BioAdvanced All-in-One Rose and Flower Plant Spray protects your roses and other plants from damage done by Aphids, Japanese Beetles and other listed pests. It also works to kill and control diseases such as Black Spot, Leaf Spot, and Powdery Mildew. All-In-One Rose and Flower Plant Spray provides 3-way action - kills existing pests, forms protective barrier on outside of plant, and is absorbed into the plant regardless of weather conditions.