• Promotes a quicker spring green-up
• Promotes stronger, deeper root systems
• For a thick, green lawn this fall and quicker green-up next spring

Why Winterize? Winterizer and Winterizer Weed & Feed products give you all the benefits of a regular lawn fertilizer, plus the added benefit of extra potassium to promote winter hardiness. In addition, Winterizers encourage root growth, promote early Spring greening, thick healthy grass, and improve disease resistance. Winterizer Weed & Feed products give you all the advantages of the Winterizer fertilizer, plus the benefit of weed control of broadleaf weeds.