Does your lawn have damage from Japanese Beetle Grubs? If so, NaturaLawn of America offers Milky Spore as a natural and effective grub control. One application can provide up to 15 years of control! Milky Spore is completely harmless to all other organisms, birds, fish, pets, animals, and most importantly - humans. Milky Spore is acknowledged by the USDA as an effective long-term control of Japanese Beetle Grubs. This product is approved and registered with the EPA. Milky Spore will not affect wells, ponds or streams. One 10 ounce can covers 2,500 square feet and one 40 ounce can covers 10,000 square feet.