Sevin(carbaryl) is another potent insect killer. Spray the plant thoroughly with water or a homemade spray for roses after trimming. It works very well against the destructive Japanese beetle, and thrips, and sawflies. Keep children and pets away from the treated area until the spray has dried. Oz - Non GMO Certified - Unrefined - High Azadirachtin Content - 100% Neem Oil, Nothing Added or Removed - Leafshine, Pet Care, Skin Care, Hair Care, Bonide (BND442) - Eight Insect Control for Vegetable, Fruit, and Flower, Insecticide/Pesticide Concentrate (16 oz. Garden Safe brand also sells a concentrate – but be aware that this is very concentrated and likely to burn your plants if mixed incorrectly. The pesticide will also get rid of black spot, rust, and powdery mildew. I hope you will find the best fungicide for roses. How to Use Ortho® Rose & Flower Insect Killer Click here to view video. It is one of the best organic insecticidal soap sprays, and it is an OMRI and NOP listed product. Choosing the best insecticide for roses depends on the pest. It works better in potted indoor roses than outdoor rose bushes. Want to know the main difference between contact and systemic fungicide? Plant Protector-Designed for use on roses, flowers, houseplants, ornamental trees and shrubs, fruits, nuts, and vegetables in and around the home and home garden. This time, the weather remains cool, windless and the activity of plants is less. DO NOT spray when shade temperatures are near 30°C or higher. Moreover, read the label before use. Now you need the best fungicide for your roses that works instantly and this is the instant working powerful fungicide for you. Its powerful active ingredient, Acephate kills insects on contact, then it penetrates plant tissue for local systemic control. Actually the mode of action of fungicide depends on the active ingredient of the fungicide. A safe insecticide – also good for hair and skincare <