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Milky Spore Powder Japanese Beetle Control - 10 oz

Item #: 80010-9

Our price: $34.95

Milky Spore is the safest material ever developed to control the grubs of Japanese beetles. Produced to USDA standards. This 10 oz. box treats 2,500 square feet. read more

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Lead time: 1-2 Business Days

Our Price: $34.95


Milky Spore targets and kills Japanese beetle grubs, a familiar destructive pest, before they can grow into adult beetles. At the immature stage, Japanese beetle grubs feed on the roots of lawns, turf, and other grassy areas. The adult beetle feeds on flowers, ornamental plants, trees, shrubs, and the foliage of some field crops.

Originally developed by the USDA, Milky Spore is a naturally occurring bacteria Bacillus popillae host-specific to Japanese beetles. In areas treated by Milky Spore, Japanese beetle grub eat the spores during their normal feeding patterns. Then the spores reproduce inside the grub, eventually killing grub within 7-21 days. As the grub decomposes, it releases millions of new spores and these multiply and kill other grubs.

Milky Spore is safe for people, pets, wildlife, beneficial insects, and soil microorganisms. It does not affect streams, ponds, or groundwater. Product is approved and registered with the US Environmental Protection Agency.


Coverage: 10 oz. box treats 2,500 square feet.

Apply one teaspoon of Milky Spore powder to turf every 4 feet in rows 4 feet apart. It should look like a grid pattern when finished. Areas between direct applications will be inoculated naturally. Best results can be expected once the entire area is inoculated. Milky Spore requires only one application, lasting ten years or more.

It is most effective to apply Milky Spore in the summer and early fall. The soil must be above 65 degrees F when the grubs are actively feeding, which is the best time for application. It works best to apply just before rainfall, or water in lightly after application to soak into soil.

To apply Milky Spore, you can make a homemade dispenser by punching 15 nail holes into a 1 lb. coffee can, and attaching with duct tape to a 4 foot stick six inches from the bottom.

You can purchase a Dispenser Tube here.

Not registered for sale in Washington and Oregon.


Provides safe, non-toxic, long term control of Japanese Beetles.

100% Satisfaction Guarantee

We want you to be completely satisfied with every purchase you make. If you are in any way dissatisfied with a product you ordered, we'll exchange it, replace it or refund your money within 30 days of purchase. Simply email us the problem, and we'll take care of you. Certain products have extended warranties (up to 50 years!) that are listed on the particular product page. Please call us at 1-888-451-6752 if you need further clarification.

Additional Information

Size 10 oz.
Coverage 2500 square feet
Key Feature Safe, non-toxic, long term control of Japanese beetles
Effective for 10 years
Origin Made in the U.S.A.

Shipping Information

Shipping Details:
Insured against damage or loss while in transit
This Product Ships To:
US Lower 48
Ships Via:
Fedex, UPS, or USPS

Questions about the Milky Spore Powder Japanese Beetle Control - 10 oz

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  • From John at 6/24/10 9:55 AM
    • You failed to describe the process for applying to lawn. Is it done with a hose sprayer, using concentrate?
    • Below is the process for applying Milky Spore to your lawn:

      Apply one level measure teaspoon of Milky Spore powder on top of grass in spots every four feet in rows four feet apart. Use 10 ounces per 2500 square feet (50 feet by 50 feet) or 40 ounces per 10000 square feet (100 feet by 100 feet). Treat your lawn any season of the year when the ground is not frozen.

      You can dispense directly from the box using a small spoon, or you can poke holes in an empty coffee can and shake the powder over each spot.

      Water lightly after application to soak spores into soil. Areas between spots will be inoculated naturally. Highly efficient control cannot be expected until the entire area is inoculated. Milky Spore has been known to last 15 years or longer with one application.
    • Do you find this question helpful?  Yes  No
  • From Jess at 3/17/11 10:12 AM
    • How often do I need to reapply milky spore for grub control?
    • Milky Spore reproduces itself and spreads throughout your lawn. You only need to apply it once. It is estimated that a single application can last 15 years.
    • Do you find this question helpful?  Yes  No
  • From Ray at 6/27/11 2:21 PM
    • I have a large compost pile . How do i get rid of grubs . It is loaded with grubs . I am trying to stay organic . Pile is several feet deep .
    • Milky spore can be applied to your compost. You may want to dig down to the lower part of the pile to apply the spore. You can also sprinkle some around the compost area.
    • Do you find this question helpful?  Yes  No
  • From Sharon at 3/27/12 3:06 PM
    • I just prepared an area for a vegetable garden which was previously covered in grass and weeds. I saw grubs while tilling the soil. Can Milky Spore be used on a vegetable garden? Is it available in smaller quantities? My garden is only 300 sq. feet.
    • Yes, Milky Spore is safe to use in the vegetable garden, it is harmless to crops.
      The smallest quantity we sell is the 10 oz box. We are not aware of smaller quantities available for sale.
    • Do you find this question helpful?  Yes  No
  • From keith at 1/28/13 10:24 AM
    • Hello,If I apply the spores now ,late january will it do its thing for this summer???
    • You should wait to apply Milky Spore until the ground is not frozen. If you anticipate a freeze, let it pass before applying.
      Milky Spore begins working as soon as it is applied as long as grubs are feeding. Once grubs are infected they will multiply the Spore by several billion times and spread it further. In warm climates good control can occur in one to three years.
    • Do you find this question helpful?  Yes  No
  • From John at 4/22/13 11:01 AM
    • Will earth worms be affected by Milky Spore?
    • No. Milky Spore is harmless to earthworms. It also won't harm birds which may eat the affected grub.
    • Do you find this question helpful?  Yes  No
  • From Sara S at 6/9/13 12:54 PM
    • I'm assuming if this is okay for vegetables and worms that it would be okay for cats and dogs to walk across the lawn after applying Milky Spore. Is this true? I just want to ask to make sure.
    • Yes. It is safe for your pets to walk on the lawn after milky spore has been applied.
    • Do you find this question helpful?  Yes  No
  • From Beth at 8/5/13 7:37 AM
    • When should I apply the milky spore for central New York? It is August it too late?
    • August is not too late to apply Milky Spore to your lawn. You can even wait longer if you need to since autumn is considered ideal for applying it. The main thing is to get it in the ground so the process can begin. Apply milky spore using a teaspoon per 4' in a checkerboard pattern. Or you can use the lawn dispenser tube for easier application.
    • Do you find this question helpful?  Yes  No
  • From donna at 1/3/14 11:48 AM
    • I have a horrible mole/gofer problem and they eat grubs. Will this make them go away? I also have Mole Away, but not sure if its safe for dogs... Which I read somewhere before I purchased it, but on the bag, there is no such indication. Should I just use the Mole Away, or just the Milky Spore, or both?
    • You will get best results by using both the Mole Away and Milky Spore. Mole Away is safe for children and pets, and it is formulated to get rid of moles. By using Milky Spore you will reduce the grub population which will also reduce mole activity.
    • Do you find this question helpful?  Yes  No
  • From Hyacinth at 4/5/16 11:33 AM
    • Will Milky Spore affect seasonal lawn fertilizer application?
    • Milky Spore will not affect your seasonal lawn fertilizer application.
    • Do you find this question helpful?  Yes  No

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