Pennington Ultragreen Weed and Feed is a premium blended fertilizer is packed with ESSENTIAL PLANT NUTRIENTS to give you the thick, green lawn you desire. It has both fast acting nitrogen for QUICK GREENING, as well as slow release nitrogen for extended FEEDING FOR UP TO 3 MONTHS. With 5% IRON this fertilizer will give you a deep, dark green lawn. This fertilizer comes with a high performance Weed Killer that controls over 250 weeds. This bag covers 12,500 sq. ft.