Fertilome Dusting Sulfur Is An Insecticide/Fungicide That May Be Used As A Powder Or Spray. Fights disease and insects. Control Black Spot, Brown Canker, Leaf Spot, Powdery Mildew, Thrips and Mites on Roses, shrubs, flowers and ornamentals. Use as a fungicide on vegetables. Use as a fungicide and insecticide on fruits. Repeat every seven days while problem is present. Do not re-enter treated areas for at least 24 hrs. May dust entire lawn for chiggers. 2 Lbs.