Treatment FAQ

what is the best lawn grub treatment

by Dr. Jaycee Ernser MD Published 3 years ago Updated 2 years ago
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Best Grub Killer For Lawn: Top 5 Picks

Best Overall Scotts GrubEx1
Ready-To-Spray BioAdvanced 700280B Complete Insect Kill ...
Best For White Grubs BioAdvanced 700740M 700740S 24-Hr Grub C ...
Best For Spider Grubs BioAdvanced 700288B Complete Insect Kill ...
Best For A Long-Lasting Result Roundup for Lawns Bug Destroyer Granules
Apr 14 2022

  • BEST OVERALL: BioAdvanced Granules 700745S 24 Hour Grub Killer.
  • BEST BANG FOR THE BUCK: Scotts GrubEX1 Grub Killer for Lawns.
  • BEST PREVENTATIVE: St. ...
  • BEST READY-TO-SPRAY: BIOADVANCED 700280B Complete Insect Killer.
  • BEST FAST-ACTING: Ortho BugClear Lawn Insect Killer.
Oct 1, 2021

Full Answer

What kills lawn grubs?

10 lawn grub control products Review: 1. BioAdvanced 700740M 24-Hour Grub Plus for Lawns Ant, Tick, and Insect Killer, 5,000 sqft, Ready-to-Spread Granules,... 2. BioAdvanced 700270B Science-Based Solutions Grub, Ant & Mosquito Killer for Lawns, Pest Control, 40 oz, Concentrate. 3. SPECTRUM BRANDS ...

When to apply grubex and obtain the best results?

Feb 24, 2022 · Powerful Insecitides 1. Scotts GrubEx1 – Grub Killer. GrubEx with the active ingredient chlorantraniliprole is used for preventive soil... 2. Bayer Advanced 700740S 24 Hour Grub Killer Plus, Granules & Bayer Grub Control, Spray. Bayer offers two products... 3. Sevin Ready-to-Use 5% Dust 3 Pack. This ...

How to kill grubs naturally?

4 rows · Apr 03, 2022 · Here are the best grub killers for lawn you can buy in 2022: Best Overall: Scotts GrubEx1. ...

How to get rid of grubs in lawn?

May 22, 2020 · If applied too late, preventative products may not be effective as they work best on small grubs. Preventive products containing imidacloprid, thiamethoxam or clothianidin will consistently reduce 75-100% of the grubs if they are applied in June or July and if they are watered-in with 0.5 inches of irrigation immediately after application.

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What is the best product to kill grubs?

To kill grubs in the spring or fall, use carbaryl or trichlorfon. Always wear rubber gloves and rubber boots when applying insecticides to turfgrass. Make sure to irrigate the lawn with at least 0.5 inches of water* and allow the grass to dry before allowing anyone or pets into the treated area.May 22, 2020

What is the best time to treat for grubs?

Treating in late summer or early fall is ideal, as that is when the smaller, young grubs are most susceptible to nematodes. There is also usually a short window for application in early spring before the grubs get too big and pupate, but that is a narrower window and can be difficult to time properly.Aug 10, 2017

When should I put grub killer on my lawn?

If you want to stop grub damage right away, the best time to apply a grub killer to your lawn is when you first see signs of damage. This is typically any time between mid-summer through September when the grub larvae feed the most.Jul 2, 2021

How do you get rid of grubs in your lawn fast?

To get rid of grubs naturally using dish soap, mix dawn soap with water and spray it over the infested area. The dish soaps solutions smothers and suffocates grub worms and Japanese beetles, killing them in the process. This DIY solution can also kill adult beetles and prevent them from laying eggs in your lawn.

Which is better GrubEx or Bayer?

Both are excellent products and very effective at killing a wide range of common grubs that may be living on your soil. Scotts GrubEx is a contact and prevention insecticide, while the Bayer Grub Killer Plus eliminates Grubs on contact within 24 hours. And they are sold in ready-to-use granular bags.

Will grub damaged lawn grow back?

If you have areas of dead turf, you'll need to re-seed them. Some areas will need to be scraped clean, soil added, and seeded. However, some areas may just warrant slice-seeding to repair them. Either way, they aren't coming back on their own.Sep 5, 2013

Can you put down grub killer and fertilizer at the same time?

According to the Scotts website, only straight fertilizer, with no other ingredients such as pre-emergent herbicides or other pesticides, may be applied at the same time as GrubEx. The site gives no recommendation for mixing straight fertilizer and GrubEx, so it may be wisest to apply one product at a time.

Can you put down grub killer and grass seed at the same time?

Can I put grub-killer and grass seed down at the same time? If not, which one should I do first? A: There's nothing in grub-killers or grub-preventers that'll hinder grass seed. So yes, you can do both at the same time.Apr 30, 2009

What does your lawn look like if you have grubs?

When your yard is under attack by grubs, grass will thin and turn brown. This leads to visible larger brown patch areas in your yard. It's common to notice these odd-shaped brown patches in late summer or early fall. During this period, grubs amp up their eating, and the damaged and dead grass becomes more visible.Apr 14, 2021

What causes lawn grubs?

Lawn grubs hatch from eggs that have been laid by scarab beetles just under the surface of your lawn. Once they have hatched, they feast on lawn roots and turn into pupae and re-emerge as scarab beetles. These beetles then feed on other foliage and relay eggs under the lawn, restarting the cycle.Oct 23, 2020

What does grub worm infestation look like?

Signs of Infestation of Grub Worms Scattered and irregular brown patches, increasing in size over time in the turf is a sign of a Grub infestation. Heavily infested grass will pull up easily, rolling up like a carpet.

How much space does a Bayer grub killer cover?

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

What is St. Gabriel's milky spore powder?

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 ...

How long does it take for grub killer to kill?

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.

How effective is Bio Advanced 7002808?

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.

How long does it take for a spray to kill bugs?

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.

When to apply Scotts GRUBEx?

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.

Does Bayer grub killer work?

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.

How to prevent grubs from destroying my lawn?

Proper fertilization is important to prevent and allow the lawn to recover from grub damage. Mow lawns immediately before applying an insecticide for grubs to remove weed flowers and protect bees. Make a regular practice of mowing your yard with the mower on the highest setting (3.5-4 inches).

What insecticides kill grubs?

There are two chemicals, carbaryl and trichlorfon, that are considered curative treatments. They are short-lived compounds that kill all life stages of grubs. These two insecticides are the only options if high numbers of grubs are found in the fall and in spring before early May. Our research indicates they will kill 20-80% of grubs when applied in September or 20-55% when applied in late October. They are not as effective as the preventive compounds in reducing grub numbers.

When do grubs appear in lawns?

Grub damage may appear in home lawns from mid-September to November or from March to early May. However, for low-maintenance lawns, even if the turf is not killed from grub feeding, the thinned and weakened turf may be prone to weeds and drought stress. Healthy turf with a few grubs may not need an insecticide.

When to apply chlorantraniliprole?

The preventive compound chlorantraniliprole should ideally be applied in April or May to control grubs that would be damaging turf in the fall as it will take longer for the material to move to where the grubs will be feeding in July. To kill grubs in the spring or fall, use carbaryl or trichlorfon.

Do you need to use insecticide for grubs?

However, if the grub population is high or if there is a history of damage in an area, it may be necessary to consider using an insecticide for grub control . Finding one or two grubs does not indicate you need to apply a grub control product. Check for the active ingredient in a grub product.

How to measure how much irrigation is applied?

You can measure how much irrigation is applied by putting out several coffee cups in your lawn and run the irrigation until they fill to a half-inch level above the bottom. Research tests over the last 25 years have clearly shown that watering immediately after application helps to obtain good results.

How long does a turf outbreak last?

The outbreak phase where turf damage is common may last five to 10 years. If you see a dead patch, use a shovel to dig up a few Frisbee-size samples of turf around the bare spot to a depth of 2 inches and look for 0.75-inch long, C-shaped white grubs.

1. Dylox 6.2 Granular Insecticide

Without a doubt, the #1 product to quickly kill grubs in your lawn is Dylox 6.2 Granular Insecticide by Bayer. It contains 6.2% Trichlorfon, which targets white grubs (and larvae), June bugs, Japanese beetles, Sod webworms, Armyworms, and more.

2. Sevin

Sevin is a one of the best all around grub killer for lawns options. This liquid grub killers that has the main ingredient Zeta-Cypermethrin. Sevin is a fast acting grub killer, and is an upgrade because previous ingredients ( Carbaryl) where harmful to honey bees and earthworms.

3. Bayer 24 Hour Grub Killer Plus

Bayer 24 hour grub killer plus has Trichlorfon as an active ingredient. You can find this in your local store so there is not waiting on professional products to kill armyworms or your grub problem. You want to apply this in the summer when you see the grubs and they are causing lawn damage. This is the best time for grub control and killing grubs.

4. Arena

Arena can be used as both a grub killer and a grub control. It can be used as a preventative application during the peak time when target species adults lay eggs. The application should be made 60 days or more before the peak adult flight. When it is used as a treatment application, it is used after eggs hatch.

5. Sumari

Sumari can be used as a grub killer or as a preventative measure. To be a preventative, you must apply closer to mid summer when grubs are active. Sumari is ideal for grub control, grub infestations, chinch bugs, and Japanese beetle.

White Grub Worm Life Cycle

The lifecycle of grubs, also called grub worms, begins when the grub worms from last year make their appearance as June bugs, also called Japanese beetles. This happens in the spring between May and June. While the Japanese beetles do not harm turf grass, they will damage trees and ornamentals as they feed on them.

What is the best way to get rid of grubs?

The best way to kill grubs and take care of your grub infestation is to use a fast-acting treatment. Your best season-long grub control has the active ingredient Trichlorfon. You can find this in Dylox.

What Are Lawn Grubs?

Lawn grubs, also known as white grubs, are small white creatures that curl up into a distinctive C shape when disturbed. The grub worm is the larval form of several types of scarab beetles including Oriental beetles, Japanese beetles, chafer beetles and green June beetles.

Do You Need Lawn Grub Control?

There are several types of damage in the lawn that may indicate grubs. Brown patches that don't green up in the spring may be the result of grubs feeding the previous fall. In late summer and fall, randomly shaped dead patches may indicate grubs.

How to Control Grubs in Grass

Some grub control methods are simply good lawn care practices. A healthy, thick lawn discourages beetles and grubs, and has a deep root system that'll be more tolerant of damage that does occur. See 8 Easy Tips for the Perfect Lawn for ideas on how to maintain a healthy lawn.

Repairing Lawn Grub Damage

Once you've found an effective method of lawn grub control, you need to repair the damage they caused. Some areas may recover simply with proper care. Just clear away the dead material and water the damaged area.

What is the best treatment for grubs?

There is a range of treatments that you can use for grubs, ranging from preventative measures, insecticides, and natural therapies. Finding the right one for you doesn’t need to be difficult; we will outline them now for you!

How do you know if you have grubs in your lawn?

You can check for grubs by lifting a piece of turf. If the patch rolls up like a carpet, or the grass has no roots when you lift it out, you have grubs. You can also tell if you have grubs if you notice any irregularly shaped dead patches on a well-irrigated lawn appear.

Is it too late to treat for grubs?

Not necessarily. The best time to treat for grubs in the late summer or early fall when you are likely to remove the young grubs and stop repopulation.

What are the white grubs in my lawn?

The white grub worms in your lawn are a larval stage of scarab beetles. As soon as winter ends, these worms become active when warmth kicks in. They start to damage your lawn by eating grass roots at a high rate. Grubs are larvae of June bugs, May bugs and Japanese beetles.

How do I know if I have grubs in my lawn?

Here are signs of grubs in your lawn and how to check for these destructive worms: Dead patches in the lawn: You’ll observe patches of brown or dead spots as the grass starts to thin out, turn yellow, and die. This occurs because grubs feed on roots, thus killing your turfgrass easily.

How long should I water my lawn after applying nematodes?

Water the lawn 15-20 minutes after applying the nematodes for the best results. Repeat the application after two weeks for the best results in controlling grubs in your lawn. The beneficial nematodes, also called entomopathogenic nematodes, are very effective and mobile in moist environments.

What are grubs in my yard?

Grubs are larvae of June bugs, May bugs and Japanese beetles. If you fail to identify and kill lawn grubs on time, they’ll develop into pupae, and later into full-grown beetles. The beetles will later start eating lawn grass and other foliage in your yard, causing even further plant damage.

Why do grubs kill grass?

Grubs kill grass because they feed on the roots. If the damage is extensive, it may be difficult to attempt reviving the grass successfully.

How to control Japanese beetle larvae?

Introducing milky spore disease in your lawn will help control the Japanese beetle larva and reduce their population naturally. The disease is applied on the turf as a dust and is very effective in controlling Japanese beetle grubs. As the grubs feed on the roots of the grass, they ingest the bacteria and get infected and die.

Why is my lawn turning brown?

A lawn that’s developing brown patches and showing signs of weakening could be suffering from disease. Fungal infections commonly produce brown spots, but even white grubs in your lawn can cause similar signs.

How to use Bonide insecticide?

Use a rotary, drop, or hand spreader to apply over the affected area and water thoroughly to activate. The systemic component is most effective when applied in early summer. This 6-pound bag treats up to 7,500 square feet. The active ingredients are 0.5 percent imidacloprid and 0.1 percent Lambda-cyhalothrin.

What insects does a rotary spray kill?

This product also kills ants, ticks, billbugs, chinch bugs, crickets, cutworms, earwigs, grasshoppers, and more. The 20-pound bag covers up to 10,000 square feet.

How to use Ortho Bugclear?

In addition to lawns, this product is safe to use as directed in flower beds and vegetable gardens. Apply with any rotary, drop, or handheld spreader. One treatment kills and protects against grubs and most other insect pests for up to three months. This 20-pound bag treats up to 20,000 square feet. The active ingredient is 0.115 percent Bifenthrin.

What is milky spore?

Milky spore is a naturally occurring microscopic bacteria that feeds on beetle larvae. The spores grow and reproduce in the soil, reaching peak strength within 3 years and persisting another 10 or more years. This environmentally friendly product from St. Gabriel Organics can prevent such an infestation without harming people, animals, or beneficial insects. Apply the dry powder in concentrated deposits (spoonfuls) at 3- to 4-foot intervals across the lawn or garden. This 10-ounce package treats up to 2,500 square feet. The active ingredient is bacteria species Bacillus popilliae.

How to mix insecticides?

Always read and follow the manufacturer’s instructions for mixing and applying insecticides, both organic and synthetic. Wear protective clothing such as gloves, eyewear, long sleeves, and closed-toe shoes while mixing and handling. Avoid splashing and spills of liquids. Dry products may be dusty.

Can you use a granular grub killer on a walk behind lawn?

Also, you may need to dilute some products with water before application. Granular grub killers are convenient to apply with a handheld or walk-behind lawn spreader. After spreading, simply return any remaining granules in the spreader to the bag for storage. While this is a relatively clean and convenient way to treat, ...

Does Bayer insecticide kill grubs?

Bayer Crop Science Complete Insect Killer offers a two-step approach for controlling grubs and many other pests. It includes an insecticide that kills on contact and a systemic insecticide that protects grass from the inside out. This broad-spectrum insect spray kills and protects against grubs and other soil-dwelling insects for up to three months. It is also effective against 62 listed pests, including ants, chiggers, deer ticks, fleas, and others in soil and turfgrass areas.

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