Ortho Weed B Gon Weed Killer for Lawns Plus Crabgrass Control Ready-Spray Hose End Attachment, 32-Ounce (Not Sold in HI, NY) Kills crabgrass, dandelions and other common lawn weeds Kills weeds to the roots Kills 200+ weeds Won't harm the lawn - Guaranteed (When used as directed) Starts working immediately Kills crabgrass, dandelions and other common lawn weeds Kills weeds to the roots Kills 200+ weeds Won't harm the lawn - Guaranteed (When used as directed) Starts working immediately