tree by the oak wilt fungus. Prune the oak prudently- don’t overdo and take off more than 25 percent of the tree’s branches. Enjoy a beautiful oak tree for many years to come!
Contact San Antonio Tree Surgeons if you have any questions or if you would like to set up a estimate. Pruning paint may, in fact, slow down the healing process.
In general, wound dressings are not recommended or necessary, with one exception.
Excessive pruning at transplanting reduces leaf area, which decreases the amount of plant energy generated which are needed to create a healthy root system.
On oak trees in areas of Texas where the oak wilt disease is prevalent, wound dressing should be used to help prevent the bark beetle from spreading the disease through the pruned surface on a tree. Jan 20, Remember, when pruning any tree, it is important to properly clean your tools with alcohol or bleach between cuts. Pruning during the winter months will give the tree time to heal the wound before the fungus is able to be transmitted.
Another form of prevention is checking your oak trees (if you have several in close proximity). They grow quickly when young and can live for hundreds of years.
They're called"live oaks" because their leaves stay green during winter when other deciduous trees have bare branches.

You can prune a live oak tree yourself, but prune sparingly. They generally don't need a lot of pruning and are slow to recover if pruned excessively.
And this was six days ago!
Oct 09, Live oaks, types of evergreen oak trees that grow into wonderful shade trees, are best planted in the late fall and winter. They are best bought as young trees in 3- to gallon containers, according to LSU AgCenter, then transplanted into the landscape.
Sep 30, With all these choices, it's easy to find an oak that can work well in your landscape. The nineteen species of oaks native to Florida include many of our most common and attractive trees, like Shumard and live oaks. These trees provide valuable wildlife.