10 Best Grub Killers 2025 in the United States

Scotts GrubEx1 Season Long Grub Killer is designed to protect your lawn by killing and preventing grubs with just one application in spring or early summer. It covers a large area of 10,000 square feet, making it suitable for medium to large lawns. The product comes in granule form, which is easy to apply using a Scotts spreader, helping ensure even distribution.

It works over four months, targeting grubs at their young stage before they can cause serious root damage, which helps keep your grass stronger. Besides grubs, it also kills other common lawn pests like armyworms and chinch bugs. Its simple one-time application and good coverage make it user-friendly, especially for those who prefer low-maintenance lawn care.

This product is a solid choice if you want long-lasting grub protection and have a larger lawn, but users should consider environmental factors before using it.

The 'ST. Gabriel Organics - Milky Spore Granular Natural Bacteria Japanese Beetle Grub Killer' stands out for its use of Milky Spore, a natural bacteria that targets Japanese beetle grubs. This makes it an eco-friendly option for those looking to control grubs without harming beneficial insects, pets, or children. One of its significant strengths is the long-lasting protection it offers; a single application can provide up to 10 years of grub control, which is highly convenient and cost-effective in the long run.

The product comes in a 20-pound granular form that is easy to spread with a lawn spreader, simplifying the application process for users. Additionally, by eliminating grubs, it supports healthier lawn growth, resulting in thicker and more robust grass. However, it is essential to note that the effectiveness of Milky Spore can vary depending on environmental factors such as soil temperature and moisture. This could affect the timing and consistency of results.

Moreover, while the product is safe for the environment, it is specifically designed to target Japanese beetle grubs, so it may not be effective against other types of grubs or pests. For those looking for a natural, long-term solution to Japanese beetle grubs, this product provides a solid option with minimal environmental impact.

The BioAdvanced 24 Hour Grub Killer Plus is designed to tackle grub infestations quickly, showing results within 24 hours. This is particularly useful for homeowners who need immediate relief from lawn damage caused by grubs. Additionally, its formula also targets other common pests such as ants, ticks, and crickets, making it a versatile choice for pest control in your garden.

The product covers a large area of up to 10,000 square feet, which is suitable for sizable lawns or gardens. The active ingredient, Trichlorfon, is effective for rapid pest elimination, but it's important to handle it carefully due to its chemical nature. The granule form makes it relatively easy to spread across your lawn using a spreader, which simplifies the application process. However, it is essential to apply the product as soon as grubs are detected to prevent further damage.

One limitation to note is that the product is not available for sale in California and Maine, which could be a drawback for residents in those states. Additionally, while the product is effective, its chemical composition may have some environmental impacts, so users should follow the application guidelines strictly to minimize any negative effects. Despite these considerations, the BioAdvanced 24 Hour Grub Killer Plus remains a popular choice for effective and quick grub and insect control.