A deadly fungal disease called oak wilt is threatening all red oaks and live oaks in North Texas. The disease has already killed entire stands of the trees in rural areas across the state. Use wound paint on all cut branches and wounds of susceptible oak species from Feb. 1 to June 1, to help prevent the disease. One arborist says homeowners should avoid pruning red oaks and live oaks between Feb. 15 and June 15, unless there is storm damage.
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