Milky Spore Powder
Best organic solution for homeowners seeking long-term Japanese beetle grub control.
Naturally control Japanese Beetle grubs with St. Gabriel Organics Milky Spore Powder. This organic solution utilizes beneficial bacteria for effective grub elimination, offering long-lasting protection with a single application. It's safe for people, pets, beneficial insects, and waterways, making it an eco-friendly choice for your lawn and garden. Application is simple, providing up to ten years of grub control, potentially lasting twenty years. Achieve a healthier yard without compromising safety or the environment.
$34.99
Owner Satisfaction
4.5
/ 5
Category Rank
627
/ 1717
#627 in Pesticides
Price vs Category Average
-21%
Below average
Active Ingredient
Milky Spore
/ Milky Spore
Who it's for
- Homeowners seeking a long-term, set-it-and-forget-it grub solution
- Eco-conscious families prioritizing pet and pollinator safety
- Busy gardeners wanting an easy, low-maintenance lawn treatment
Who should skip it
- Gardeners needing immediate relief from current grub infestations
- Residents in cooler climates with short growing seasons
- Budget-conscious shoppers looking for inexpensive, quick-fix pesticides
Performance breakdown
Longevity
Decades of protection from a single initial application is unmatched.
Safety Profile
Non-toxic formula keeps kids, pets, and beneficial pollinators completely safe.
Ease of Application
Requires a spreader for even distribution across your lawn area.
Target Specificity
Highly effective at isolating and eliminating Japanese Beetle larvae populations.
Environmental Impact
Organic composition ensures no harmful chemicals leach into local waterways.
Coverage Efficiency
Ten ounces covers 2,500 square feet, ideal for standard residential yards.
Key Specs
Active Ingredient
Milky Spore
Residual Effect
Up to 20 years
Application Method
Requires Spreader
Pet and Child Safe
Yes
Coverage
Up to 2,500 sq ft (10 oz)
Net Volume
10 fl oz
Target Life Stage
Larvae
Beneficial Insect Safe
Yes
Features
- Natural grub control
- Long-lasting, one-time application
- Targets Japanese Beetle grubs
- Safe for beneficial insects and animals
- Environmentally friendly formula
- Simple application process
- Ten-year performance guarantee
What customers say
Milky Spore is consistently praised for its exceptional long term reliability in controlling Japanese beetle grubs. Its primary appeal lies in its straightforward ease of use, requiring minimal effort for application. While results are not immediate, consumers agree this organic solution offers tremendous value as a permanent, environmentally friendly option once established. Its lasting effectiveness makes it a highly recommended preventative measure for your garden.
Know before you buy
Milky Spore contains a naturally occurring bacterium called Paenibacillus popilliae. When Japanese Beetle grubs ingest the powder while feeding on grass roots, the bacteria multiply within the grub, eventually killing it and releasing more spores into the soil to protect your lawn for years to come.
Yes. Milky Spore is an organic, non-toxic solution that is safe for use around children, pets, and beneficial insects like earthworms and bees.
No, this is a one-time application product. Once established in your soil, the spores can provide effective grub control for up to ten years, with the potential to last as long as twenty years.
Milky Spore is specifically formulated to target the larvae of the Japanese Beetle. It is not designed to control other types of grubs, such as European Chafers or June Beetles.
For the most even coverage, you should use a dedicated Milky Spore dispenser or a hand-held spreader. Place the powder in spots spaced about four feet apart in a grid pattern across your lawn, then lightly water the area to help the spores settle into the soil.
Because Milky Spore is a biological control, it is not an instant fix. It typically takes one to three years for the spore population to build up sufficiently in the soil to provide full, long-term protection.
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$35