COTINUS DISEASES
COTINUS DISEASES
Leaf spots can be caused by various genera of fungi but are usually not serious. Spray with basic copper.
Scab may cause leaf drop. No controls are listed for scab caused by Venturia inequalis on this host.
The most serious disease is Verticillium wilt. Smoke tree is very susceptible, and entire branches wilt and die. Prune out infected branches, and fertilize and water the plant during dry weather.