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10 Best Concentrate Weed Killers of 2025

Tested and Reviewed: Top 10 Concentrate Weed Killers deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

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1

Editor's Choice

9.7

Spectracide Weed Stop For Lawns Concentrate, Kills Weed Roots, Not The Lawn, 40 fl Ounce

Spectracide

Spectracide Weed Stop For Lawns Concentrate, Kills Weed Roots, Not The Lawn, 40 fl Ounce

Editor's bottom line:

“This concentrate weed killers is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

KILLS WEEDS, NOT THE LAWN: Wont harm lawns when used as directed kills more than 200 types of weeds as listed
CONTROLS ALL MAJOR BROADLEAF WEEDS: Controls dandelion, chickweed and clover (see product label for complete list)
KILLS THE ROOT: See overnight results
RAINPROOF: Rainfall or watering 6 hours after application will not wash away effectiveness
COVERAGE: 40 ounce bottle treats up to 20,000 square feet

Picked by 202 people today

2

9.5

Save 8%

Ortho WeedClear Lawn Weed Killer Concentrate, Fast-Acting Formula Kills Dandelion, Crabgrass & Clover to the Root, 32 fl. oz.

Ortho

Ortho WeedClear Lawn Weed Killer Concentrate, Fast-Acting Formula Kills Dandelion, Crabgrass & Clover to the Root, 32 fl. oz.

8% OffFree Shipping

Main Highlights

Kill weeds in your lawn, including dandelion, chickweed, clover, crabgrass, and foxtail with the Ortho WeedClear Lawn Weed Killer Concentrate
Fast-acting, with results in one application
Kills weeds to the roots but won't harm the lawn (when used as directed)
For use on grasses, including Bermudagrass, Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass
This product is a concentrate and cannot be applied directly out of its container - please read product label for specific application instructions

3

9.5

Save 8%

Southern Ag Amine 2,4-D WEED KILLER, 32oz - Quart

Southern Ag

Southern Ag Amine 2,4-D WEED KILLER, 32oz - Quart

8% OffFree Shipping

Main Highlights

Low, economical use rate of 1 to 4 pints per acre
Controls many broadleaf weeds & woody plants
Use in turf, pastures, rangeland, ditch banks, fences

4

9.2

Ortho GroundClear Year Long Vegetation Killer1 Concentrate, Kills Weeds and Grasses, Prevents Unwanted Weeds and Grasses for up to 1 Year, 1 gal.

Ortho

Ortho GroundClear Year Long Vegetation Killer1 Concentrate, Kills Weeds and Grasses, Prevents Unwanted Weeds and Grasses for up to 1 Year, 1 gal.

Main Highlights

Ortho GroundClear Year Long Vegetation Killer1 is a concentrate formula that kills weeds, grasses and existing vegetation, and prevents regrowth for up to 1 year
This fast-acting weed killer concentrate starts working immediately and kills weeds to the root (when used as directed)
Use this weed control product on driveways, sidewalks, gravel areas, parking areas, rock and desert landscapes, under decks and along fences
Apply this weed preventer using a tank hose sprayer, mixing 24 fl. oz. of vegetation killer concentrate per gallon of water
One 1 gal. container of Ortho GroundClear Year Long Vegetation Killer1 concentrate makes enough prepared solution to treat up to 1,600 sq. ft.

5

9.0

Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate

Spectracide

Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate

Main Highlights

KILLS WEEDS, NOT THE LAWN: Controls listed weeds including crabgrass not the lawn (when used as directed)
KILLS CRABGRASS: Apply the first time you see crabgrass in your lawn
KILLS 470+ TYPES OF WEEDS: Controls all types of listed broadleaf and grassy weeds, including crabgrass, dandelion, chickweed, clover and yellow nutsedge (see product label for complete list)
RAINPROOF: Rainfall or watering 3 hours after application will not wash away effectiveness
COVERAGE: 40 ounce bottle treats up to 6,250 square feet

6

8.8

Save 53%

Hi-Yield (33692) Super Concentrate Killzall Weed & Grass Killer (32 oz)

Hi-Yield

Hi-Yield (33692) Super Concentrate Killzall Weed & Grass Killer (32 oz)

Main Highlights

Weed killer controls grasses, broadleaf weeds and woody brush species. Do not use on lawns.
Contains a double-surfactant formulation that dries on plant fast to start working quickly.
Allows you to cover and treat large areas. 32 oz. covers up to 6,400 sq ft.
32 oz bottle of weed control liquid concentrate can treat up to 6,400 square feet.
See label for application instruction. Spraying accessory required for application.

7

8.6

Save 28%

Ortho GroundClear Year Long Vegetation Killer2 Concentrate, Kills and Prevents Weeds Up to 12 Months, 1 gal.

Ortho

Ortho GroundClear Year Long Vegetation Killer2 Concentrate, Kills and Prevents Weeds Up to 12 Months, 1 gal.

28% OffFree Shipping

Main Highlights

Use this weed control product where no plant growth is wanted for at least a year on driveways, sidewalks, fence lines, paver patios, walkways, gravel areas and parking areas
This fast-acting weed killer concentrate starts working immediately and kills weeds to the root (when used as directed)
Ortho GroundClear Year Long Vegetation Killer2 kills weeds, grasses, and existing vegetation and prevents regrowth for up to 1 year
Apply this weed preventer using a tank hose sprayer, mixing 24 fl. oz. of vegetation killer concentrate per gallon of water
Add 24 fl oz. of product per 1 gallon of water to treat up to 300 sq. ft

8

8.3

Save 32%

Roundup Weed and Grass Killer₄ Concentrate, Use In and Around Flower Beds, Walkways and other areas of your yard, 35.2 fl. oz.

Roundup

Roundup Weed and Grass Killer₄ Concentrate, Use In and Around Flower Beds, Walkways and other areas of your yard, 35.2 fl. oz.

32% OffFree Shipping

Main Highlights

Roundup Weed & Grass Killer Concentrate kills tough weeds and grasses to the root, including dandelion, large crabgrass, poison ivy, clover (red & white), spotted spurge, and other broadleaf weeds
Roundup Weed & Grass Killer4 Concentrate is rainproof in as fast as 30 minutes and produces visible results in hours
Allows for planting 1 to 30 days after application (see booklet for details)
Use in flower beds, around trees, along fences, driveways and walkways, freshly cut woody stumps, in large areas for lawn replacement, garden plot preparation and other areas of your yard
Mix Roundup Weed & Grass Killer Concentrate according to label directions and spot treat or spray evenly each gallon of spray solution over 300 sq. ft. with a tank or hose-end sprayer

9

8.1

Save 5%

Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal)

Hi-Yield

Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal)

5% OffFree Shipping

Main Highlights

Weed killer controls grasses, broadleaf weeds and woody brush species. Do not use on lawns.
Contains a double-surfactant formulation that dries on plant fast to start working quickly.
Allows you to cover and treat large areas. 1 gal. covers up to 25,600 sq ft.
1 gal bottle of weed control liquid concentrate can treat up to 25,600 square feet.
See label for application instruction. Spraying accessory required for application.

Our Best Overall Choice

9.7

Spectracide Weed Stop For Lawns Concentrate, Kills Weed Roots, Not The Lawn, 40 fl Ounce

Spectracide

Spectracide Weed Stop For Lawns Concentrate, Kills Weed Roots, Not The Lawn, 40 fl Ounce

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

KILLS WEEDS, NOT THE LAWN: Wont harm lawns when used as directed kills more than 200 types of weeds as listed
CONTROLS ALL MAJOR BROADLEAF WEEDS: Controls dandelion, chickweed and clover (see product label for complete list)
KILLS THE ROOT: See overnight results
RAINPROOF: Rainfall or watering 6 hours after application will not wash away effectiveness
COVERAGE: 40 ounce bottle treats up to 20,000 square feet

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Spectracide Weed Stop For Lawns Concentrate, Kills Weed Roots, Not The Lawn, 40 fl Ounce

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