Oak Wilt

Leaves showing typical symptoms of oak wilt in summer.

Description: Vascular disease causing dieback, decline, and death of oak trees.

Trees Affected: All oak varieties, but red oak family is most susceptible

What to look for: Browning leaves, falling leaves, staining of cambium just under bark

Treatment Options: Preventive fungicide trunk injections for red and pin oak. Therapeutic fungicide trunk injections are possible for bur and white oak only. Prune out diseased limbs (white and bur oak only) Remove and dispose diseased trees. Trenching to disrupt root grafted oaks.