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Lawn Weed Killers

Best Lawn Weed Killers

From leading brands and best sellers available on the web.
#1

Winner

Roundup Weed and Grass Killer₄ with

Roundup

14%OFF

Roundup Weed and Grass Killer₄ with Pump 'N Go 2 Sprayer, Use in and Around Flower Beds, Trees & More, 1.33 gal.

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#2
Scotts Turf Builder Weed & Feed3, W

Scotts

Scotts Turf Builder Weed & Feed3, Weed Killer Plus Lawn Fertilizer, Controls Dandelion and Clover, 5,000 sq. ft., 14.29 lbs.

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#3
Scotts Turf Builder Weed & Feed5, W

Scotts

28%OFF

Scotts Turf Builder Weed & Feed5, Weed Killer and Lawn Fertilizer, Controls Dandelion, Clover and More, 4,000 sq. ft, 11.32 lbs.

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#4
Roundup Dual Action 365 Weed & Gras

Roundup

26%OFF

Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer with Comfort Wand, Kills & Prevents for up to 1 Year, 1 gal.

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#5
Spectracide Weed and Grass Killer,

Spectracide

24%OFF

Spectracide Weed and Grass Killer, Pack of 1

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Related Products

Up to 42% off

#6
Ortho GroundClear Weed and Grass Ki

Ortho

17%OFF

Ortho GroundClear Weed and Grass Killer with Comfort Wand, Kills Dandelions, Chickweed, Crabgrass, Moss and More in Patios and Landscapes, OMRI Listed, 1 gal.

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#7
Roundup Weed & Grass Killer₄ Refill

Roundup

20%OFF

Roundup Weed & Grass Killer₄ Refill, Use in and Around Flower Beds, Trees, Driveways, Walkways & More, 1.25 gal.

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#8
Spectracide Weed & Grass Killer Con

Spectracide

Spectracide Weed & Grass Killer Concentrate, Use On Driveways, Walkways and Around Trees & Flower Beds, 64 fl Ounce

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#9
Ortho WeedClear Weed Killer for Law

Ortho

Ortho WeedClear Weed Killer for Lawns: Ready-To-Use, With Trigger Sprayer, Won't Harm Grass (When Used as Directed), Kills Dandelion & Clover, 1 gal., (Packaging may vary)

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#10
Ortho WeedClear Weed Killer for Law

Ortho

Ortho WeedClear Weed Killer for Lawns Ready-To-Spray: Treats up to 16,000 sq. ft., Won't Harm Grass (When Used as Directed), Kills Dandelion & Clover, 32 oz.

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Buying Guide for the Best Lawn Weed Killers

Choosing the right lawn weed killer can make a significant difference in maintaining a healthy and beautiful lawn. The key is to understand the different types of weed killers available and how they work, so you can select the one that best fits your specific needs. Here are some important specifications to consider when choosing a lawn weed killer.
Type of Weed KillerWeed killers come in two main types: selective and non-selective. Selective weed killers target specific types of weeds without harming the surrounding 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. If you want to maintain your lawn while getting rid of weeds, a selective weed killer is the best choice.
Systemic vs. ContactSystemic weed killers are absorbed by the plant and travel through its system to kill it from the inside out, which is effective for perennial weeds with deep roots. Contact weed killers, however, only kill the parts of the plant they touch, making them suitable for annual weeds or surface-level issues. If you have deep-rooted weeds, a systemic weed killer will be more effective, while contact weed killers are good for quick, surface-level weed control.
Pre-emergent vs. Post-emergentPre-emergent weed killers prevent weed seeds from germinating and are best used early in the season before weeds appear. Post-emergent weed killers are used to kill existing weeds and are effective once weeds have already sprouted. If you are looking to prevent weeds from growing, choose a pre-emergent weed killer. If you need to tackle weeds that are already present, a post-emergent option is the way to go.
Application MethodWeed killers can be applied in various ways, including sprays, granules, and concentrates. Sprays are easy to apply and are good for spot treatments. Granules are spread over a larger area and are useful for treating the entire lawn. Concentrates need to be mixed with water and can be customized for different levels of weed control. Consider how you prefer to apply the product and the size of the area you need to treat when choosing the application method.
Active IngredientsThe active ingredients in weed killers determine their effectiveness and the types of weeds they can control. Common active ingredients include glyphosate, 2,4-D, and dicamba. Each ingredient targets different types of weeds, so it's important to identify the weeds in your lawn and choose a product with the appropriate active ingredient. Research the weeds you are dealing with and select a weed killer that lists those weeds on its label.
Safety and Environmental ImpactConsider the safety of the weed killer for pets, children, and the environment. Some products are designed to be safer and have a lower environmental impact. Look for weed killers that are labeled as pet-safe or environmentally friendly if these factors are important to you. Always follow the manufacturer's instructions for safe use and disposal.