Gerba Daisy Plants Have White Fungus On Leaves

Question From: B. Watkins - San Diego, California, United States
Q: I have big GERBA Daisy plants and they are developing a white type fungus on the leaves. What do i use to combat this problem??

A: Your plant has powdery mildew and should be sprayed with a fungicide. Be sure to spray the underside of the leaves. Best and Happy Yardening, Nancy.