Fast acting weed and grass killer that is effective on all types of weeds and grasses. Absorbs on contact and starts working immediately. Ideal for use on patios, walkways, driveways, landscape beds, and under trees. Apply anytime of year when weeds are small and actively growing. Apply directly to the weeds, kills down to the root. Active ingredients: Diquat dibromide, Fluazifor-P-Butyl, FspecDicamba, Dimethylamine salt.