10 Best Lawn Insect Killer Granules to Protect Your Yard From Pests

I’ve found the best lawn insect killer granules combine broad-spectrum coverage with long-lasting protection for maximum yard defense. BioAdvanced Complete Brand covers 20,000 square feet against 40+ pests, while Spectracide Triazicide delivers season-long ant control across 50,000 square feet. For grub-specific problems, I recommend Scotts GrubEx1‘s annual application or BioAdvanced 24-Hour Grub Plus for rapid results. Control Solutions Bifen LP provides 90-day protection, making it ideal for severe infestations. The following detailed breakdown will help you select the perfect granular solution for your specific pest challenges.

We are supported by our audience. When you purchase through links on our site, we may earn an affiliate commission, at no extra cost for you. Learn more. Last update on 11th September 2025 / Images from Amazon Product Advertising API.

Notable Insights

• Choose granules with dual-action formulas like BioAdvanced or Andersons DuoCide to target both surface and soil-dwelling pests effectively.
• Match coverage area to your lawn size, with options ranging from 5,000 square feet to 50,000 square feet available.
• Look for broad-spectrum products like Ortho or Spectracide that target 30-100+ different insect species for comprehensive protection.
• Consider application frequency preferences: annual treatments like Scotts GrubEx1 versus fast-acting 24-hour options like BioAdvanced Grub Plus.
• Select active ingredients based on pest type: pyrethroids for surface pests or bifenthrin for long-lasting residual control.

BioAdvanced Complete Brand Insect Killer for Lawns, Granules, 20 LB

If you’re dealing with a thorough pest invasion that includes both surface-dwelling insects and underground grubs, the BioAdvanced Complete Brand Insect Killer stands out as your battlefield commander. This all-encompassing granular formula targets over 40 destructive lawn insects, including ants, fleas, ticks, chinch bugs, and mole crickets, providing both immediate contact kill and long-term protection. You’ll appreciate its dual-action approach, which eliminates pests above and below the soil surface while creating a protective barrier that lasts for months. The 20-pound coverage guarantees you can treat substantial lawn areas, and customers consistently praise its effectiveness against challenging pests like fire ants and grubs.

Best For: Homeowners dealing with comprehensive pest problems who need a single solution to eliminate both surface insects and underground grubs across large lawn areas.

Pros:

• Targets over 40 different lawn pests both above and below ground with dual-action formula
• Provides long-lasting protection for months with fire ant prevention up to 3 months
• Large 20-pound size offers excellent coverage for substantial lawn areas at good value

Cons:

• May require multiple applications for deeper or more established infestations
• Some users report pests returning after initial treatment period ends
• Granular application method may not be as precise as liquid treatments for spot control

BioAdvanced Complete Insect Killer for Soil and Turf (10 lb Granules)

BioAdvanced Complete Insect Killer stands as the all-inclusive solution for homeowners battling extensive pest infestations across large lawn areas. This 10-pound granular formula targets over 30 outdoor pests, delivering thorough protection that eliminates ants within 72 hours while controlling mosquitoes effectively. You’ll appreciate the extended coverage, treating up to 10,000 square feet with long-lasting protection that spans three months. The versatile application allows you to spread granules directly on soil, turf lawns, and around your home’s perimeter for complete pest management. This powerful insecticide provides reliable, season-long control for maintaining a pest-free outdoor environment.

Best For: Homeowners with large lawn areas up to 10,000 square feet who need comprehensive, long-lasting pest control for over 30 types of outdoor insects including ants and mosquitoes.

Pros:

• Controls over 30 different outdoor pests with a single application
• Provides up to 3 months of long-lasting protection across 10,000 square feet
• Fast-acting formula that kills ants within 72 hours

Cons:

• Large 10-pound size may be excessive for smaller yards or targeted treatments
• Granular application requires proper spreading equipment for even coverage
• Chemical insecticide may not be suitable for organic gardening or environmentally conscious users

Spectracide Triazicide Insect Killer for Lawns Granules (10 lb, Pack of 4)

Spectracide Triazicide Insect Killer for Lawns Granules stands out as the ideal choice for homeowners managing large properties or multiple lawn areas who need extensive, long-lasting insect control. This thorough four-pack provides exceptional value, covering up to 50,000 square feet total with each 10-pound bag treating 12,500 square feet effectively. You’ll appreciate the season-long ant control when applied at two pounds per 1,000 square feet, eliminating costly reapplications throughout the growing season. The granules target numerous lawn-damaging pests including ants, crickets, armyworms, and other listed insects with reliable effectiveness. Application remains straightforward: distribute granules evenly, water lightly, then allow children and pets to return once the treated area dries completely.

Best For: Homeowners with large properties or multiple lawn areas who need extensive, season-long insect control and want to stock up with a cost-effective bulk purchase.

Pros:

• Covers up to 50,000 square feet total with the four-pack, providing exceptional value for large properties
• Delivers season-long ant control at the recommended application rate, eliminating need for frequent reapplications
• Targets multiple lawn-damaging pests including ants, crickets, armyworms, and other listed insects with reliable effectiveness

Cons:

• Large 40-pound total quantity may be excessive for smaller lawns or single-season use
• Granular application requires watering and drying time before children and pets can safely return to treated areas
• Not effective against all ant species, specifically excluding harvester and pharaoh ants from its target list

Scotts GrubEx1 Season Long Grub Killer (5,000 sq. ft., 14.35 lbs.)

Scotts GrubEx1 Season Long Grub Killer stands out as the premier choice for homeowners who want extensive, long-lasting protection against multiple lawn pests with just one annual application. This preventative insecticide controls grubs, caterpillars, chinchbugs, and May/June beetles while helping manage Japanese beetles when used consistently. You’ll appreciate that one 14.35-pound bag covers 5,000 square feet and provides up to four months of protection, making it cost-effective for large properties. Apply the granules to dry grass in spring or early summer using your Scotts spreader, then water thoroughly to activate the formula. Remember, this product works best as preventative maintenance rather than treating active infestations.

Best For: Homeowners with large lawns who want preventative, long-lasting protection against grubs and other lawn pests with a single annual application.

Pros:

• Provides up to 4 months of protection with just one application per year
• Controls multiple pests including grubs, caterpillars, chinchbugs, and May/June beetles
• Cost-effective coverage of 5,000 square feet per bag with easy spreader application

Cons:

• Not effective for treating active infestations, only works as preventative maintenance
• Higher price point compared to some competitive products
• Requires precise timing of spring or early summer application for optimal results

BioAdvanced 24-Hour Grub Plus for Lawns, Insect Killer (10-Pounds)

When grub infestations threaten your lawn’s health and appearance, you need a fast-acting solution that delivers all-encompassing pest control. BioAdvanced 24-Hour Grub Plus combines trichlorfon’s proven effectiveness with convenient granule application, targeting grubs, ants, and ticks across 5,000 square feet. You’ll see results within 24 hours when you apply these ready-to-spread granules using standard rotary or drop spreaders during spring and summer months. This multi-purpose formula eliminates the guesswork of pest identification, as it controls various lawn-damaging insects simultaneously. Remember to water thoroughly after application for ideal absorption, and you can safely reapply up to three times annually for sustained protection.

Best For: Homeowners with grub infestations who need fast-acting, multi-purpose insect control for medium to large lawns up to 5,000 square feet and want convenient granule application without the need to identify specific pest types.

Pros:

• Delivers fast results with grubs killed within 24 hours of application
• Multi-purpose formula controls various lawn pests including grubs, ants, and ticks in one treatment
• Easy application with ready-to-spread granules that work with standard rotary or drop spreaders

Cons:

• Requires careful and thorough watering after application for optimal effectiveness
• Not immediately pet-friendly after application, requiring safety precautions
• No built-in measuring scoop included for precise application guidance

The Andersons DuoCide Professional-Grade Lawn Insect Control (18 lb)

The Andersons DuoCide Professional-Grade Lawn Insect Control delivers exceptional value for homeowners who need thorough pest elimination across large lawn areas, covering up to 9,000 square feet with its generous 18-pound package. You’ll appreciate its dual-action formula, which combines bifenthrin and carbaryl to target over 50 common lawn pests, including grubs, ticks, fire ants, mole crickets, and fleas. This professional-grade treatment eliminates insects both above and below your lawn’s surface with a single application, making it incredibly efficient for complete pest management. The product’s American manufacturing guarantees quality standards, though it’s not available for purchase in California due to local regulations.

Best For: Homeowners with large lawns up to 9,000 square feet who need comprehensive pest control that eliminates both above-ground and below-ground insects with a single professional-grade application.

Pros:

• Dual-action formula with bifenthrin and carbaryl eliminates over 50 common lawn pests in one application
• Covers up to 9,000 square feet, providing excellent value for large properties
• Targets pests both above and below the lawn surface for complete pest management

Cons:

• Not available for purchase in California due to local regulations
• Contains professional-grade insecticides that require careful handling and application
• May be overkill for smaller lawns or minor pest problems

BioAdvanced 24 Hour Lawn Insect & Fire Ant Killer, Granules, 20 lb

BioAdvanced 24 Hour Lawn Insect & Fire Ant Killer stands out as an exceptional choice for homeowners managing large properties who need thorough pest control across extensive lawn areas. This powerful granular treatment covers up to 25,000 square feet with just one application, making it incredibly cost-effective for expansive yards. The lambda-cyhalothrin active ingredient delivers immediate contact kills within minutes while providing season-long protection against fire ants, fleas, ticks, chinch bugs, grubs, and mole crickets. You’ll appreciate the convenient broadcast spreader application method, which guarantees even distribution across your entire lawn for consistent pest elimination throughout the growing season.

Best For: Homeowners with large properties up to 25,000 square feet who need comprehensive, long-lasting pest control for fire ants, fleas, ticks, chinch bugs, grubs, and mole crickets across extensive lawn areas.

Pros:

• Covers up to 25,000 square feet with one application, providing excellent value for large properties
• Delivers immediate contact kills within minutes while offering season-long protection
• Easy broadcast spreader application ensures even distribution and consistent pest elimination

Cons:

• Some customers report ineffectiveness specifically on red ants despite working well on other pests
• Full effectiveness may take longer than the advertised 24 hours, requiring patience for complete results
• Packaging issues reported by some customers affecting product quality and usability

Ortho Lawn Insect Killer Granules (20 lbs, Treats up to 20,000 sq. ft.)

Covering an impressive 20,000 square feet with just one 20-pound bag, Ortho Lawn Insect Killer Granules stands out as the ideal choice for homeowners managing large properties or multiple outdoor areas. You’ll appreciate its thorough protection against over 100 listed insects, targeting both above-ground and below-ground pests that threaten your lawn’s health. The granules effectively eliminate ants, spiders, fleas, ticks, and other common garden invaders while providing three months of residual control. Application couldn’t be simpler—just use your Scotts spreader, water thoroughly afterward, and let the treated area dry completely before allowing people and pets back onto your lawn.

Best For: Homeowners with large properties up to 20,000 square feet who need comprehensive, long-lasting insect control for their lawns, gardens, and outdoor living spaces.

Pros:

• Covers an impressive 20,000 square feet with just one 20-pound bag, making it cost-effective for large properties
• Provides 3-month residual control against over 100 listed insects both above and below ground
• Easy application with Scotts spreader and simple watering process for activation

Cons:

• Requires complete drying time before people and pets can safely re-enter treated areas
• May be excessive for smaller lawns or targeted pest problems
• Granular format requires watering for activation, which may not be ideal during drought conditions

TERRO T901-6 Ant Killer Plus Multi-Purpose Insect Control (3lb)

Versatility defines TERRO T901-6 Ant Killer Plus, making it an excellent choice for homeowners facing multiple pest challenges across their lawn and property perimeter. This granular insecticide targets ants, fire ants, roaches, fleas, crickets, earwigs, and other common yard pests with impressive efficiency. You’ll appreciate its fast-acting formula that eliminates insects within 24 hours while providing ongoing residual protection to prevent reinfestation.

The convenient 3-pound resealable shaker bag simplifies application around foundation perimeters, lawn areas, or directly on ant hills without requiring specialized equipment. You can confidently treat problem areas knowing this outdoor-use formula delivers reliable results against diverse pest populations threatening your landscape.

Best For: Homeowners dealing with multiple outdoor pest problems who need a versatile, easy-to-apply granular insecticide that works quickly against ants, roaches, fleas, and other common yard insects.

Pros:

• Fast-acting formula kills targeted pests within 24 hours and provides residual protection against reinfestation
• Targets a wide variety of pests including ants, fire ants, roaches, fleas, crickets, earwigs, and more in one product
• Convenient resealable shaker bag design allows easy application without needing specialized spreading equipment

Cons:

• Limited to outdoor use only, so cannot treat indoor pest problems
• Granular format may not be as precise for targeted application compared to liquid or spray formulations
• 3-pound size may be insufficient for treating large properties or extensive pest infestations

Control Solutions Bifen LP Granules for Insects- 1 Bag (25 lbs.)

Professional landscapers and dedicated homeowners who need thorough, long-lasting pest control will find Control Solutions Bifen LP Granules exceptionally effective for their outdoor spaces. This 25-pound bag delivers up to 90 days of continuous protection against ants, fleas, ticks, crickets, roaches, and scorpions across both residential and commercial properties. You can confidently apply these granules to lawns, gardens, and property perimeters, knowing they’ll maintain their potency for extended periods. The product’s impressive shelf life of one to two years guarantees you’ll have reliable pest control available when needed, provided you store the granules in their original container within a cool, dry location.

Best For: Professional landscapers and homeowners who need long-lasting outdoor pest control for large areas and want up to 90 days of protection against ants, fleas, ticks, crickets, roaches, and scorpions.

Pros:

• Provides up to 90 days of continuous pest control with a single application
• Large 25-pound bag covers extensive commercial and residential outdoor areas
• Long shelf life of 1-2 years when properly stored ensures product availability when needed

Cons:

• Limited to outdoor use only, not suitable for indoor pest control
• Requires proper storage conditions in original container in cool, dry place to maintain effectiveness
• May be more product than needed for small residential properties due to large bag size

Factors to Consider When Choosing Lawn Insect Killer Granules

When I’m selecting the right lawn insect killer granules for your yard, I always consider five essential factors that determine treatment success. First, you’ll need to identify your target pests accurately, whether they’re grubs, chinch bugs, or fire ants, since different insects require specific active ingredients. Additionally, I evaluate your lawn’s square footage, preferred application methods, ingredient safety profiles, and how long you need protection to last.

Target Pest Identification

Successful pest control begins with accurately identifying the specific insects damaging your lawn, since different granular products target distinct pest categories. I recommend examining your grass closely for signs like brown patches, chewed blades, or visible insects to determine what you’re dealing with. Surface-dwelling pests like chinch bugs require different treatments than soil-dwelling grubs, which feed on grassroots below ground. Understanding your target pest’s life cycle helps you time applications effectively—treating grubs before they hatch in spring maximizes control. Always select products that specifically list your identified pests on the label, ensuring the active ingredients match your particular infestation. Some granules control multiple pest types, but targeted approaches typically deliver better results for severe problems.

Coverage Area Requirements

Once you’ve identified your target pests, calculating your lawn’s total square footage becomes the next important step in selecting effective granular insecticides. Most products specify coverage areas ranging from 5,000 to 25,000 square feet, making accurate measurements essential for proper selection. I recommend choosing granules that match or exceed your lawn’s size to avoid multiple applications and guarantee consistent pest control. For example, if you’re managing a 10,000-square-foot lawn, selecting a product designed for that coverage area prevents product waste while maintaining effectiveness. Products covering larger areas often provide better value for expansive lawns, reducing purchase frequency and application time. Always verify that application instructions include clear coverage rates, as proper distribution directly impacts the product’s pest control effectiveness across your entire yard.

Active Ingredient Types

Understanding the specific active ingredients in granular insecticides empowers you to select products that effectively target your lawn’s pest problems. Pyrethroids, including Lambda-Cyhalothrin, deliver rapid knockdown effects against surface-feeding insects, while carbamates like Carbaryl provide quick elimination of grubs and other soil-dwelling pests. Bifenthrin stands out as a professional-grade option, offering broad-spectrum control with residual protection lasting up to 90 days. Systemic ingredients work differently by being absorbed into plant tissues, creating long-term defense against pests that feed on treated foliage. I recommend choosing products with active ingredients specifically formulated for your target pests, as concentration levels and formulation types directly impact both effectiveness and safety guidelines for your family and pets.

Application Method Preferences

Choosing the right application method guarantees your granular insecticide reaches target pests effectively while maintaining even coverage across your lawn. I recommend broadcast spreaders for large areas since they distribute granules efficiently across expansive lawns, while rotary spreaders work well for medium-sized yards. Drop spreaders offer precise control for smaller spaces and prevent overlap issues that can cause over-application.

For localized pest problems, I suggest spot treatments that target specific infested areas without treating your entire lawn unnecessarily. This approach saves product and reduces environmental impact while addressing immediate concerns.

Remember to follow manufacturer guidelines for spreader settings carefully, as proper calibration prevents under-application that won’t control pests or over-application that wastes product and potentially harms beneficial insects.

Duration of Protection

When selecting granular insecticides for your lawn, the duration of protection becomes a critical factor that directly impacts both your pest control success and application schedule. I’ve found that protection periods vary greatly among different granule formulations, ranging from immediate 24-hour results to thorough season-long control lasting three months or more. Some products work on contact, eliminating pests quickly, while others create long-lasting protective barriers that prevent new infestations from establishing. You’ll need to take into account your specific pest situation when choosing between these options. For deeper infestations, repeated applications may be necessary, whereas single treatments often suffice for prevention. Always read label instructions carefully, as manufacturers provide ideal timing recommendations that maximize each product’s protective duration and overall effectiveness.

Environmental Safety Considerations

Beyond timing your applications effectively, protecting our environment requires careful consideration of how granular insecticides interact with surrounding ecosystems. I recommend choosing products with clearly labeled active ingredients, allowing you to assess potential risks to beneficial insects like pollinators and natural predators. Look for granules offering residual protection without excessive chemical runoff, which helps preserve local waterways and protects aquatic life from contamination. You’ll want to follow specific application guidelines, particularly avoiding treatments before rainfall that can wash chemicals into storm drains. I encourage selecting certified environmentally safe or organic products, as these options maintain more stringent safety standards for both human health and ecological protection while still providing effective pest control.

On a final note

I’ve covered the top lawn insect killer granules that’ll effectively protect your yard from destructive pests, ranging from all-encompassing solutions like BioAdvanced’s multi-purpose formulas to specialized options like Scotts GrubEx1. When you’re selecting the right product, consider your specific pest problems, coverage area requirements, and application timing preferences. With these proven granular treatments, you’ll maintain a healthy, pest-free lawn that thrives throughout the growing season while protecting your investment.