Grub killer we used.

[ArlyA]

A few years ago our lawn started dying off and someone told we had grubs in it. What type or grubs? No idea. We covered it with this stuff and it seems to work. Only suppose to kill or reduce grub poputlation
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ST. Gabriel Organics - Milky Spore Granular Natural Bacteria Japanese Beetle Grub Killer Lawn and Garden Care Control.

what the product page says
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A long-lasting, grub control spreader that will solve all of your problems. 20 lb. Milky Spore, Grub Control Spreader Mix. This is a organic compound that attacks larvae of Japanese beetles. Apply with spreader anytime from spring through fall. Kills grubs for 15 to 20 years, providing you with the ultimate coverage. Harmless to all other living things and will not effect birds, bees, beneficial insects, fish, animals, plants, or humans. Provides up to 7,000 square feet of coverage.

 

[Duds13]

Yup, good stuff as long as it is used as directed. 3 times a year for 3 consecutive years I believe? Maybe that has changed since I last used it.

 

[oldnslo]

Ya, the multi treating bits but all the pesticides kill everything out there. I wonder why three years is needed?

It takes multiple applications to get the microbes established that kill the Japanese beetles grubs. I believe it only affects the Japanese beetles and no other grub variety.

 

[ArlyA]

It takes multiple applications to get the microbes established that kill the Japanese beetles grubs. I believe it only affects the Japanese beetles and no other grub variety.

And that is what the package said. Nonetheless, we can't get anymore.

 

[oldnslo]

I just bought some last fall and still shows available in this area and online.