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Scott’s GrubEx vs Bayer Grub Control

Scotts grubex

If you or your neighbors had issues with Japanese beetles and grubs in the past, then when to apply grub control should be a priority on your lawn care schedule. There are many brands, active ingredients, and grub control products that things can get very confusing.

One of those conundrums is what’s best: Scott’s GrubEx or Bayer Grub Control? To put it simply…

Table of Contents

  1. Grub Control Active Ingredients (AI)
  2. Grub Prevention Insecticide
  3. Grub Killers
  4. Grubs: Scott’s vs. Bayer FAQs

What’s the difference between Scotts GrubEx vs Bayer Grub Killer Plus?

The main difference between the two is Scott’s GrubEx is a preventative grub control product – applied in the spring before beetles lay their eggs – and Bayer Grub Killer Plus is a fast-acting grub killer – applied after eggs hatch to kill active turf destroying white grubs.

Both of these products come in granular form which needs to be applied evenly across your turf with a fertilizer spreader and watered in to activate. They’re both also labeled for grubs, Japanese beetles, chinch bugs, armyworms, and other common surface insects.

Grub Control Active Ingredients (AI)

The active ingredient (AI) in Scott’s GrubEx is Chlorantraniliprole (0.08%) and should be applied in the early spring to prevent white grubs and grub worm damage. The active ingredient (AI) in Bayer Grub Killer Plus is Trichlorfon (9.30%) and is applied in the summer or early fall when there is an active grub infestation.

Grub Prevention Insecticide

As part of most annual lawn care programs, an application of grub control is applied in the spring. The best grub control product is Acelepryn, which contains the same AI as Scott’s GrubEx (Chlorantraniliprole). This needs to be applied in the early-to-mid spring (early May) to work.

Other products can include Imidacloprid (Merit), Thiamethoxam (Meridian), Clothianidin (Arena), Spores of Bacillus Popilliae (Milky Spore). These need to be applied and watered in before Japanese beetles burrow and lay their eggs (including Green June Beetles, European chafers, Green June beetles, and more).

Grub Killers

If you missed the window for controlling grubs in the spring, or notice active grub damage in your lawn, then you’ll need to look for other active ingredients, not in GrubEx – or the other products mentioned above.

Trichlorfon is a fast-acting grub killer and is the AI in Bioadvance (Bayer) Grub Killer Plus. It is also in our favorite grub killer, Dylox 6.2 Insecticide.

Other grub-killing products can include carbaryl (PROKOZ Sevin SL) or Zeta-Cypermethrin (Sevin).

As the name states, these products kill grubs.

Grubs: Scott’s vs. Bayer FAQs

Which is better GrubEx or Bayer Grub Control?

It is important to know that while these two products are labeled for grubs, Japanese beetles, chinch bugs, armyworms, and other surface insects, they’re quite different. Scott’s GrubEx is applied early in the season (April-May) to prevent grub damage. Bayer 24 Hour Grub Killer Plus quickly kills active grubs in your lawn (August – September),

Is GrubEx a grub preventer or grub killer?

Scott’s GrubEx contains Chlorantraniliprole and is used as a grub preventer.

What is the most effective grub killer?

The most effective grub killer on the market is Dylox 6.2 which contains the AI Trichlorfon.

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