Jessica Jones, an arborist with San Antonio Tree Surgeons, said the best way to identify oak wilt is by examining the leaves of a live oak. Jones said the leaves are the last symptom and sometimes ...

Texans can help prevent the spread of oak wilt by avoiding pruning or wounding oak trees from February through June.

Oak wilt is one of the deadliest tree diseases in the United States, killing millions of trees across 76 Texas counties.