Our Complete Lawn Feed, Weed and Moss Killer is an all in one lawn treatment. It nourishes grass, kills most common broad leaved weeds and controls moss. It can be used any time between May and August when grass and weeds are actively growing. Choose a time when the soil is moist and the grass is dry. Do not apply during drought or freezing conditions. Always read the label. Warning: Keep away from food, drink and animal feed. Wash hands and exposed skin after use. Keep away from children and pets.