Preen Natural Vegetable Garden Weed Preventer

Preen Natural Vegetable Garden Weed Preventer is made of 100% corn gluten meal and prevents dandelions, clover, crabgrass, foxtail, plantain and other common weeds in fruit, vegetable, herb and landscape beds. It will not kill existing weeds; apply every four weeks for best results. Children and pets can play in the area right after application. The 5 lb. bottle has a flip-top applicator cap and covers 250 sq. ft.