The best time to treat lawn weeds is between April-September when the weeds are actively growing on a dry calm day. Avoid mowing for 3 days before and after spraying. Application can be made using a watering can with a fine rose, or garden sprayer. Keep children and pets away from treated area until spray has dried. Kills problem weeds such as white clover, black medick, lesser trefoil, daisy, dandelion, plantain and common mouse-ear. Contains: fluroxpyr, clopyralid and MCPA. This 500ml bottle will cover up to 333m2.