10 Best Ant Killers For Lawns 2025 in the United States

The TERRO T901SR Ant Killer Plus Multi-Purpose Insect Control is a granular ant killer designed for outdoor use. It comes in two convenient shaker bags, making it easy to apply without needing a spreader. This product is effective against a variety of insects, including fire ants, cockroaches, and fleas, with fast-acting granules that begin working within 24 hours.

The granules can be used around house foundations as a preventative measure or as a spot treatment directly on ant hills, providing flexibility in application methods. Each bag weighs 3.2 pounds, and the packaging is resealable to maintain effectiveness over time. One of the main advantages is its ease of use and versatility in application, making it suitable for various outdoor areas.

It is essential to consider the safety for pets and children, as the active ingredients can be harmful if ingested or improperly handled. Additionally, users should be mindful of the environmental impact, as chemical granules can affect local ecosystems. This ant killer would be a good fit for homeowners looking for a convenient, multi-purpose insect control solution for their lawns and surrounding areas.

The TERRO T1813B Outdoor Ready-to-Use Liquid Ant Bait Stake Killer Trap offers a convenient solution for tackling common household ants in your lawn. It utilizes bait stakes that attract and kill various types of sweet-eating ants, such as acrobat, crazy, ghost, little black, odorous house, and pavement ants. The active ingredients work quickly, with a noticeable reduction in ant activity within a few days.

These bait stakes are ready to use, requiring you only to insert them into the ground and cut the tab to activate them. With 12 stakes included, it can cover a sizable area and effectively target ants before they enter your home. The product is designed for outdoor use, making it suitable for placement in gardens, yards, and other outdoor spaces where ants are commonly seen.

The Ortho Fire Ant Killer Broadcast Granules is a potent option for those struggling with fire ant infestations in their lawns. It utilizes granules that can be easily applied using a drop or broadcast spreader, offering convenience in application. One of its most notable strengths is its quick action, killing fire ant mounds within 15 minutes, allowing users to resume enjoying their lawns soon after treatment.

Additionally, it provides up to 6 months of protection, effectively preventing new mounds from forming and targeting fly-in queens. This makes it a long-lasting solution for lawn care and fire ant management. The product treats a substantial area of up to 5,000 sq. ft., making it suitable for large lawns.

Users should be mindful of its environmental impact and ensure they follow application guidelines for safe use around pets and children. The necessity of using it as part of a two-step system might be slightly inconvenient, as it requires an additional product to destroy existing mounds before applying the granules. Despite this, the product ranks high in both the Patio, Lawn & Garden and Weed Killers categories, reflecting its effectiveness and popularity.