ScottBall_OakWilt_Trees_HollywoodPark_Horticulture_Disease_Plant_Species_3-10-2016-3

Where the oaks with green leaves start up again, that’s oak wilt’s line of demarcation. Those healthy trees are next. Photo by Scott Ball.

Where the oaks with green leaves start up again, that’s oak wilt’s line of demarcation. Those healthy trees are next. Photo by Scott Ball.

Where the oaks with green leaves start up again, that’s oak wilt’s line of demarcation. Those healthy trees are next. Photo by Scott Ball.