10 Best Lawn Grub Killers 2026 in the United States

Scotts GrubEx1 Season Long Grub Killer is a solid choice for those looking to protect their lawns from grubs and other pests for an extended period. A major strength is its ability to kill grubs and other insects such as caterpillars, chinchbugs, and Japanese beetles, providing protection for up to 4 months with just one application.

Its granular form makes it easy to apply to a dry lawn in the spring or early summer, covering a substantial area of up to 5,000 square feet per 14.35-pound bag. The active ingredient, Chlorantraniliprole, is effective in targeting young grubs before they can damage your lawn. However, it is important to note that the product's impact on the environment and its safety for pets and children should be considered.

While Chlorantraniliprole is generally considered safer for non-target species compared to other insecticides, it is still wise to follow all safety instructions and keep pets and children away from treated areas until the product has settled. Additionally, there is no mention of the residual effect beyond the 4-month period, so reapplication may be necessary for year-round protection. For those environmentally conscious, understanding the full environmental impact might require further research. In summary, Scotts GrubEx1 is a practical and effective solution for lawn pest control if used according to guidelines and with consideration for safety measures.

The Ortho BugClear Lawn Insect Killer1 is a versatile option for those looking to manage various lawn pests, including ants, spiders, ticks, fleas, armyworms, and grubs. It uses granules as its application method, which should be spread with a Scotts Spreader and then watered in. This product is effective over a large coverage area, treating up to 16,500 square feet, making it suitable for larger lawns.

One of the standout features is its long-lasting residual effect, providing up to 6 months of control against ants, although it does exclude certain types like pharaoh, carpenter, and harvester ants. This can save you from frequent reapplications, offering convenience and peace of mind. It also mentions safety for ornamental plants, home perimeters, flower beds, and vegetable plants.

In summary, Ortho BugClear is a high-coverage, long-lasting solution for a variety of lawn pests.

The St. Gabriel Organics Milky Spore is a natural, granular lawn grub killer designed specifically to target Japanese beetle grubs. Its active ingredient is Bacillus popilliae, a bacteria that infects and controls grub populations. You apply it easily by spreading the granules over your lawn—either by hand or with a spreader—for a simple, one-time treatment. This product stands out for its long-lasting effect, offering protection that can last up to 15 years, which means you won’t need to reapply frequently.

It is USDA-certified organic and non-toxic, so it’s safe to use around pets, children, and even food crops, making it a great choice if you’re concerned about chemical exposure. Additionally, it is environmentally friendly, harmless to beneficial insects and wildlife, supporting a balanced garden ecosystem. One thing to keep in mind is that because it is a biological control, it may take some time to see results as the bacteria establish themselves in your soil. It also specifically targets Japanese beetle grubs, so it won’t affect other types of lawn pests.

If you want a natural, low-maintenance grub control that protects your lawn for many years without repeated applications or harmful chemicals, this product fits well. However, if immediate grub kill or broad-spectrum pest control is a priority, you might need to consider other options.