Preen® 24-63795 Garden Weed Preventer, 5.625 Lbs, Covers Upto 900 Sq.Ft.Stop weeds before they start. Preen Weed Preventer stops weeds from germinating in flower and vegetable gardens, in ground covers and around trees and shrubs. Preen will not kill existing weeds. It will prevent new weeds from sprouting eliminating the need for difficult and time consuming hand weeding. Without weeds, your valuable plants can grow larger and stronger. 5. 625 lbs Covers upto 900 square feet Stops weeds before they start Your beds will