10 bestLawn Weed Killersof May 2025
112M consumers helped this year.
1
Roundup Total Fast Action Weed Killer, 1 Litre
Roundup
9.9
2
Miracle-Gro 121187 EverGreen Complete 4-in-1 Spreader, Lawn Food, Weed & Moss Control, 80 m2, Yellow
Miracle-Gro
9.8
20% off
3
Roundup Optima+ Total Weedkiller, Concentrate, 1 Litre
Roundup
9.6
30% off
4
Miracle-Gro Evergreen Complete 4 in 1 Lawn Food - 360 m2, 12.6 kg, Lawn Food, Weed & Moss Control
Miracle-Gro
9.3
15% off
5
Resolva Concentrate Lawn Weedkiller Extra, 500 ml
Resolva
9.0
OtherUp to 5% off
Resolva Xpress Ready to Use Weedkiller 5L Power Pump Refill, Blue
32OZ Weed/CRBGRS Killer
Greenforce P21028A Fertilizer Weed Moss Killer, Greens Lawn, Grey, 26.5 cm*16.0 cm*8.0 cm (Package may vary)
Ortho Nutsedge Killer for Lawns Ready-To-Spray, 32 fl oz - Packaging may vary
25% off
6
Resolva Xtra Fast Weedkiller RTU 1L
Resolva
8.7
6% off
7
Weedol Concentrated Lawn Weedkiller, Easy Mix Liquid, 500 ml
Weedol
8.4
20% off
8
Aftercut All in One Lawn Feed, Weed and Mosskiller 350m2 Bag
Aftercut
8.1
9
Weedol Lawn Weedkiller Spray, 800 ml
Weedol
7.8
10
Aftercut 20400460 Weed and Moss Killer, Natural, 100 sq m
Aftercut
7.5
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A Guide to Selecting the Best Lawn Weed Killers
Choosing the right lawn weed killer is essential for maintaining a healthy and beautiful lawn. The key is to select a product that effectively targets the weeds you have without harming your grass or other plants. Understanding the different types of weed killers and their specific features will help you make an informed decision that suits your lawn care needs.
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 the 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 completely but not suitable for lawns. Choose a selective weed killer if you want to preserve your grass while eliminating weeds.
Weed Type
Different weed killers are formulated to target specific types of weeds, such as broadleaf weeds, grassy weeds, or sedges. Identifying the type of weeds in your lawn is crucial for selecting the right product. If you're dealing with dandelions or clover, a broadleaf weed killer is appropriate. For crabgrass, look for a product that targets grassy weeds. Understanding your weed problem will guide you to the right solution.
Application Method
Weed killers can be applied in various ways, including sprays, granules, and concentrates. Sprays are easy to apply and are great for spot treatments, while granules are spread over larger areas and are activated by water. Concentrates require mixing and are suitable for treating large areas. Consider the size of your lawn and the extent of the weed problem when choosing an application method. For small areas or spot treatments, sprays are convenient, whereas granules or concentrates are better for larger lawns.
Timing of Application
The timing of application can significantly impact the effectiveness of a weed killer. Some products are designed for pre-emergent use, preventing weed seeds from germinating, while others are post-emergent, targeting weeds that are already growing. If you're looking to prevent weeds from appearing, a pre-emergent product applied in early spring is ideal. For existing weeds, a post-emergent product is necessary. Consider the current state of your lawn and your goals when deciding on the timing.
Safety and Environmental Impact
Safety for pets, children, and the environment is an important consideration when choosing a weed killer. Some products are organic or have low toxicity, making them safer for use around pets and children. Others may have a more significant environmental impact. If safety is a priority, look for products labeled as pet-safe or organic. Always follow the manufacturer's instructions to minimize any potential risks.
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