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 . Q. OK, you have convinced me to wait until the fall to plant new grass seed. But how about the grass I have now? Is it too late to put down Milky Spore? When is . Milky spore powder is a naturally occurring microscopic bacteria. . Gabriel Organics Milky Spore Lawn Spreader Mix $42.69. . Milky Spore 80010-9 Japanese Beetle and Other Beetle Killer. Read customer questions about Milky Spore Powder and get help with Milky Spore Powder. The #1 Japanese beetle grub control! Milky Spore Powder (Bacillus popilliae) targets and discriminately works to attack the white grubs of Japanese Beetles. Milky Spore Powder is a bacterium, (Bacillus popillae), which is lethal . Milky Spore is the bacterium Paenibacillus popilliae (formerly Bacillus popillae). May 15, 2014 – If the infestation is large enough (>10 grubs per square foot), you can use beneficial nematodes and milky spore powder at the same time. Apr 10, 2012 – Milky spore has been around for decades and was the first biological control means for Japanese beetle grubs. Milky Spore comes in a powder . Apr 5, 2018 – What Is Milky Spore: Using Milky Spore For Lawns And Gardens . Place a teaspoon of milky spore powder on the lawn, spacing the . St. Gabriel Organics 20-lb Milky Spore Grub Control at Lowe’s. Milky Spore is a natural bacterial that kills the grub stage of adult Japanese beetles. Developed .