10 bestGrub Killer For Lawnsof June 2025
112M consumers helped this year.
5% off
1
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
9.9
2
Bug-A-Salt Yellow 3.0
BUG-A-SALT
9.8
3
HARRIS Diatomaceous Earth Food Grade, 5lb with Powder Duster Included in The Bag…
HARRIS
9.7
4
Harris Diatomaceous Earth Food Grade, 2lb w/Free Powder Duster
HARRIS
9.5
5
Safer's 31-6025CAN End-All Miticide/Insecticide/Aracicide 1L Ready-to-Use Spray
Safer's
9.3
OtherUp to 22% off
DYNOMYCO Mycorrhizal Inoculant – Plant Growth & Root Treatment – Concentrated Mycorrhiza Formula – Boosts Nutrient – Mycorrhizae Plant Food for Resilience, Root Strength & Fertilizer (200g / 7oz)
ORTHO KILLEX Lawn Weed Killer Concentrate, 1L
ECOPEST Total Insect Killer
Slow Release Granular Lawn Fertilizer - Advanced nutrients, Turf & Lawn Fertilizer, 25-5-10 65% (20kg Bag)
6
Scotts Turf Builder Fall Lawn Food - 5.2kg, White (03214A)
Scotts
9.0
15% off
7
OnGuard Professional P-22-RTU , 3.78L Jug, Residual Spray Insect Killer
OnGuard
8.7
7% off
8
Scotts 20243 Turf Builder Grass Seed All Purpose Mix 1Kg
Scotts
8.5
13% off
9
Scotts 75121 Turf Builder Edgeguard Mini Broadcast Spreader 5, 000 sq.ft
Scotts
8.2
22% off
10
Scotts Lawn Response 9-1-1-8kg, 10001
Scotts
7.9
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A Guide to Selecting the Best Grub Killer For Lawns
Choosing the right grub killer for your lawn is important to keep your grass healthy and free from damage caused by grubs. Grubs are the larvae of beetles and can cause significant harm by feeding on grass roots, leading to brown patches and weakened turf. When selecting a grub killer, it's essential to understand the different types, how they work, and when to apply them for the best results. By focusing on a few key specifications, you can find a product that matches your lawn's needs and your preferences for safety and effectiveness.
Type of Grub Killer
Grub killers generally come in two main types: preventive and curative. Preventive grub killers are designed to stop grubs before they become a problem, usually by targeting young grubs early in the season. Curative grub killers are meant to eliminate existing grubs that are already damaging your lawn. If you are trying to stop a future infestation, a preventive product is best. If you already see damage or know grubs are present, a curative option is more suitable. Your choice should depend on whether you are acting before or after you notice grub activity.
Active Ingredient
The active ingredient is the chemical or natural substance that kills the grubs. Common active ingredients include imidacloprid, chlorantraniliprole, and carbaryl, as well as natural options like milky spore or beneficial nematodes. Chemical ingredients tend to work faster and are often more potent, but may have restrictions or environmental concerns. Natural options are safer for pets, children, and beneficial insects, but may take longer to show results. Consider your priorities for safety, speed, and environmental impact when choosing the active ingredient.
Application Method
Grub killers are available in different forms such as granules, liquid concentrates, or ready-to-spray bottles. Granules are easy to spread with a lawn spreader and are good for covering large areas. Liquids can be sprayed for more targeted application or for smaller lawns. Ready-to-spray bottles are convenient for quick use but may not be as cost-effective for large lawns. Choose the method that matches the size of your lawn and your comfort with applying lawn treatments.
Timing of Application
The timing of when you apply a grub killer is crucial for its effectiveness. Preventive treatments are best applied in late spring to early summer, before grubs hatch and start feeding. Curative treatments are most effective in late summer or early fall when grubs are actively feeding near the surface. Knowing the life cycle of grubs in your area and matching your application to their most vulnerable stage will help you get the best results.
Safety and Environmental Impact
Some grub killers can be harmful to pets, children, or beneficial insects like bees and earthworms. Products labeled as safe for pets and wildlife are a better choice if you have animals or want to protect the environment. Always read the label for safety instructions and consider how the product might affect your household and local ecosystem. If safety is a top concern, look for natural or organic options.
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