All-Natural lawn weed killer. Kills broadleaf weeds, not the lawn. Controls weeds, disease, moss, algae & lichens. See results in hours. Does not contain 2, 4-D. People and pets can re-enter treated area when spray is dry. Even works in cool weather (50F). Best applied in the Spring & Fall when temperatures are between 50F and 85F. Pint. Concentrate.