Bonide Rose Shield is a great solution for insect and disease problems of roses, flowers, and landscape ornamentals. Active ingredients are Lambda-Cyhalothran, Thiamethoxam, Difenoconazole. Thiamethoxam is absorbed by the plant, and moves rapidly throughout, killing insects from within. Difenoconazole, a contact and systemic fungiside, works from within the plant as well, stopping existing and preventing new plant diseases. Lombda kills bugs on contact and by ingestion. Lasts up to 30 days and is rainproof in 60 minutes after application.