Preen Garden Weed Preventer

Preen Garden Weed Preventer stops new weeds from growing for three months and can be used around more than 200 established flowers, vegetables, trees and shrubs. It stops weed seeds from germinating but does not kill existing weeds, and it is not for use on lawns. The 5.625 lb. bottle has a flip-top applicator cap and covers 900 sq. ft.