This is the weedkiller you should use to control weeds in the lawn, becuase it will not kill your grass. Weedscontrolled include cats ear, chamomiles, chickweed, clover, daisies, dandelion,docks, Onehunga weed, prickles and thistles. Apply in spring or autumn when weeds are growing vigorously. Do not apply after prolonged periods of dry weather, as you may burn the lawn. For best results do not mow the lawn for 7 days after spraying. Broadsword works slowly so effects may not be seen for up to 4 weeks.