Milky Spore Powder is labeled for only Japanese Beetle larvae (white grubs). Please view our Gnat Control Products and How to Get Rid of Gnats Treatment Guide for more information.
Milky Spore Powder and Milky Spore Spreader Mix will only be effective for Japanese Beetle Larvae.
Milky Spore Powder will not be harmful to aquatic life if runoff were to occur into a stream, pond, etc.
Milky Spore Powder is labeled for both lawn and garden applications, so it is at your discretion if you would like to apply just to the garden or to also treat the lawn as well.
Milky Spore Powder is safe when used as directed on the label. As long as you keep pets/children out of the area while you treat and until the product has had time to completely dry or settle it is safe for pets and people to return and resume normal activity typically after about 4-6 hours.
It is most effective to apply Milky Spore Powder in the summer and early fall when grubs are active but it will sit in the soil until they begin to feed and then spread. 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. Once established in a lawn, Milky Spore has been known to last 15 to 20 years.
Milky Spore Powder is applied using a Lawn Dispenser Tube in a checkerboard pattern applying spots every 4ft along in rows at 4ft apart. Using one teaspoon of powder every four feet in rows four feet apart to achieve a checkerboard pattern of spots throughout the treated area
5 oz Milky Spore Power to treat 1,250 sq ft
10 oz Milky Spore Powder to treat 2,500 sq ft
16 oz (1lb) Milky Spore to treat 4,000 sq ft
40 oz (2.5lbs) Milky Spore for 10,000 sq ft
10lbs Milky Spore per acre of lawn.
Milky Spore does need to be lightly watered in to bind the application to the soil and also allowed 24 hours before any rainfall is expected atter the application. Keep in mind that complete grub control may take 3-4 years with Milky Spore. Faster control may be achieved with applications in the Spring and late Summer, when grubs are actively feeding.
Yes, Milky Spore Powder can be used on pastures, just be sure to water in after application.
Milky Spore Powder can provide control of Japanese beetle grubs, which can be a food source for moles, and could therefore reduce mole activity by removing that food source. You can refer to your guide on How to Get Rid of Moles for recommended treatment methods, and you can view our entire selection of Mole Control products here.
Milky Spore Powder is not registered for use in Michigan so it cannot be shipped there. This is because the manufacturer has not registered the product in your state.
We have other options for Grub Treatment here.
Milky Spore Powder is known to last 5 to 10 years. A reapplication would be necessary and is needed if its been 15 years since the last application.
Yes, the application of Milky Spore Powder would still need to be watered following the application to move the spores into the soil where it will become available to grubs feeding on the roots of grass.
