Brunnings Bindii Kill for Lawns selectively kills Bindii, Clovers and most other broadleaf weeds in one easy hose-on application, not lawns. Features Absorbed by the leaf and moves through the weed to the roots. Works by forcing the weed into an excessive and disordered growth pattern which results in weeds yellowing, curling and dying. Weeds are killed slowly over a period of 3 - 4 weeks. For best results apply when weeds are actively growing.