Weedol® Lawn Weedkiller (Liquid Concentrate) is a systemic weedkiller. It is an easy mix concentrate liquid and kills weeds to the roots. Use April - September Weedol® Lawn Weedkiller (Liquid Concentrate) is a selective weedkiller that controls most common broad-leaved lawn weeds without harming the grass. Weedol® Lawn Weedkiller (Liquid Concentrate) kills problem weeds such as white clover, black medick, lesser trefoil, daisy, dandelion, plantain and common mouse-ear. Requires one treatment per year. Ideal for spot treatment or treating small patches of weeds within the lawn. How to use Shake well before use and use immediately. Use either: watering can with a fine rose, or garden sprayer. Dilute as per the instructions on back of pack. Direct away from ponds and other surface water bodies. Wash out sprayer or watering can thoroughly after use. For best results do not mow for 3 days before or after treatment. Avoid spraying in drought or frost. For new lawns treat in the spring at least 2 months after sowing or laying turf. The new lawn must be growing well. Keep children and pets away from treated area until spray has dried. Where to use Use on all established lawns and grassy areas. How often to apply One treatment controls most common broad-leaved lawn weeds in one annual application without harming the grass. Cautions Avoid spray coming into contact with cultivated plants. After treatment, leave the clippings from the first mowing on the lawn. The next three mowings should be composted well, for at least 9 months, before being used as a mulch. Use weed killer products safely. Always read the label and product information before use.