St. Gabriel Laboratories Milky Spore 40 oz. will treat 10,000 sq. ft. and is a One Time application using only one teaspoonful every 4 feet in a checker board pattern on your lawn, or use the Lawn and Garden Dispenser #80001A. Apply anytime the ground is not frozen. Ten year performance quarantee on the Japanese Beetle Grub (Can last up to twenty years). Not harmful to man, animals or the environment, safe to use around water ways. Kills the grub stage of the Japanese Beetle. Natural bacteria eat the grub from the inside. Does not harm beneficial insects. Application Info: Milky Spore is applied every four feet using one teaspoon or the Lawn and Garden Dispenser #80001A. Your lawn will look like a grid pattern or checker board. Apply just before it rains or water in gently for about fifteen minutes.NOT FOR SALE IN: FL, HI, LA, MT, ND, NM, SD, UT, WA, WY