Protects your lawn from fire ants for 6 months. Kills mounds in 15 minutes. Keeps new mounds from forming. Treats up to 5000 sq ft. Step 2 of the Ortho Fire Ant 2-Step Treatment Method. Kills fly-in queens. Apply in spring and late summer for year-long control. Starts killing fire ant mounds in minutes. Treat the entire lawn area for fire ant control.