Grub Worms Prevention Treatment

[GoHorns]

What would one recommend to pretreat my lawn with for the prevention of grub worms?

Thanks, Robert

[Pam - gardengal]

Doesn't work that way - you can't pretreat for an insect problem which may or may not exist. Keep your lawn in good health and avoid over fertilizing and over watering, both of which create environments conducive to grubs. Monitor during the growing season and if grubs are detected in sufficient populations, treat with a biocontrol like milky spore or nematodes.

pam - gardengal

[SAS567]

We tried GrubX but it didn't work.

[Alan Sung]

If you are going to put a chemical down, you want something containing Merit (Imidacloprid). GrubEx no longer contains Merit as it did in earlier versions. It now contains halofenozide. It is also important to know when to apply this to your lawn. It is most effective on immature larvae so you want to apply it right before or right after the grubs hatch out of their eggs.

-al sung Hopkinton, MA (Zone 6a)