Sedgehammer herbicide is a water dispersable granule formulation used to kill and remove Nutgrass and Mullumbimby couch without affecting your lawn. Sedgehammer can be safely used on lawn varieties including bent grass, buffalo, couch, kikuyu, perennial ryegrass, QLD Blue couch and Tall fescue.
How to use:
Apply at a rate of 1.3g (measuring spoon included) per 9L of water to treat an area of 100m square. Apply in Spring or Summer when he Nutgrass leaf growth is greater than 5cm, or when Mullumbimby couch leaf growth is greater than 2cm. To obtain best results, apply when weeds are actively growing. With mature Nutgrass plants or high populations, repeat applications may be required.
750g/kg Halosulfuron methyl