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How to Kill Ants in the Lawn

By Bridget Kelly ; Updated September 21, 2017
Removing the ant hill is the first step.

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.

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

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

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

 

Things You Will Need

  • Rake
  • Liquid insecticide (labeled for ant control)

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.

About the Author

 

Based in the American Southwest, Bridget Kelly has been writing about gardening and real estate since 2005. Her articles have appeared at Trulia.com, SFGate.com, GardenGuides.com, RE/MAX.com, MarketLeader.com, RealEstate.com, USAToday.com and in "Chicago Agent" magazine, to name a few. She holds a Bachelor of Arts in English with a concentration in creative writing.