Stop fire ants from taking over your lawn with Ortho Orthene Fire Ant Killer1. This easy-to-apply product destroys the mound and kills the queen. Plus, this pest control product begins killing in 60 min, so you can get your yard back fast. Use it as a mound treatment for home lawns and around ornamental plants including flowers, shrubs and trees. To apply, simply sprinkle powder over the mound. Follow label instructions to determine how much product is needed based on mound size. This product does not need to be watered in and can be applied anytime you see a new mound forming. For excellent results, apply product while ants are active. One 12 oz bottle of Ortho Orthene Fire Ant Killer1 treats up to 162 mounds. To keep fire ants at bay, use as part of the Ortho two-Step System with Ortho Fire Ant Killer Broadcast Granules (sold separately) as a second step to prevent new mounds from forming for up to 6 months.