Best Lawn Weed Killer Concentrate – Top 7 Picks and Reviews 2020

We looked at the reviews left by consumers and found the best of the best using advanced technology.

Here’s a look at the best Lawn Weed Killer Concentrate

SaleBestseller No. 1
BioAdvanced 704140 All-in-One Lawn Weed and Crabgrass Killer Garden Herbicide, 40 oz, Concentrate
647 Reviews
BioAdvanced 704140 All-in-One Lawn Weed and Crabgrass Killer Garden Herbicide, 40 oz, Concentrate
  • All-in-one formula: BioAdvanced's all-in-one formula kills listed lawn weeds and crabgrass without harming the lawn
  • Weed killer: kills over 200 listed broadleaf weeds like dandelion and clover PLUS crabgrass
  • Root killer: kills even the toughest weeds to the root
  • Rainproof protection: systemic rainproof in 1 hour
  • Allows for hose-end sprayer application
Bestseller No. 2
Ortho WeedClear Weed Killer for Lawns Concentrate: Treats up to 64,000 sq. ft., Won't Harm Grass...
  • Use Ortho WeedClear Weed Killer for Lawns Concentrate to kill weeds down to the root, without harming your lawn (when used as directed); you'll see visible results in hours
  • KILLS WEEDS: This lawn weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list)
  • LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won’t harm your grass (when used as directed)
  • RESULTS YOU CAN SEE: Absorbs on contact to deliver visible results in hours; rainproof in 1 hour upon drying; people and pets may enter the treated area after the spray has dried
  • EASY TO USE: This concentrated formula can be easily applied with an Ortho Dial N Spray or tank sprayer; it treats up to 64,000 sq. ft.
SaleBestseller No. 3
Ortho WeedClearLawn Weed Killer Concentrate - Fast-Acting, Kills Dandelion, Crabgrass and Clover to...
21 Reviews
Ortho WeedClearLawn Weed Killer Concentrate - Fast-Acting, Kills Dandelion, Crabgrass and Clover to...
  • Kill weeds in your lawn, including dandelion, chickweed, clover, crabgrass, and foxtail with the Ortho WeedClear Lawn Weed Killer
  • 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
  • Apply with an Ortho Dial N Spray or tank sprayer--treats up to 5, 000 sq. ft.
SaleBestseller No. 4
Southern Ag Amine 2,4-D WEED KILLER, White Bottle
635 Reviews
Southern Ag Amine 2,4-D WEED KILLER, White Bottle
  • Selective Broadleaf Weed Control
  • For use in pastures & rangeland, lawns, golf courses, cemeteries, parks,& similar ornamental turf.
Bestseller No. 5
Roundup For Lawns: Covers up to 5,000 Sq Ft, Weed Killer, 32 oz., Not Available in AK, HI, FL, LA,...
  • The concentrate formula is easy to mix and measure with a tank sprayer--great for broadcast application to your entire lawn and covers up to 5, 000 sq. ft.
  • Kills over 250 weeds, including crabgrass, dandelion, clover, and yellow nutsedge--won't harm your lawn
  • Lawn weed control for use on Northern grasses, including Kentucky bluegrass, perennial ryegrass, fescue, bermudagrass, buffalograss, and zoysiagrass
  • Starts working immediately and rainproof in as little as 3 hours
  • For hard-to-kill summer crabgrass and grassy weeds, use Roundup for Lawns Crabgrass Destroyer
Bestseller No. 6
Ortho WeedClear Weed Killer for Lawns Concentrate: Treats up to 16,000 sq. ft., Won't Harm Grass...
  • Use Ortho WeedClear Weed Killer for Lawns Concentrate to kill weeds down to the root, without harming your lawn (when used as directed); you'll see visible results in hours
  • KILLS WEEDS: This lawn weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, sumac, chickweed, and dollarweed (see product label for complete weed list)
  • LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won’t harm your grass (when used as directed)
  • RESULTS YOU CAN SEE: Absorbs on contact to deliver visible results in hours; rainproof in 1 hour upon drying; people and pets may enter the treated area after the spray has dried
  • EASY TO USE: This concentrated formula can be easily applied with an Ortho Dial N Spray or tank sprayer; it treats up to 16,000 sq. ft.
Bestseller No. 7
Spectracide 96631 Weed Killer, 40 oz, Pack of 1, Black Packaging
  • KILLS THE WEEDS, NOT THE LAWN: won’t 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: 32 ounce bottle treats up to 16,000 square feet and 40 ounce bottle treats up to 20,000 square feet