Fall is your last chance to control broad leaf and viney weeds. TURF LINE Winterizer plus Dissolve Weed Killer will control dandelions, plantain, chickweed, buckhorn, and most other lawn weeds. The NPK analysis is specially designed for fall application. It encourages root development and thickens turf without excessive leaf growth. This enables the lawn to better withstand the rigors of winter for a beautiful weed-free spring lawn.WHEN TO USE: September Through Mid-November