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10 bestWeed Killers For Lawnsof May 2025

112M consumers helped this year.

20% off

1

Resolva 20300383 Pro Ready To Use Weed Killer, 3 Litre, Transparent
Resolva 20300383 Pro Ready To Use Weed Killer, 3 Litre, Transparent

Resolva

9.9

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31% off

2

Miracle-Gro Evergreen Complete 4 in 1 Lawn Food - 360 m2, 12.6 kg, Lawn Food, Weed & Moss Control
Miracle-Gro Evergreen Complete 4 in 1 Lawn Food - 360 m2, 12.6 kg, Lawn Food, Weed & Moss Control

Miracle-Gro

9.8

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3

Resolva 24H Ready To Use Weed Killer, 1 Litre 20300465
Resolva 24H Ready To Use Weed Killer, 1 Litre 20300465

Resolva

9.7

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4

Roundup Tough Weedkiller, Ready to Use, Spray, 1 Litre
Roundup Tough Weedkiller, Ready to Use, Spray, 1 Litre

Roundup

9.5

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15% off

5

Resolva Concentrate Lawn Weedkiller Extra, 500 ml
Resolva Concentrate Lawn Weedkiller Extra, 500 ml

Resolva

9.2

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6

Weedol 1 litre Lawn Weed Killer Concentrate Liquid
Weedol 1 litre Lawn Weed Killer Concentrate Liquid

Weedol

9.0

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7

Weedol Concentrated Lawn Weedkiller 250 ml, Easy Mix Liquid, Nylon/A
Weedol Concentrated Lawn Weedkiller 250 ml, Easy Mix Liquid, Nylon/A

Weedol

8.7

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6% off

8

Westland 500m Lawn Feed Weed Moss Killer
Westland 500m Lawn Feed Weed Moss Killer

Westland

8.4

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34% off

9

Weedol Rapid Weedkiller, Ready To Use, 1L
Weedol Rapid Weedkiller, Ready To Use, 1L

Weedol

8.1

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10

AMK® Weedol Lawn Weedkiller Spray 800ml Kills Weeds Not Lawns Dandelions Daisies & Clover Weed Killer Spot Treat
AMK® Weedol Lawn Weedkiller Spray 800ml Kills Weeds Not Lawns Dandelions Daisies & Clover Weed Killer Spot Treat

AMK

7.8

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A Guide to Selecting the Best Weed Killers For Lawns

Choosing the right weed killer for your lawn is essential to maintaining a healthy and beautiful yard. The right product will help you eliminate unwanted weeds without damaging your grass. To make an informed decision, you need to understand the key specifications and how they relate to your specific needs. Here are the main factors to consider when selecting a weed killer for your lawn.

Type of Weed Killer

Weed killers come in two main types: selective and non-selective. Selective weed killers target specific types of weeds without harming your grass, making them ideal for lawns. Non-selective weed killers, on the other hand, kill all vegetation they come into contact with, which is useful for clearing areas where you don't want any plants to grow. If you want to maintain a healthy lawn, a selective weed killer is usually the best choice.

Weed Types

Different weed killers are formulated to target different types of weeds, such as broadleaf weeds, grassy weeds, or sedges. It's important to identify the types of weeds you have in your lawn so you can choose a product that is effective against them. For example, if you have dandelions and clover, a broadleaf weed killer would be appropriate. If you're dealing with crabgrass, look for a product specifically designed to target grassy weeds.

Application Method

Weed killers can be applied in various ways, including sprays, granules, and concentrates. Sprays are easy to use and allow for targeted application, making them ideal for spot-treating individual weeds. Granules are spread over the entire lawn and are activated by watering, which is convenient for treating large areas. Concentrates need to be mixed with water and applied with a sprayer, offering flexibility in application rates. Choose the method that best suits your lawn size and your preference for application.

Timing of Application

The effectiveness of a weed killer can depend on when it is applied. Pre-emergent weed killers prevent weed seeds from germinating and are best applied in early spring or fall before weeds appear. Post-emergent weed killers target existing weeds and are most effective when weeds are actively growing, typically in late spring or early summer. Consider the current state of your lawn and the type of weeds you are dealing with to determine the best timing for application.

Safety and Environmental Impact

It's important to consider the safety of the weed killer for children, pets, and the environment. Some products contain harsh chemicals that can be harmful if ingested or if they run off into water sources. Look for weed killers that are labeled as safe for use around children and pets, and consider organic or natural options if you are concerned about environmental impact. Always follow the manufacturer's instructions for safe application and disposal.

Lawn Type

Different types of grass may react differently to certain weed killers. Some products are formulated specifically for certain types of grass, such as cool-season or warm-season grasses. Make sure to check the label to ensure the weed killer is safe for your type of lawn. If you are unsure about your grass type, consult a local gardening expert or extension service for guidance.

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