I live in Voorheesville. A 20’x15′ section of lawn is interspersed with obvious dead patches…i.e., no grass where there was grass last year. I dug in a few spots and found grubs. I seem to recall having this problem a few years ago and then no problem for a few years. Anyway, I would like to know when to treat and wonder if I can go ahead a reseed now? Is the damage done for this life cycle or would any new grass just get eaten up by the grubs? Thanks for taking the time to answer…

Go ahead and reseed. The grubs that are in your lawn hatched last year and will have turned into Japanese Beetles before they are a problem for the new grass. You need to treat with Imidachloprid (Bonide Annual Grub Beater) in July. Apply and water in gently with 1″ of water…don’t think rain can do the job, it won’t. Imidichloprid needs to go on in July so it has time to get absorbed into the lawn’s roots before the tiny new grubs hatch in mid August through September. Applied in July and properly watered-in, Imidichloprid will kill 98% of the grubs that hatch. They are tiny when they hatch and easy to kill then before they do any real damage to the roots. You need to apply Imidichloprid every July. Another option is Milky Spore Disease. You apply that twice a year (now and late August) for three years. After that it reproduces itself every year but infecting each new grub hatch. I’m conducting 2 free lawn care seminars today (5/15) at our Guilderland store at 11 AM and 2PM. If you have an hour you’ll learn everything you need to know to take the confusion out of grub control and all other aspects of lawn care.

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