Best Weed Killer For Large Lawns In March 2023

You will find our hand-picked selection of weed killer for large lawns below. You have a wide variety of choices of brands such as Ortho,BioAdvanced available to you as a result of the fact that each one of them has a unique pricing, look, and feel. Continue reading for an in-depth analysis of the best weed killer for large lawns buying guide!

Our experts tested a variety of weed killer for large lawns in the market. Right on top of the list is Ortho Weed Killer For Large Lawns. Check out some more of our favorites below, and read some valuable insight from the experienced editors.

Editor's Choice
Ortho WeedClear Weed Killer for Lawns
9.7
Ortho WeedClear Weed Killer for Lawns
Premium Pick
Ortho WeedClear Weed Killer for Lawns Ready-To-Spray
9.4
Ortho WeedClear Weed Killer for Lawns Ready-To-Spray
Budget Pick
Ortho WeedClear Lawn Weed Killer Ready to Spray
9.1
Ortho WeedClear Lawn Weed Killer Ready to Spray

Top 10 Best Weed Killer For Large Lawns Reviews 2023

1. Ortho WeedClear Weed Killer for Lawns

  • EASY TO USE: Comes with the continuous spray Comfort Wand applicator, which allows for precise spray control and maximum accuracy—no pumping required
  • Use Ortho WeedClear Weed Killer for Lawns with Comfort Wand to kill weeds down to the root, without harming your lawn (when used as directed); you'll see visible results in hours
  • LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won't harm your grass (when used as directed)
  • KILLS WEEDS: This lawn weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list)
  • For best results, use when weeds are small and actively growing in the spring or fall. One 32-oz. bottle treats up to 16,000 sq. ft.
  • RESULTS YOU CAN SEE: Visible results in hours; rainproof in 1 hour upon drying; people and pets may enter the treated area after the spray has dried

2. Ortho WeedClear Weed Killer for Lawns Ready-To-Spray

  • EASY TO USE: To apply, connect your garden hose to the sprayer and set the nozzle to your desired setting
  • Use Ortho WeedClear Weed Killer for Lawns Ready-To-Spray 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, chickweed, and dollarweed (see product label for complete weed list)
  • RESULTS YOU CAN SEE: Visible results in hours; rainproof in 1 hour upon drying; people and pets may enter the treated area after the spray has dried
  • LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won't harm your grass (when used as directed)

3. Ortho WeedClear Lawn Weed Killer Ready to Spray

  • RESULTS IN HOURS: This weed killer is rainproof in 1 hour and delivers visible results in hours, after just one application.
  • Not available in FL, GU, HI, LA
  • Kill weeds without harming your lawn (when used as directed) with Ortho WeedClear Lawn Weed Killer Ready-To-Use Refill; kills all major broadleaf weeds (see label for weed list), including dandelion, chickweed and crabgrass
  • OVER 200 TYPES OF WEEDS: Kills weeds to the roots and won't harm the lawn when used as directed; kills over 200 types of weeds (see label for weed list)
  • TREAT ENTIRE LAWN: Simply connect the garden hose to the attached sprayer to target weeds with your desired nozzle setting; treats up to 5,000 sq. ft.
  • FOR MULTIPLE LAWN VARIETIES: For use on grasses including Bermudagrass, Buffalograss, Tall Fescue, Fine Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass

4. Ortho WeedClear Weed Killer for Lawns

  • Use Ortho WeedClear Weed Killer for Lawns with trigger sprayer to kill weeds down to the root, without harming your lawn (when used as directed); you'll see visible results in hours
  • RESULTS YOU CAN SEE: Visible results in hours; rainproof in 1 hour upon drying; people and pets may enter the treated area after the spray has dried
  • LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won't harm your grass (when used as directed)
  • WHERE TO USE: Ortho WeedClear Lawn Weed Killer Ready-to-Spray is intended for the treatment of individual weeds, patches of weeds, or sparse weeds scattered throughout the following established turfgrass types: Kentucky bluegrass, ryegrass, tall fescue, fine fescues, Bermudagrass, zoysiagrass, and buffalograss.
  • WHERE NOT TO USE: This residential outdoor herbicide is not intended for use on the following grasses: St. Augustinegrass, Bahiagrass, Bentgrass, Centipedegrass, Carpetgrass, Seashore paspalum, Lawns with desirable clovers or legumes, Dichondra, ornamental plants (flowers, trees, groundcovers, landscape beds and shrubs), certain Turfgrass species, and gardens including vegetables, fruit trees, vines and berries.
  • KILLS WEEDS: This lawn weed killer kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed (see product label for complete weed list)
  • EASY TO USE: To apply, just insert the ready-to-use trigger sprayer (included) and turn the nozzle to your desired setting

5. BioAdvanced Weed Killer for Lawns

  • LAWN WEED KILLER: Kills over 200 broadleaf lawnweeds including Dandelion, Dollarweed, and more
  • RESTRICTIONS: Not for sale in CA & TX
  • USE ON: Southern and Northern Lawns
  • COVERAGE AREA: Treats up to 8,000 square feet
  • ROOT KILLER: Lawn weed killer kills to the root
  • RAINPROOF PROTECTION: Rainproof in 1 hour

6. Ortho WeedClear Weed Killer for Lawns Concentrate

  • 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)
  • 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.
  • 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
  • LAWN FRIENDLY: It contains three proven ingredients that target common lawn weeds, so it won't harm your grass (when used as directed)

7. Roundup For Lawns1 Ready to Use - All-in-One Weed Killer for Lawns, Kills Weeds - Not the Lawn

  • Lawn weed killer for use on Northern grasses, including Kentucky bluegrass, perennial ryegrass, fescue, bermudagrass, buffalograss, and zoysiagrass
  • Kills over 250 weeds, including crabgrass, dandelion, clover, and yellow nutsedge-won't harm your lawn
  • Starts working immediately and rainproof in as little as 3 hours
  • Weed killer with an extended wand to make it easy to spot-treat lawn weeds
  • For hard-to-kill summer crabgrass and grassy weeds, use Roundup for Lawns Crabgrass Destroyer

8. Ortho WeedClear Lawn Weed Killer Ready to Spray3

  • FOR MULTIPLE LAWN VARIETIES: Use on grasses including Kentucky bluegrass, perennial ryegrass, fescues, common bermudagrass, hybrid bermudagrass, bahiagrass, bentgrass, buffalograss, centipedegrass, zoysiagrass, and St. Augustinegrass (except Floratam)
  • May not be available in all states
  • OVER 250 TYPES OF WEEDS: Kills weeds to the roots and won't harm the lawn when used as directed, contains herbicides to destroy over 250 types of weeds (see label for weed list)
  • Kill weeds without harming your lawn (when used as directed) with Ortho WeedClear Lawn Weed Killer Ready-To-Spray3; kills all major broadleaf weeds (see label for weed list), dandelion, clover, oxalis, chickweed and more
  • RESULTS IN HOURS: This lawn weed killer is rainproof in 1 hour and delivers visible results in hours, after just one application
  • TREAT ENTIRE LAWN: Simply connect the garden hose to the attached sprayer to spot treat weeds with your desired nozzle setting; treats up to 5,000 sq. ft. when applying with the attached sprayer

9. Spectracide HG-96587 Weed Stop for Lawns Plus Crabgrass Killer

  • KILLS LISTED WEEDS, NOT THE LAWN: Spectracide Weed Stop For Lawns Plus Crabgrass Killer3 kills weeds including crabgrass — not the lawn, when used as directed
  • WHEN TO USE: For best results, apply between 45°F-90°F
  • VISIBLE RESULTS IN 5 HOURS: The product kills by contact and kills weed roots, producing visible results in 5 hours
  • KILLS 470+ WEED TYPES AS LISTED: This product kills broadleaf and grassy weeds, including dandelion, chickweed and clover as well as crabgrass and yellow nutsedge — see product label for complete list of weed types

10. BIOADVANCED 704140 All-in-One Lawn Weed And Crabgrass Killer Garden Herbicide

  • Root killer: kills even the toughest weeds to the root
  • 40 oz bonus concentrate treats 6,250 Sq Ft
  • Allows for hose-end sprayer application
  • Weed killer: kills over 200 listed broadleaf weeds like dandelion and clover PLUS crabgrass
  • All-in-one formula: BioAdvanced's all-in-one formula kills listed lawn weeds and crabgrass without harming the lawn
  • Rainproof protection: systemic rainproof in 1 hour