Expert Gardener Liquid Lawn Food Fertilizer & Weed Control, Ready-to-Spray, 32 oz., fertilizes your yard and controls weeds in one easy application. Use this weed control for Chickweed, Clover, Dandelion, Knotweed, Plantain, and most Broadleaf weeds. It can be used any time during the growing season when weeds are actively growing. Poor results may occur if spray is applied during drought or just before rain. After application do not water lawn within 24 hours after treatment. weight 2.6 lb.