If you live in the northeast and you’ve seen signs of grubs in your grass, you may be tempted to go out and buy some GrubEx and apply right away. While it can’t hurt you to always have some grub killer on hand, it actually does matter when you apply GrubEx to your lawn in MA to get maximum results.

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When is the Best Time To Apply GrubEx in MA?

The best time to apply GrubEx in Massachusetts is when grubs are most vulnerable, typically before they hatch and begin feeding on grass roots. Grubs in Massachusetts are most active from late spring to early summer.

Here’s a quick guide that summarizes the ideal timing for applying GrubEx in Massachusetts:

MonthGrub StageApplication TimingNotes
AprilOverwintering larval stageNot idealGrubs are more developed and harder to control at this stage.
MayTransition to pupaeApply GrubEx (end of May)Grubs are transitioning into beetles; GrubEx is most effective in the latter half of the month
JuneAdult beetles laying eggsApply GrubExBest time to apply GrubEx in MA as the eggs hatch into small, vulnerable larvae.
JulyNewly hatched larvaeApply GrubEx (early July)While not as ideal as June, you can apply GrubEx before larvae begin feeding heavily on grass roots.
AugustSmall larvae actively feedingSlightly EffectiveLast chance to apply for before grubs become larger and less susceptible.
SeptemberLarger larvae feeding slowsNot idealGrubs are harder to kill as they mature.
OctoberGrubs begin to burrow downNot effectiveGrubs move deeper into the soil to overwinter.
*Table showing when to apply GrubEx in MA

MA GrubEx Application FAQs

What Months Should You Apply GrubEx in Massachusetts?

Late May to early July is ideal for GrubEx application in a northeastern state like MA.

When Should You Avoid Applying GrubEx in MA?

Applying GrubEx in fall or early spring won’t provide effective control in northeastern states, as grubs are more resistant or have moved deeper into the soil.

Do I Need to Water The Lawn After Applying GrubEx?

Yes, you should water the grass within 24 hours of application to activate the product.

What Tools Do I Need to Apply GrubEx in MA?

๐Ÿ‘‰ BUY โ€“ Scotts GrubEx Season Long Grub Killer

๐Ÿ‘‰ BUY โ€“ CoolJob Gardening Gloves

๐Ÿ‘‰ BUY โ€“ Scotts Whirl Hand-Powered Spreader for Seed

Prevent Grubs Before They Hatch!

Rather than dealing with the damage that grubs can do to your lawn, it’s always better to take preventative measures. Follow the chart above to effectively apply GrubEx to your lawn in Massachusetts and enjoy a lush, green lawn without worrying about pesky larvae!

If you’re interested in other ways to prevent lawn damage, you might enjoy this review that touches on the benefits of using a Sun Joe dethatcher and scarifier to keep your roots healthy! Alternatively, if you have additional tips on applying GrubEx to your grass in MA then leave them in the comments below!