Spectracide Grub Stop for Lawns kills grubs and other lawn-destroying insects as listed, including armyworms, cutworms, larvae of billbugs and larvae of Japanese beetles. Apply these granules anytime in the spring or fall to control listed pests all season long. Use as a preventative measure or to control existing infestations on or around lawns, landscapes, ornamental trees and shrubs, flowers and ground covers. This powerful formula also promotes root growth as it protects your lawn. A 9.2-lb bag treats up to 4,000 square feet. These granules are easy to use with a gravity or rotary type spreader. Read the label completely and follow all directions and precautions. Thorough coverage is important. Water in granules immediately after application. People and pets may reenter the treated area after the product has been watered in and allowed to dry.Restricted in CA, HI, and NY