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Slowly wipe out ants with diatomaceous earthĭiatomaceous earth is another gardener's friend that offers natural pest control, much like nematodes. ‘This approach helps kill the ants and disrupts their colonies.’ 4. ‘One effective method is to mix an insecticidal concentrate with water and apply it directly to the ant nests,’ he adds. Take care to protect beneficial insects and follow safety guidelines to minimize environmental impact.

Apply the insecticide around the nest or along the ant trails. ‘Look for insecticides labeled for ant control, such as Raid, available at Amazon, and follow the instructions carefully. Whether you make a homemade bug spray or purchase a commercial insecticide, you can target ants' nests in a lawn without damaging your grass's roots with a spray, suggests Gene Caballero, lawn care expert. Use a dedicated insecticidal treatment to target pests and not grass now, he is a dedicated horticulturalist and shares his knowledge through is blog, Yard and gardening Guru. Tim Graham has a true green thumb, and has been gardening since he was a young child.