8 Best chemical grub killers 2026 in the United States

Scotts GrubEx1 Season Long Grub Killer is designed to protect lawns from grubs for up to 4 months with one application. The key active ingredient is Chlorantraniliprole, known for effectively targeting grubs and other insects like caterpillars, chinchbugs, and beetles.

This product covers a substantial area of 5,000 sq. ft. per 14.35 lb. bag, making it suitable for medium to large lawns. The granular form makes it easy to apply with a spreader, ideally in the spring or early summer to preempt grub damage. This product is best suited for homeowners with significant lawn areas looking for a reliable, long-lasting solution to grub infestations.

BioAdvanced Season Long Grub Control is a ready-to-spread granular product designed to tackle a wide range of lawn-damaging insects, including grubs. The active ingredient, Lambda-cyhalothrin, is effective in killing over 40 types of insects both above and below the lawn surface. One of its notable strengths is its ability to provide season-long protection, making it a convenient option for long-term insect control without the need for frequent reapplication.

The product can cover up to 5,000 sq. ft., which is suitable for medium to large lawns, and can also be used as a barrier treatment around the lawn perimeter. This versatility adds to its appeal for homeowners looking to protect their lawns from various pests. However, users should be aware of certain drawbacks. While Lambda-cyhalothrin is effective, it is a synthetic chemical that can pose risks to pets and humans if not applied correctly. It's essential to follow the manufacturer's instructions carefully to minimize these risks.

Additionally, the environmental impact of synthetic chemicals should be considered; repeated use can affect beneficial insects and soil health. The granules are easy to spread, but ensuring even distribution can sometimes be challenging, potentially leading to uneven pest control.

The BioAdvanced 24 Hour Grub Killer Plus is designed to tackle grub infestations quickly by killing grubs within 24 hours. One of its strengths is its multiple insect-killing capability, as it also targets ants, ticks, billbugs, chinch bugs, crickets, cutworms, earwigs, and grasshoppers. This makes it a versatile choice for managing various lawn pests.

It covers a large area of up to 10,000 square feet, making it suitable for sizable lawns or gardens. The granule form ensures easy application across the lawn, and it is particularly effective when used at the first sign of grubs to prevent further lawn damage. The active ingredient, Trichlorfon, is potent, but users should handle it with care due to its chemical nature.

One downside is that it is not available for sale in California and Maine, which might be a limitation for residents of those states. Additionally, because the product is a chemical treatment, it may not be the best option for those seeking a more environmentally-friendly solution or those concerned about safety for pets and humans. This product is a good fit for homeowners looking for a quick and effective solution to grub and other insect issues in their lawns.