10 Best Grub Killer For Lawns In Canada

Last updated on 05-04-2026
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Best Choice
1
9.8
Exceptional
Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (20000, 800-2000sqft)
The Grub Grenade

Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (20000, 800-2000sqft)

Why we love it
  • Fresh and ready use.
  • Easy application process.
  • Long-term pest control.
Main Highlights
  • Fresh -- Produced From Canada's Largest Beneficial Insect and Mite Producer
  • No Hassle Application -- Just Open End and Sprinkle on Target Area
  • One Application for Multiple Year or Lifetime Control
  • Controls Fungus Gnats, Pupating Thrips, Root Weevils, Root Aphids, Pathogenic Nematodes, and many more.
  • Not recommended for fast control of a severe fungus gnat infestation. Use preventatively or to cure healthy plants with a minor fungus gnat infestation. To remedy a severe fungus gnat infestation, use alongside beneficial nematodes and sticky traps for a fast knockdown, then follow up with these mites to give lasting control and protection. Using these alone to cure an established fungus gnat infestation can take upwards of 1 month.
9.8
Exceptional
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Best Value
2
9.6
Superb
Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (5000, 500sqft)
The Grub Grenade

Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (5000, 500sqft)

Why we love it
  • Fresh from Canada's top producer.
  • Hassle free application; sprinkle on.
  • One application provides lasting control.
Main Highlights
  • Fresh -- Produced From Canada's Largest Beneficial Insect and Mite Producer
  • No Hassle Application -- Just Open End and Sprinkle on Target Area
  • One Application for Multiple Year or Lifetime Control
  • Controls Fungus Gnats, Pupating Thrips, Root Weevils, Root Aphids, Pathogenic Nematodes, and many more.
  • Not recommended for fast control of a severe fungus gnat infestation. Use preventatively or to cure healthy plants with a minor fungus gnat infestation. To remedy a severe fungus gnat infestation, use alongside beneficial nematodes and sticky traps for a fast knockdown, then follow up with these mites to give lasting control and protection. Using these alone to cure an established fungus gnat infestation can take upwards of 1 month.
9.6
Superb
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3
9.5
Superb
2 Litre ORTHO KILLEX Lawn Weed Killer Concentrate, 2-Pack Bundle
Ortho Killex

2 Litre ORTHO KILLEX Lawn Weed Killer Concentrate, 2-Pack Bundle

Why we love it
  • Controls over 50 lawn weeds.
  • Safely protects your grass.
  • Perfect for large areas.
Main Highlights
  • 🟢 Controls over 50 different lawn weeds including dandelions, plantains, clover, creeping charlie and ragweed.
  • 🟢 Won’t harm your grass.
  • 🟢 Suitable for controlling weeds in large areas.
  • 🟢 2L Covers 1600 sq. m.
  • 🟢 Use with Scotts Dial ‘n Spray Multi-use Hose-end Sprayer.
9.5
Superb
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4
9.4
Superb
OnGuard Pro-Perm Insect Killer 3.78L, Bed Bug Spray, Fast Action, Residual (24/7), Non-Flammable, Water-Based Solution, Indoor and Outdoor Use.
OnGuard

OnGuard Pro-Perm Insect Killer 3.78L, Bed Bug Spray, Fast Action, Residual (24/7), Non-Flammable, Water-Based Solution, Indoor and Outdoor Use.

Why we love it
  • Made in Canada.
  • High-quality composition.
  • Ensures product authenticity.
Main Highlights
  • TRIGGER SPRAYER NOT INCLUDED. READY TO USE: No mixing required.
  • Provides long-lasting indoor and outdoor control against crawling and flying insects, including ants, bedbugs, brown dog ticks, clothes moths, cockroaches, crickets, earwigs, fleas, house flies and spiders for up to 60 days.
  • Controls aphids and whiteflies on indoor ornamental plants
  • COMPOSITION: Contains of 0.35% Permethrin and sodium benzoate at 0.1% as a preservative. Also contains D-Limonene and Lemongrass fragrance.
  • GOOD QUALITY: Made in Canada. Health Canada Pest Control Product Registration Number 32333
9.4
Superb
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5
9.3
Superb
EcoGuard Pro-Perm Insect Killer 3.78L | Professional Insecticide with Fast-Acting Residual Formula | 60 Day Protection | Water-Based, Ready-to-Use Indoors & Outdoors | Sprayer Not Included
ECOGUARD

EcoGuard Pro-Perm Insect Killer 3.78L | Professional Insecticide with Fast-Acting Residual Formula | 60 Day Protection | Water-Based, Ready-to-Use Indoors & Outdoors | Sprayer Not Included

Why we love it
  • Powerful insect control.
  • Effective for indoor plants.
  • Crack-and-crevice application available.
Main Highlights
  • Ready-to-use Permethrin Concentrate: Effective insect control formula for bedbugs, ants, brown dog ticks, clothes moths, cockroaches, crickets, earwigs, fleas, house flies, and spiders. Ready-to-use formula requires no mixing or dilution. Sprayer sold separately.
  • Powerful Insect Control Formula: Contains 0.35% permethrin and 0.1% sodium benzoate as a preservative, 40% stronger than competitors. Infused with D-Limonene and lemongrass fragrance for ease during application. Always ensure proper ventilation after use.
  • Insect Repellent for Indoor Plants: Helps manage aphids and whiteflies on indoor ornamental plants when applied as directed, keeping your plants healthy and pest-free.
  • Easy Crack-and-Crevice application: Apply as a crack-and-crevice or spot treatment, directing the solution into narrow openings or onto structural surfaces for fast and effective insect control lasting 60 days.
  • Supports Ongoing Pest Management: For effective, longterm pest management, use in rotation with EcoGuard Pro-Perm.
  • PCP-registered Formula: Manufactured to meet Health Canada’s PCP standards. Provides reliable insect control when used as directed, giving you confidence in both effectiveness and safety. Please read label before use.
9.3
Superb
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6
9.1
Superb
Scotts Grub B Gon Max Grub Killer 1.40kg
Scotts

Scotts Grub B Gon Max Grub Killer 1.40kg

Why we love it
  • Effective beetle grub control.
  • Wide range of beetle targets.
  • Easy application with spreader.
Main Highlights
  • Works to effectively control beetle grubs that cause turf damage
  • Controls a range of beetle grubs, including Japanese beetle, May or June beetles, European chafer, and more.*
  • Active ingredient: Bacillus thuringiensis subsp. galleriae strain SDS-502
  • Apply with your favourite Scotts spreader
  • 1.40 kg (3.08 lb) treats up to 125 m2 (1,345 ft2)
9.1
Superb
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7
8.9
Excellent
Nema Globe 4 x 5 Million Beneficial Nematodes
The Environmental Factor

Nema Globe 4 x 5 Million Beneficial Nematodes

Why we love it
  • Easy application with watering can.
  • Safe for all house plants.
  • Effective gnat and fly control.
Main Highlights
  • Easy to apply with a watering can or hose-end sprayer for outdoor uses.
  • Can be used on all indoor house plants, tropical plants and any time you add or change potting soil.
  • Bee and Beneficial safe. Fungus gnat control nematodes are microscopic worms which seek out larval stages of various fly and other diptera insects which develop in the soil
  • Solution for gnats, whitefly, thrips and on a variety of fly larvae
  • We do not recommend using/ordering the product when temperatures are below freezing.
8.9
Excellent
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8
8.8
Excellent
Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (500, Pot Shot)
The Grub Grenade

Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (500, Pot Shot)

Why we love it
  • Quality from Canada's top producers.
  • Easy sprinkle on target area.
  • One application, lasting multiple years.
Main Highlights
  • Fresh -- Produced From Canada's Largest Beneficial Insect and Mite Producer
  • No Hassle Application -- Just Open End and Sprinkle on Target Area
  • One Application for Multiple Year or Lifetime Control
  • Controls Fungus Gnats, Pupating Thrips, Root Weevils, Root Aphids, Pathogenic Nematodes, and many more.
  • Not recommended for fast control of a severe fungus gnat infestation. Use preventatively or to cure healthy plants with a minor fungus gnat infestation. To remedy a severe fungus gnat infestation, use alongside beneficial nematodes and sticky traps for a fast knockdown, then follow up with these mites to give lasting control and protection. Using these alone to cure an established fungus gnat infestation can take upwards of 1 month.
8.8
Excellent
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9
8.7
Excellent
Save 6%
BIOPROTEC 31-133 Nematodes Sprayer
BIOPROTEC

BIOPROTEC 31-133 Nematodes Sprayer

6% Off
Why we love it
  • Effective pest control solution.
  • Enhanced lawn coverage guaranteed.
  • Clog-free sprayer operation ensured.
Main Highlights
  • BIOPROTEC 31-133 Nematodes Sprayer
8.7
Excellent
Save 6%
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10
8.7
Excellent
Knock Down - Diatomaceous Earth Insect Killer, Flea, Ant, Silverfish, Bed Bug Killer and Cockroach Killer Indoor and Outdoor Use, Food Grade Diatomaceous Earth Powder with Bait, 300g
KNOCK DOWN

Knock Down - Diatomaceous Earth Insect Killer, Flea, Ant, Silverfish, Bed Bug Killer and Cockroach Killer Indoor and Outdoor Use, Food Grade Diatomaceous Earth Powder with Bait, 300g

Why we love it
  • Eco-friendly and pet-safe solution.
  • Kills insects indoors and outdoors.
  • Bonus size, great value.
Main Highlights
  • FAST AND EFFECTIVE INSECT CONTROL: This natural diatomaceous earth insect killer works to eliminate bed bugs, fleas, ants, silverfish, cockroaches, and more. The dual-action diatomaceous earth powder dehydrates pests externally and damages their digestive systems internally for rapid results.
  • SAFE FOR YOUR HOME: Made from food-grade freshwater diatomaceous earth (DE), this silverfish killer is safe for use around humans and pets. Our bed bug powder provides effective pest control without harsh chemicals, making it a natural choice for your home and garden.
  • INDOOR AND OUTDOOR USE: Designed for maximum flexibility, this diatomaceous earth food grade powder can be used both dry and wet, depending on the application. Use our cockroach powder inside your home to treat baseboards and carpets or apply it outdoors in gardens and patios.
  • MESS-FREE APPLICATION: The convenient shaker-top container makes it simple to apply the cockroach killer powder exactly where it’s needed. This odorless, non-staining insecticide powder won’t leave behind messy residues, making it a discreet solution for long-term pest control.
  • LONG-LASTING PROTECTION: Once applied, this powerful diatomaceous earth bed bug killer continues working long after initial use, forming a protective barrier against pests. Reapply in high-traffic areas as needed to maintain a pest-free environment indoors and outdoors.
8.7
Excellent
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Related Deals You Might Like for Grub Killer For Lawns

📊We scanned 455 products
🔍
We reviewed the most relevant Grub Killer For Lawns offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like The Grub Grenade, Ortho Killex, OnGuard, ECOGUARD, Scotts, The Environmental Factor, BIOPROTEC, KNOCK DOWN, known for dependable quality and smart design.
⭐
To determine today's best Grub Killer For Lawns, we analysed 2276 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (20000, 800-2000sqft)

Our overall winner is Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (20000, 800-2000sqft) by The Grub Grenade. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Fresh and ready use
✓Easy application process
✓Long-term pest control
💎 Best Value
Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (5000, 500sqft)

The best value for most shoppers is Grub Grenade - Beneficial Predatory Soil Mites - Natural Predators of Fungus gnats, Thrips pupae, diapaused Spider mite, Root Aphid, Bulb mite, phoretic Mites, and More! (5000, 500sqft) by The Grub Grenade, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
BIOPROTEC 31-133 Nematodes Sprayer

The strongest deal right now for Grub Killer For Lawns is BIOPROTEC 31-133 Nematodes Sprayer at BIOPROTEC, currently at 6% off.

🔄Our Grub Killer For Lawns ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.