Oak wilt is one of the most serious threats to Texas live oaks. Knowing the warning signs, and when not to prune, is the best protection. Here is what San Antonio homeowners need to know.
Oak wilt is a fungal disease that attacks the water-conducting system of oak trees. Live oaks, common across Bexar County, can die within weeks to months of showing symptoms.
These are general guidelines for Central Texas. Your tree's situation may differ, so ask us at your free estimate.
The safest time to prune live oaks. Beetle activity is low and cuts have time to heal before spring.
High-risk window. Avoid pruning healthy live oaks unless it is an emergency, and seal any cut right away.
Lower risk, but watch for leaf drop and thinning canopies. Report suspicious oaks early.
Generally good for planned pruning once the risky season has passed. Plan jobs ahead of spring.
Proper cuts, proper timing, and clean practices help keep your oaks healthy.
We plan live oak pruning around the high-risk window whenever we can.
When an oak must be cut during the risky season, we seal fresh wounds immediately.
If we are not sure a tree is healthy, we say so and point you toward the right testing.
$2 million in general liability coverage on every job, with a free written estimate first.
It is best to avoid pruning healthy live oaks from roughly February through June because fresh wounds can attract beetles that carry the fungus. If a cut cannot wait, seal the wound immediately.
Rapid leaf discoloration and drop in a live oak, especially in summer, are common signs. Only a lab test can confirm oak wilt, so ask us for guidance.
In some cases, options such as trenching to cut root connections or preventive fungicide treatment are used. These are specialized services. We will explain what is possible for your trees.
Avoid moving firewood or debris from affected oaks to other locations. Ask us how to handle removal safely.
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