Milky Spore Granular is an all natural, Japanese beetle grub control. Developed by the USDA, it controls the grub stage of the Japanese beetle and does not harm beneficial insects, humans or animals. Once applied, it can last for many years. Apply on open lawns, mulch beds, flower gardens and vegetable gardens. Requires 6 total applications (Spring, Summer, Fall for two consecutive years). Active ingredients: Spores of Bacillus Popilliae. Available in: 15 pound granular bag treats 5,250 square feet.