Symptoms in Red Oaks
100% mortality
Tree turns brown very rapidly, usually within 2-6 weeks
Leaves wilt, turn brown from margins inward, may appear dry
Leaves at the tip of the branch may wilt first
Difficult to distinguish from normal leaf drop in autumn
After death of tree, wood may form fungal mats (spore-producing structures) under bark
Note: Red oaks may not be planted in Lakeway. See Lakeway Oak Wilt Ordinances or Section 24.02.402 of the Lakeway Code of Ordinances for more