How to Kill Ants in the Lawn


Ants don't cause major damage to lawns, according to entomologists with Penn State University. These little creatures can actually be beneficial to the home landscape because they aerate the soil and some types feed on other, more harmful pests. Ant hills can become an annoyance, though, when they proliferate and cause the soil under the turf to loosen. If they get large enough, ant hills can smother and kill the grass beneath them. Frequent spot treating is the best course of action.

Step 1

Rake any ant hills on the surface of the grass. Completely flatten them.

Step 2

Pour insecticide, at the rate suggested on the package, over the mound area.

Step 3

Water the entire lawn to allow the insecticide to sink into the soil.

Tips and Warnings

  • Keep children and pets away from the treated area until the grass has dried. Wear gloves while handling insecticides. Carefully follow instructions on the insecticide label.

Things You'll Need

  • Rake
  • Liquid insecticide (labeled for ant control)


  • Penn State University: Ants in Home Lawns
  • Iowa State University: Ants in Lawns
Keywords: kill ants lawn, lawn ants, get rid of ants

About this Author

Victoria Hunter, a former broadcaster and real estate agent, has provided audio and written services to both small businesses and large corporations, worldwide. Hunter is a freelance writer specializing in the real estate industry. She devotes her spare time to her other passions: gardening and cooking. Hunter holds a Bachelor of Arts in English/creative writing.