A strong grub worm killer for lawns should match the infestation’s urgency and your treatment window, making BioAdvanced Season Long Grub Control Granules a compelling fit for homeowners seeking one application of season-long protection. This roundup compares ten products by format, stated coverage, pest targets, and control duration. Options range from granules advertised to kill grubs within 24 hours to products intended to protect through a season, plus a liquid concentrate and a biological powder aimed specifically at Japanese beetle grubs.
Those differences matter: a fast-acting treatment is not the same choice as a preventive application, and coverage varies from 5,000 to 16,000 square feet where stated. Check each product label for application instructions, target pests, and precautions before choosing or applying a treatment.
BioAdvanced Season Long Grub Control Granules is the best overall pick because it is specifically made for lawns, targets grubs and other listed lawn pests above and below the surface, and promises season-long control from one application. Choose it when lasting coverage matters more than an advertised overnight kill. If grubs are already present and fast action is the priority, BioAdvanced 24-Hour Grub Plus Insect Killer is the better fit: its listing says it kills grubs within 24 hours and treats up to 10,000 square feet.
Our Top Picks

BioAdvanced Season Long Granules
One application is stated to protect all season; the granules target grubs above and below the surface and more than 13 listed grub species.
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Fastest Stated ActionThe listing says it kills grubs within 24 hours, treats up to 10,000 square feet, and targets several other listed lawn pests.
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Broad Landscape UseIt is listed for lawns, ground covers, flower beds, and ornamental tree bases, with a 15-pound bag treating up to 5,000 square feet.
View on Amazon- Season-Long Coverage Bonide Annual Grub Beater
- Largest Stated Coverage Southern Ag Grubs Away
Compare the grub control options
| # | Product | Weight | Form | Buy |
|---|---|---|---|---|
| 1 | 1. BioAdvanced Season Long GranulesBest Overall | 10 lb | Granules | View on Amazon |
| 2 | 2. BioAdvanced 24-Hour Grub PlusFastest Stated Action | 20 lb | Granules | View on Amazon |
| 3 | 3. Hi-Yield Grub Free Zone IIBroad Landscape Use | 15 lb | Granules | View on Amazon |
| 4 | 4. Bonide Annual Grub BeaterSeason-Long Coverage | 0.27 g | Granules | View on Amazon |
| 5 | 5. Southern Ag Grubs AwayLargest Stated Coverage | 4.08 kg | — | View on Amazon |
| 6 | 6. Atticus Asenra SRXExtended turf and landscape control | 1.28 oz | Liquid | View on Amazon |
| 7 | 7. Andersons DuoCideBroad-spectrum soil granules | — | Granule | View on Amazon |
| 8 | 8. Bonide Insect and Grub ControlLawn and foundation perimeter | 6 lb | Granules | View on Amazon |
| 9 | 9. Spectracide TriazicideHose-end broad insect spray | 2.4 lb | Spray | View on Amazon |
| 10 | 10. St. Gabriel Milky SporeJapanese beetle grub control | 2.5 lb | Granules | View on Amazon |
Detailed Reviews: Best Grub Worm Killer For Lawns

#1 · Best Overall
1. BioAdvanced Season Long Granules
- Weight: 10 lb
- Form: Granules
Best for: Season-long lawn protection.
Why it ranks #1: One application is stated to protect all season; the granules target grubs above and below the surface and more than 13 listed grub species.
One application creates a season-long protective zone, giving lawn owners a single-treatment approach to listed grubs and other damaging insects. BioAdvanced’s granules target pests above and below the surface, and the listed control includes more than 13 grub types as well as ants, ticks, and chinch bugs.
The 10-pound granule bag combines season-long control with a broad listed pest range, making it a fit for buyers addressing grubs alongside insects such as mole crickets, ticks, and chinch bugs. Because the product is stated to work above and below the surface, one application can protect turf against pests in both locations. It is listed for all lawn types, so the stated use is not limited to a particular kind of grass. Apply only according to the product label.
- One application provides season-long grub control.
- Targets listed insects above and below the surface.
- Controls more than 13 listed grub types.
- Listed for all lawn types.
- The supplied information does not state a treatment coverage area for the 10-pound bag.
Skip it if you need a stated square-foot coverage figure; BioAdvanced 24-Hour Grub Plus lists treatment for up to 10,000 square feet.
Choose this for a lawn where a single seasonal application and control of several listed insect types are priorities. Its stated fit spans all lawn types, but the supplied product details do not give a coverage-area figure.
Full product details
| Brand | BioAdvanced |
|---|---|
| Included Components | Season Long Grub Control |
| Item Form | Granules |
| Item Weight | 10 pounds |
| Manufacturer | SBM Life Science |
| Model Number | 700705H |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: BioAdvanced Season Long Grub Control Granules – 10 lb Bag
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#2 · Fastest Stated Action
2. BioAdvanced 24-Hour Grub Plus
- Weight: 20 lb
- Form: Granules
Best for: Fast-response grub treatment.
Why it ranks #2: The listing says it kills grubs within 24 hours, treats up to 10,000 square feet, and targets several other listed lawn pests.
Grubs are killed within 24 hours, giving this ready-to-spread BioAdvanced formula a clear role when an infestation is already showing. The 20-pound bag treats up to 10,000 square feet and also targets listed pests including ticks, billbugs, chinch bugs, crickets, and cutworms.
Use this granule treatment at the first sign of grubs or other listed pests, then water it in thoroughly; the supplied directions connect watering with contact kill. The 24-hour grub action suits buyers seeking a quick response rather than a season-long prevention claim. Its stated coverage of up to 10,000 square feet helps with planning a lawn treatment, while the broad insect list may address several concurrent lawn pests in one application. Carpenter, fire, harvester, and pharaoh ants are excluded.
- Kills grubs within 24 hours.
- Treats up to 10,000 square feet.
- Targets a range of listed lawn insects.
- Directions specify watering in thoroughly.
- Ant control excludes carpenter, fire, harvester, and pharaoh ants.
Skip it if you want season-long protection from one application; BioAdvanced Season Long Grub Control is specifically listed for that use.
This suits lawn owners responding to visible grub activity who want stated 24-hour control and coverage up to 10,000 square feet. It is intended for pests that are present, and the listed ant exclusions matter.
Full product details
| Brand | BioAdvanced |
|---|---|
| Included Components | Bag |
| Item Form | Granules |
| Item Weight | 20 pounds |
| Manufacturer | SBM Life Science |
| Model Number | 700745S |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: BioAdvanced 24-Hour Grub Plus Insect Killer Outdoor for Lawns, Ant, Tick, 20-Pound Ready-to-Spread Granules, Standard Bag
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#3 · Broad Landscape Use
3. Hi-Yield Grub Free Zone II
- Weight: 15 lb
- Form: Granules
Best for: Lawn and flower-bed treatment.
Why it ranks #3: It is listed for lawns, ground covers, flower beds, and ornamental tree bases, with a 15-pound bag treating up to 5,000 square feet.
A 15-pound bag treats up to 5,000 square feet, giving Hi-Yield Grub Free Zone II a defined coverage area for lawns or flower beds. Its seasonal grub and insect control also extends to ground covers and around ornamental tree bases, with application allowed from spring through summer.
The granules offer a useful combination of measured lawn or flower-bed coverage and several listed landscape locations. Buyers can apply the product to lawns, ground covers, flower beds, and around ornamental tree bases, rather than limiting the treatment to turf. The supplied information says to apply from spring through summer and notes that best results come from application before grubs hatch. Specific directions also describe applying around roses and shrubs, making the label relevant when treating those plantings.
- A 15-pound bag treats up to 5,000 square feet.
- For lawns, ground covers, and flower beds.
- Can be used around ornamental tree bases.
- Application window runs from spring through summer.
- The listed coverage is limited to up to 5,000 square feet per 15-pound bag.
Skip it if you need coverage beyond 5,000 square feet from one bag; BioAdvanced 24-Hour Grub Plus lists treatment for up to 10,000 square feet.
This is a fit for buyers treating a defined lawn or flower-bed area while also addressing ground covers or ornamental tree bases. Its listed coverage is up to 5,000 square feet, and timing before grub hatch is advised.
Full product details
| Brand | Hi-Yield |
|---|---|
| Included Components | 1 |
| Item Form | Granules |
| Item Weight | 15 pounds |
| Manufacturer | Arett Sales – LG |
| Model Number | 33054 |
| Special Features | special_feature |
| Additional Information | Important information Safety Information safety_warning Directions Not_Applicable |
Listed on Amazon as: Hi-Yield (33054) Grub Free Zone II, 15 lbs
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#4 · Season-Long Coverage
4. Bonide Annual Grub Beater
- Weight: 0.27 g
- Form: Granules
Best for: Season-long systemic granules.
Why it ranks #4: This annual grub treatment covers up to 5,000 square feet and is directed for application from late May through mid-August.
Bonide’s stated late-May-through-mid-August application window gives this six-pound annual grub treatment a clear seasonal schedule. The granules cover up to 5,000 square feet and provide season-long control for nearly all turf-damaging grub species, with feeding activity said to stop immediately.
The stated coverage of up to 5,000 square feet helps buyers estimate how much lawn an individual six-pound bag can treat. Apply granules to soil during the listed late-May-through-mid-August window for best results; the supplied information describes the resulting control as season-long. The product is specifically presented for nearly all turf-damaging grub species, making it a focused option for grub control rather than a claim of broad control over many named insect types. Follow local regulations and application directions.
- Treats up to 5,000 square feet.
- Provides season-long grub control.
- Covers nearly all turf-damaging grub species.
- Stops feeding activity immediately, according to the supplied description.
- Best-results application is limited to late May through mid-August.
Skip it if you need control of named non-grub pests too; Bonide Insect and Grub Control lists ticks, fleas, cutworms, and other insects.
Choose this for a lawn-focused annual grub application when the stated seasonal timing and 5,000-square-foot coverage suit your plan. Its supplied claims emphasize grub species, not a long list of other named lawn insects.
Full product details
| Brand | Bonide |
|---|---|
| Included Components | Bonide |
| Item Form | Granules |
| Item Weight | 0.27 g |
| Manufacturer | Arett Sales – LG |
| Model Number | 603 |
| Additional Information | Important information Safety Information safety_warning Directions Apply granules to soil, covering up to 5,000 square feet, late May through mid-August for best results. This provides season-long grub control. Follow local regulations and always wear appropriate protective clothing when handling and applying the product. |
Listed on Amazon as: Bonide Annual Insect Control with Systemaxx, Grub Beater Granules, 6 lbs
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#5 · Largest Stated Coverage
5. Southern Ag Grubs Away
- Weight: 4.08 kg
Best for: Landscape and turf coverage.
Why it ranks #5: The 9-pound systemic granule product treats up to 6,400 square feet and lists grubs, billbugs, crane flies, and mole crickets as targets.
Southern Ag Grubs Away treats up to 6,400 square feet, providing a defined coverage target for buyers treating turf or landscape plants. Its granules contain 0.5% imidacloprid and control listed grubs, mole crickets, and insect larvae, while also suppressing chinch bugs when applied at the stated timing.
The product’s coverage figure and application rate—1.4 to 1.8 pounds per 1,000 square feet—help buyers plan granule use across a lawn or landscape planting. Apply before egg hatch of the target pest, then provide sufficient irrigation, as directed in the supplied description. The listed control includes grubs, billbugs, European crane fly, annual bluegrass weevil, and mole crickets; chinch bugs are described as suppressed when treatment precedes hatching of first-instar nymphs. Timing is therefore an important part of fit.
- Treats up to 6,400 square feet.
- For turfgrasses and landscape plants.
- Controls listed grubs, billbugs, and mole crickets.
- Includes a stated application rate per 1,000 square feet.
- Chinch bug suppression depends on application before first-instar nymphs hatch.
Skip it if you need stated 24-hour grub kill; BioAdvanced 24-Hour Grub Plus specifies that result.
This fits buyers treating turf or landscape plants who can time application before target-pest egg hatch and follow the stated rate. Chinch bug suppression has a specific timing condition, unlike its listed grub control.
Full product details
| Brand | Southern Ag |
|---|---|
| Item Weight | 4.08 kg |
| Manufacturer | Southern Ag |
Listed on Amazon as: Grubs Away Systemic Insect Control – 9 Pound Bag
View on AmazonWhy it ranks #6: Its 18.4% chlorantraniliprole formula is stated to provide control for up to 120 days against white grubs and several other turf pests.
Up to 120 days of control is the defining feature of Atticus Asenra SRX, enabling extended treatment of turf pests with a liquid containing 18.4% chlorantraniliprole. Its listed targets include root-feeding white grubs and above-ground pests such as billbugs and caterpillars, with landscape ornamentals also included in its protection claims.
The liquid formulation combines above- and below-ground pest control with a stated duration of up to 120 days, which may suit buyers managing turf pests across a longer treatment window. Its listed white grub targets include Japanese beetle and black turfgrass Ataenius, while billbugs and caterpillars extend the control list above ground. The product also states that it kills leaf-eating insects to safeguard landscape ornamentals. The supplied details direct buyers to the label for the complete control list.
- Control lasts up to 120 days.
- Contains 18.4% chlorantraniliprole.
- Targets listed root-feeding white grubs and above-ground pests.
- Also protects landscape ornamentals from leaf-eating insects.
- The supplied facts give no treatment coverage area for the 4-ounce bottle.
Skip it if you need a stated lawn coverage area; Southern Ag Grubs Away lists treatment for up to 6,400 square feet.
Consider this liquid for buyers treating turf and landscape ornamentals who value a stated control period of up to 120 days. Check its label for the full pest list and application details before choosing it.
Full product details
| Brand | Atticus |
|---|---|
| Included Components | 4 oz bottle of Asenra SRX |
| Item Form | Liquid |
| Item Weight | 1.28 ounces |
| Manufacturer | Atticus |
| Special Features | Long-Lasting |
Listed on Amazon as: Atticus Asenra SRX (4oz) Chlorantraniliprole Grub/Armyworm Insecticide
View on AmazonWhy it ranks #7: This lawn granule lists more than 50 common pests, including grubs, and its DG granules disperse when watered to move pesticides into soil.
DuoCide’s DG granules disperse quickly and completely when watered, moving pesticides directly into the soil for a stated double-kill effect above and below the lawn surface. The formula combines bifenthrin and carbaryl and lists more than 50 common lawn pests, including grubs, ticks, fire ants, fleas, and mole crickets.
The granular format and watering-activated dispersal connect application to soil delivery, a useful feature when targeting grubs alongside above-ground lawn pests. The product claims a single application can eliminate pests both above and below the surface, while its more-than-50-pest list includes several common lawn insects. Its stated coverage is up to 9,000 square feet, helping buyers gauge area, and the listed formula contains two professional-grade insecticides. It is not for sale in California, and the supplied safety information warns against application if rain is expected within 24 hours.
- Covers up to 9,000 square feet.
- DG granules disperse when watered and move pesticides into soil.
- Single application targets pests above and below the lawn surface.
- Lists more than 50 common lawn pests.
- Not for sale in California.
Skip it if you are in California; Spectracide Triazicide is listed for lawn and landscape use without this product's California sales restriction.
This suits buyers seeking broad lawn-pest coverage in a watered-in granule treatment, with stated coverage up to 9,000 square feet. It is not for sale in California, and rain within 24 hours is a stated application concern.
Full product details
| Brand | The Andersons |
|---|---|
| Item Form | Granule |
| Manufacturer | The Andersons |
Listed on Amazon as: The Andersons DuoCide Professional-Grade Lawn Insect Control – Covers up to 9,000 sq ft (18 lb)
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#8
8. Bonide Insect and Grub Control
- Weight: 6 lb
- Form: Granules
Best for: Lawn and foundation perimeter.
Why it ranks #8: The 6-pound outdoor granules target grubs and numerous listed lawn insects, with application described for spring through summer.
Bonide Insect and Grub Control combines lawn treatment with outdoor use around a home’s foundation, letting buyers address listed pests in both locations with granules. The product is described as an annual application for above- and below-ground control, and its list includes grubs, ticks, fleas, cutworms, and chinch bugs.
This six-pound granule product is labeled for outdoor use on lawns and around the foundation, extending its application beyond turf while expressly excluding indoor use. The supplied description calls it an annual application and says it controls insects above and below ground, a combination relevant to buyers dealing with pests in multiple outdoor zones. Its listed targets include grubs, cranefly, ticks, fleas, cutworms, and sod webworms. The application window is anytime from spring through summer.
- For outdoor use on lawns and around foundations.
- Controls listed pests above and below ground.
- Targets grubs, ticks, fleas, cutworms, and other listed insects.
- Application window runs from spring through summer.
- Not for indoor use.
Skip it if you need a treatment for indoor pests; this Bonide product is expressly for outdoor use only.
This suits homeowners who want one outdoor granule product for lawn pests and the foundation perimeter. Its stated use is limited to outdoors, so it is not an option for treating insects inside the home.
Full product details
| Brand | Bonide |
|---|---|
| Included Components | Concentrate |
| Item Form | Granules |
| Item Weight | 6 pounds |
| Manufacturer | Arett Sales – LG |
| Model Number | 60360 |
| Warranty Description | No Warranty |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: Bonide (BND60360) – Insect and Grub Control, Outdoor Insecticide/Pesticide Granules (6 lb.)
View on AmazonWhy it ranks #9: This ready-to-spray lawn and landscape product lists grubs among 260-plus contact-killed insects and states coverage up to 16,000 square feet.
The 32-ounce ready-to-spray Triazicide connects to a hose end, enabling lawn and landscape treatment without mixing a dilutable concentrate. Spectracide lists contact control of more than 260 insects, including grubs, ants, fleas, deer ticks, and Japanese beetles, with use across lawns and several plantings.
The ready-to-spray format makes this a practical option for buyers who want to apply a liquid through a hose-end connection rather than prepare a concentrate. The stated use extends across lawns, trees, flowers, shrubs, and vegetables, giving one product a broad outdoor role. Its contact-control list exceeds 260 insects and includes grubs, while the supplied description says the ready-to-spray product works in 24 hours and can treat up to 16,000 square feet. Siding claims depend on age and cleanliness.
- Ready-to-spray hose-end application.
- Lists contact control of more than 260 insects.
- Can treat up to 16,000 square feet.
- For lawns, trees, flowers, shrubs, and vegetables.
- Non-staining claims for home siding depend on siding age and cleanliness.
Skip it if you prefer granules applied to soil; The Andersons DuoCide uses granules that disperse into soil when watered.
Choose this for buyers seeking hose-end liquid treatment across lawns and multiple landscape plantings, with stated coverage up to 16,000 square feet. Siding use has a stated qualification tied to age and cleanliness.
Full product details
| Brand | Spectracide |
|---|---|
| Item Form | Spray |
| Item Weight | 2.4 pounds |
| Manufacturer | United Industries |
| Model Number | 95830 |
| Warranty Description | 100-Percent Guarantee |
Listed on Amazon as: Spectracide Triazicide Insect Killer for Lawns & Landscapes 32 Oz
View on AmazonWhy it ranks #10: Its biological approach specifically targets Japanese beetle grubs and claims years of soil activity, making it less broadly suited to unspecified grub problems.
Milky Spore’s Bacillus popilliae spores multiply and remain active in soil for years after application, making this powder a long-duration option focused on Japanese beetle grubs. One 40-ounce bag covers up to 10,000 square feet, and the product is described as safe around pets and beneficial insects.
The product’s defining biological approach is tied specifically to Japanese beetle grubs, so it fits buyers targeting that pest rather than seeking a general grub-control list. The stated persistence of spores in soil for years may reduce the need to repeat applications, although the supplied facts do not specify an exact treatment schedule. A 10,000-square-foot coverage claim gives the 40-ounce bag a broad stated area, while outdoor-only use sets a clear boundary for where it belongs.
- Targets Japanese beetle grubs.
- Spores remain active in soil for years.
- One bag covers up to 10,000 square feet.
- Listed as safe around pets and beneficial insects.
- The listed grub target is Japanese beetle grubs, not a broad range of grub species.
Skip it if you need stated control of multiple grub species; BioAdvanced Season Long Grub Control lists control of more than 13 grub types.
Consider this for outdoor lawns where Japanese beetle grubs are the target and long-lasting soil activity is a priority. Its stated pest focus is narrower than a multi-species grub treatment.
Full product details
| Brand | St. Gabriel Laboratories |
|---|---|
| Item Form | Granules |
| Item Weight | 2.5 pounds |
| Manufacturer | Gardener's Supply Co. |
| Model Number | 80040-6 |
| Special Features | Ready to Use |
| Additional Information | Important information Safety Information Outdoor use only |
Listed on Amazon as: St. Gabriel Organics Milky Spore Powder Grub Control, 40oz
View on AmazonWhy a grub treatment may not fix lawn damage
A grub treatment may fail to improve a lawn if the damage is not caused by a listed grub species or if the product is applied outside its directions. These products do not all target the same pests: St. Gabriel Milky Spore specifically targets Japanese beetle grubs, while BioAdvanced Season Long Granules and several others list broader grub or lawn-insect control.
Timing differs too. Bonide Annual Grub Beater specifies late May through mid-August, while Southern Ag Grubs Away says to apply before egg hatch of the target pest.
A product’s coverage claim also does not establish that every infestation will respond equally. Identify the likely pest and check the label’s target list and timing before treating. If the lawn has extensive damage or the cause is unclear, choosing solely from a broad insect list risks treating the wrong problem.
Match the treatment format to the lawn and instructions
The product format affects how you handle and apply the treatment, but the label—not the format alone—determines the required process. Most products here are granules, while Atticus Asenra SRX is a liquid and Spectracide Triazicide is a ready-to-spray product. Some granule listings explicitly require water: BioAdvanced 24-Hour Grub Plus says to water in thoroughly, and Andersons DuoCide says its granules disperse when watered.
Coverage figures are not interchangeable: Spectracide states up to 16,000 square feet, BioAdvanced 24-Hour Grub Plus up to 10,000, and Hi-Yield Grub Free Zone II up to 5,A larger package or higher coverage figure does not mean the product is appropriate for every lawn or pest.
Confirm the treated area, application rate, water-in directions, and permitted use on the product label before buying.
How to Choose Lawn Grub Killer
Speed versus duration
Look for a product whose stated timing matches whether you need to address active grubs or plan ahead. BioAdvanced 24-Hour Grub Plus says it kills grubs within 24 hours and recommends use at the first sign of infestation. By contrast, BioAdvanced Season Long Granules promises one application for season-long protection, while Bonide Annual Grub Beater also describes season-long control and gives a late-May-to-mid-August application window.
Atticus Asenra SRX claims control lasting up to 120 days. Buyers dealing with a visible, current infestation may prefer the 24-hour claim; those planning a preventive treatment may favor a season-long option, provided its label timing and target pests fit their lawn.
Coverage and package size
Compare the stated coverage with the area you intend to treat, then check the label rate rather than relying on package weight alone. Coverage ranges from up to 5,000 square feet for Hi-Yield Grub Free Zone II and Bonide Annual Grub Beater to up to 10,000 for BioAdvanced 24-Hour Grub Plus. Southern Ag Grubs Away lists up to 6,400 square feet, while Spectracide Triazicide states up to 16,000 square feet.
A larger lawn may make a higher stated coverage more convenient, whereas a smaller treatment area may suit a 5,000-square-foot bag. Coverage claims depend on label directions and application rate, so verify the quantity needed for your lawn before selecting a package.
Target pests and application fit
Choose a product whose listed targets and use directions match the pest and the part of your property you plan to treat. BioAdvanced Season Long Granules targets grubs and more than 40 listed lawn-damaging insects; Hi-Yield Grub Free Zone II is also listed for ground covers and flower beds. St.
Gabriel Milky Spore is narrower, targeting Japanese beetle grubs, while Southern Ag Grubs Away lists grubs, billbugs, crane flies, and mole crickets. If you want a spray, Spectracide Triazicide is ready to use with a hose-end sprayer; most other options are granules.
Buyers seeking broad lawn pest coverage should compare target lists, while buyers with a specific grub species should prioritize that product’s label.
Which Grub Killer Fits My Lawn?
For a general lawn treatment with one application and season-long control, choose BioAdvanced Season Long Granules, the overall pick. If grubs are present and the stated 24-hour kill matters most, select BioAdvanced 24-Hour Grub Plus and follow its direction to water granules in thoroughly. For a lawn with nearby beds or ground covers, Hi-Yield Grub Free Zone II is listed for those uses as well as lawns.
Buyers planning around a seasonal application window can consider Bonide Annual Grub Beater, which specifies late May through mid-August. Choose Southern Ag Grubs Away when its listed 6,400-square-foot coverage and pest targets fit the job.
For Japanese beetle grubs specifically, St. Gabriel Milky Spore is the targeted option, but its narrower scope makes it a weaker general-purpose choice.
Frequently Asked Questions
When should I apply grub killer to my lawn?
Apply it according to the product label and the timing it specifies. For example, Bonide Annual Grub Beater lists a late-May-through-mid-August application window, while BioAdvanced Season Long Grub Control is described as a one-application, season-long option. Check the label for the product you choose rather than assuming all treatments share the same timing.
Should I water the lawn after applying grub control?
Follow the product label, because watering directions can differ. The listed directions for BioAdvanced 24-Hour Grub Plus say to water the granules in thoroughly. That instruction should not be assumed to apply to every product in this roundup; check the specific package before and after application.
How can I tell whether lawn damage is caused by grubs?
Look for signs of grubs in the damaged area, rather than relying on lawn discoloration alone. The products here are presented for grub control, but the supplied listings do not provide a diagnostic test or a complete symptom guide. Check the lawn and confirm the cause before choosing a treatment.
Which option is suited to grubs already present?
BioAdvanced 24-Hour Grub Plus is the better fit when grubs are already present and fast action matters most: its listing says it kills grubs within 24 hours. Follow its label directions, including the instruction to water the granules in thoroughly, and choose the season-long option when lasting coverage is the priority.
Which option is specifically targeted to Japanese beetle grubs?
St. Gabriel Milky Spore is the targeted option for Japanese beetle grubs. Its narrower scope makes it a weaker choice for general-purpose lawn pest control, so consider the other listed options if you need broader coverage.
Check the product label to confirm the pests and uses covered.
Final Words
For a general lawn treatment, BioAdvanced Season Long Grub Control Granules is the overall pick: it is made for lawns, targets listed pests above and below the surface, and promises season-long control from one application. If grubs are present and a stated 24-hour kill is the priority, choose BioAdvanced 24-Hour Grub Plus. For more specific needs, compare the listed use, timing, coverage, and pest targets, then follow the product label.





