10 Best Lawn Grub killers (2020)

Some people frown against using chemical solutions against things like grubs, however, when you find your lawn suffering and you know that grub worms are the cause, you may not be left with much choice than to just go ahead a look for a grub killer to get rid of the grub worms eating away at the roots of your grass.

However, not all grub killers are chemical products.

When grubs feed on the roots of your grass, the lawn withers, the colors fade, and the soil loosens.

If you have been thinking about how you can combat these grub worms, you don’t have to stress yourself anymore.

These are the best lawn grub killers on the market today.

1. Bayer Advanced 70074OS 24 Hour Grub Killer

best lawn grub killer

Get rid of the grub worms and other pests that have been disturbing your lawn in just 24 hours with this Bayer Advanced Grub Killer.

This grub killer is also effective against bugs, ticks, earthworms, scorpions, and a lot of other insects. However, you shouldn’t use this grub killer in your garden or kitchen yard.

If left to thrive, grubs spread rapidly and they can kill your whole lawn in no time; this is why you need a fast acting grub killer like the Bayer Advanced 70074OS 24 Hour Grub Killer.

This 10 pound grub killer will cover up to 5000 square feet of space.

Pros

  • It is reasonably priced
  • It is effective against bugs, scorpions, and bugs

Cons

  • It will kill earthworms
  • It is not suitable for your garden

2. Bayer 700288S Advanced Complete Insect Killer

Bayer 700288S Advanced Complete Insect Killer for Soil and Turf Granules best lawn grub killer

This is another affordable grub killer you can use if these worms are disturbing your lawn.

There are other some other insects that cam damage your lawn, some bite, and some will even invade your home if you don’t get rid of them as soon as possible. The Bayer 700288S Advanced Complete Insect Killer is very effective against these insects.

This insect killer will kill surface grubs and other insects within 24 hours and it will remain effective in killing soil insects for 3 months.

After application, you have to keep away from the lawn until it has dried up, also, keep your pets away from the lawn after using. This 10 pound insect killer will effectively cover 5000 square feet of space.

Pros

  • It kills a wide range of soil insects
  • It will remain effective against soil insects for 3 months

Cons

  • It will kill earthworms and other insects that are beneficial to the soil

3. Scotts GrubEx – Grub Killer and Preventer

Scotts GrubEx - Grub Killer and Preventer - 10,000 sq ft - kills White Grub, Japanese Beetle Larvae best lawn grub killers review

You don’t have to wait until your lawn becomes infested with grubs before you apply a grub killer, you can always use a grub preventer like Scotts GrubEx – Grub Killer and Preventer. It is very easy to use; all you have to do is put the product in your spreader, apply to your lawn, water thoroughly, and clean up.

When you apply in spring or early enough in summer, your lawn will get up to 4 months protection against grubs and other soil insects.

Do not allow grubs and other insects damage the root of your grass, once you notice any sign of these insects, get the Scotts GrubEx and apply to your lawn.

Pros

  • Effective against a lot of soil insects
  • Up to 4 months protection against grubs

Cons

  • It is not suitable for vegetable gardens

4. St. Gabriel Organics 80010-9 Milky Spore Powder

St. Gabriel Organics 80010-9 Milky Spore Powder, 10-Ounce best lawn grub killer

This milky spore powder is a natural bacteria that kills grub worms before they develop into stubborn and destructive adults.

Most grub killers are only effective when you use them in spring or early summer, however, this milky spore powder survives winter temperatures and the population of the spores increase yearly, providing you with up to 10 years protection against grubs.

You can effectively treat 2500 square feet area with this product and it is safe to use around waterways, since it is an organic product. It is not as fast acting as some other chemical grub killers but it will remain effective for longer than most.

Pros

  • It is organic
  • It remains effective for years
  • It doesn’t kill beneficial insects

Cons

  • It is not fast acting

5. ST GABRIEL ORGANICS 80080-P Milky Spore Grub Control

ST GABRIEL ORGANICS 80080-P Milky Spore Grub Control Mix Pest Controller best lawn grub killer reviews

This is another organic grub killer that will not affect beneficial insects and will remain effective for a long time. What the product does in essence is that it attacks the larvae of Japanese beetles and destroys them before they have the chance to develop into ravenous adults that will eat way at the roots of your grass.

This St Gabriel milky spore will cover up to 7000 square feet of space and it will continually kill grubs for 15 – 20 years.

It is organic and non-toxic, still you should keep your pets away for some time after application. With all these amazing features, the product is a little expensive.

Pros

  • It doesn’t kill beneficial insects
  • It is organic
  • It remains effective for years

Cons

  • It is a little expensive
  • It is not fast acting

6. Bonide BND60360 Insect and Grub Control

Bonide BND60360 Insect_and_Grub_Control Outdoor_Insecticide best lawn grub killer

This product will get rid of all the grubs and other insects that can damage your lawn.

In addition to killing grubs, it is effective against more than 40 insects. If you are looking for a fast acting grub killer, then this product is right for you; it will kill insects within 24 hours and provide surface and soil protection for months.

It is also very easy to apply, you can just spread the product around your lawn, or you can use a fertilizer spreader.

Just make sure to water lightly after application. Keep your pets away after application.

Pros

  • It is fast acting
  • It kill a wide range of insects

Cons

  • It will kill beneficial insects

7.Bayer Advanced 7002808 Complete Insect Killer

Bayer Advanced 700280B Complete Insect Killer for Soil and Turf Ready-To-Spray best lawn grub killer

This insect killer is very easy to apply as it comes in a ready-to-spray container. It is fast acting and will kill insects within 24 hours of application and will remain effective for up to 3 months. It is effective against both surface and soil insects.

The Bio Advanced 7002808 Complete Insect Killer will also protect your interior space from insects that may want to come in side from outside, all you have to do is apply along the foundation of your building. It will cover up to 5000 square feet of space

Pros

  • Easy to apply
  • Kills a wide range of insects
  • Effective against surface and soil insects

Cons

  • It kills insects that are beneficial to the soil
  • Cannot be used on vegetable gardens

8. Bayer Season Long Grub Control 700710S

Bayer Season Long Grub Control - 12 lb best lawn grub killer review

This Bayer grub killer is made from a unique and patented formula, and you will most likely not see any other grub killer that will perform in the same manner. It will kill grubs and other insects all season, while promoting stronger roots and thicker lawns.

To get the best out of this product, apply anytime from spring through late summer.

Able to cover 5000 square feet, it has a wide enough coverage that should adequately protect your lawn and make your grass grow thicker and greener. Also, it is quite affordable.

Pros

  • It is not expensive
  • Season long protection

Cons

  • It may kill beneficial insects

9. Roundup 4385404 Pest Control

Roundup 4385404 Pest Control, 10 Lb. best lawn grub killers

When most people are about to buy any grub or pest killer, the common worry is whether or not it will harm their plants. Roundup 4385404 Pest Control will kill grubs and other pests that are disturbing your lawn without adversely affecting your lawn.

Also, it is safe to use around your flowers and on your landscapes.

It is very easy to apply, all you need is a spreader. However, make sure you water lightly after applying.

It kills grubs and other insects instantly, and it will remain effective in killing surface and soil insects for up to three months.

Pros

  • Effective against a wide range of pests
  • It will not harm your lawn
  • Suitable for flower gardens

Cons

  • It may kill beneficial insects
  • Not suitable for vegetable gardens

10. Bayer Season Long Grub Control 700720A

Bayer Season Long Grub Control - 24 lb. 700720A review best lawn grub killer

This is almost like the Bayer season long grub control reviewed above.

However, this one is bigger and will cover a larger areas. It is particularly superior to a lot of grub killers because it offers season long protection.

It is important that once you notice grubs, you should kill them before they can get the chance to destroy your lawn, this product will effectively do so.

It has a unique and patented formula that will kill surface and soil insects all season long.

Also, it makes the root of your grass grow better, making your lawn grow better and greener.

Pros

  • Aids root development
  • Remains effective all year long

Cons

  • It may kill beneficial insects
  • You may have to wait a while after application to apply fertilizer

Conclusion lawn grub killers

Grubs can cause great damage to your lawns, so, if you want your lawn to always remain green and lush, you should get a good grub killer at the sign of any ravaging pest.

Even if you haven’t noticed any grubs on your lawn, you can still use some a grub killer as a preventive measure.

Some of these grub killers are effective in destroying other pests apart from grubs while some are just for killing grubs, the type of pest problem you have will determine the type of grub killer you use.

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