Shop for Garden Center at The Home Depot. EcoSmart 10 lb. Organic Insect Killer Granules for Lawns and Landscapes is an environmentally safe way to kill and repel over 100 insects. It kills on contact and treats up to 5,000 sq. ft. to protect your family from pests like ticks and ants. It is non-toxic, so it is safe to use around children and pets.