Anyone knows what are the white spots on my Azaleas and Irises
• United States
27 Jun 07
Does it look like someone took powdered milk and splashed it on the plants and then it dried? If that is what it looks like then it is definitely a fungus. Hopefully a spray will take care of it. I own a landscaping company and what I encounter in my area the most are Azaleas, Rhododendrons, Mt. Laurels, Dogwoods and Roses with this problem. But I am sure the Iris is a potential candidate. If you have to resort to the systemic fungicide DO NOT use it around stuff you are going to eat like tomato plants, peppers, lettuce, etc...