10 Best Weed Killer For Gras Reviewed as of September 2023

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Spectracide Weed and Grass Killer, Pack of 1

KILLS WEEDS AND GRASSES: Use on driveways and walkways, and around fences, trees, flower beds, shrubs and other listed areas
ACCUSHOT SPRAYER: Includes continuous power sprayer with extendable wand
KILLS THE ROOT: Visible results as fast as 3 hours — replant new flowers, trees and shrubs the same weekend
RAINFAST: Rainfall or watering 15 minutes after application will not wash away effectiveness
MONEY-BACK GUARANTEE: Guaranteed results or your money back — see product label for details

Ortho GroundClear Year Long Vegetation Killer1 - Concentrate, Visible Results in 3 Hours, Kills Weeds and Grasses to the Root When Used as Directed, Up to 1 Year of Weed and Grass Control, 1 gal.

Ortho GroundClear Year Long Vegetation Killer1 is a concentrate formula that kills weeds and prevents any re-growth for up to 1 year with a single application
Fast-acting formula starts working immediately
Starts to kill weeds and grasses in 3 hours
Kills tough weeds to the root when used as directed
Apply with a tank sprayer to driveways, sidewalks, gravel areas, rock and desert landscapes, under decks, on parking areas, and along fences and curbs (packaging may vary)

Roundup For Lawns₂ Concentrate - Tough Weed Killer for Use on Northern Grasses, 32 oz.

Kills weeds, not the lawn
Kills 253 types of weeds, including crabgrass, dandelion, clover, and yellow nutsedge (see inside booklet for weed list)
For use on Northern grasses, including Bluegrass, Fescue, Zoysia, Perennial Ryegrass
Starts working immediately, is rainproof in as little as 3 hours, and controls weeds for up to 3 months (as listed)
Fast acting, lawn-friendly dilutable concentrate formula covers up to 5,000 sq. ft.

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Ortho GroundClear Weed & Grass Killer Super Concentrate1 Fast-Acting Formula Kills the Toughest Weeds and Grasses, 32 fl. oz.

The dual action formula of Ortho GroundClear Weed & Grass Killer Super Concentrate1 kills even the toughest types of weeds and grasses by working on contact for fast results while moving down to the roots
Weeds start to wilt within hours and completely die in 1-2 weeks; this quick kill formula that is rainfast 15 minutes after it's applied
This product starts to work on contact as it is absorbed into the plant and works through its system to kill weeds right down to the root
Apply this herbicide to landscape areas, patios, walkways, and driveways when weeds are actively growing and the air temperature is above 60°F
This product is a concentrate and cannot be applied directly out of its container - please read product label for specific application instructions

Liquid Harvest Mesotrione - 8oz - Mesotrione Concentrate (Compare to Tenacity) - Pre and Post-Emergent Weed Killer for Lawn and Turf Grasses

Not your typical weed killer! Mesotrione prevents photosynthesis in plants. It will absorb and start working immediately, however, it can take up to 2-3 weeks before full death occurs on your weeds
Mesotrione must be activated by water. If rainfall hasn’t occurred within 10 days of application, water the area with 0.15 inches of water
Liquid Harvest Mesotrione targets 46 broadleaf species of weed and grass. It can combat Barnyard grass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot, and others.
For use in Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, St. Augustine Grass (grown for sod only). DO NOT apply this product on Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. Mesotrione can only be used on bermudagrass that is still dormant when trying to remove weeds or target grasses from it. If the bermuda is only semi dormant you will see whitening and damage to the bermuda.
4 - 8 oz. per 30 gallons of water per acre, use a Surfactant to Increase Effectiveness and be sure to read label for full instructions

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Ortho WeedClear Lawn Weed Killer Ready to Spray3 - Dandelion & Clover Killer, Also Kills Chickweed, Dollarweed & More, Weed Control for Lawns, Use on Southern Grasses, Kills to the Root, 32 oz.

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
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)
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)
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

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Bonide Ground Force Vegetation Killer, 128 oz Concentrate Provides Year Long Protection Against Weeds, Grasses & Roots

VEGETATION KILLER - The fast-acting formula of Ground Force Vegetation Killer makes it perfect for use on unwanted weeds & grasses. It kills the roots and all.
VARIETY OF USES - This product is ideal for use on driveways, gravel areas, patios, parking areas, sidewalks, brick walkways, brick pathways, along fences, curbs, cracks in sidewalks, & more.
LONG-LASTING RESULTS - One application of Ground Force controls vegetation for up to 1 year. Apply to locations only where no vegetation growth is desired for up to one year. 1 quart of this weed preventer will cover up to 75 square feet of lawn.
WON'T WASH AWAY - Ground Force is rainproof within hours. For best results, spray with enough time for it to completely dry before it rains. Will not wash off after it has dried.
EASY TO SPRAY - Product instantly mixes with water and should be applied using either a tank sprayer or sprinkling can. Carefully read and use according to label directions.

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Spectracide Weed and Grass Killer With Extended Control Concentrate 32 fl Oz

EXTENDED WEED AND GRASS CONTROL: Kills all types of weeds and grasses down to the root, and avoids weeds from coming back for up to 3 months
QUICK-KILL FORMULA: Visible results in as little as 3 hours
RAINFAST: Rainfall or watering 15 minutes after application will not wash away effectiveness
CONCENTRATE: Mix and apply with a tank sprayer – spray to completely cover the leaves of the target vegetation
COVERAGE: 32 ounces makes up to 10 gallons and covers up to 3,000 square feet

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Liquid Harvest Mesotrione - 32oz - Mesotrione Concentrate (Compare to Tenacity) - Pre and Post-Emergent Weed Killer for Lawn and Turf Grasses

Liquid Harvest Mesotrione is a very useful herbicide as it prevents crabgrass seed germination and kills broadleaf weeds (dandelion and clover among others) on contact, while allowing certain cool season turfgrass to grow in a weed-free environment.
Liquid Harvest Mesotrione has a 40% active ingredient that inhibits photosynthesis in susceptible plant species. It is distributed throughout the plant after being absorbed by the plants through roots, shoots and leaves.
Liquid Harvest Mesotrione targets 46 broadleaf species of weed and grass. It can combat Barnyard grass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot, and others.
For use in Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, St. Augustine Grass (grown for sod only). DO NOT apply this product on Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. Mesotrione can only be used on bermudagrass that is still dormant when trying to remove weeds or target grasses from it. If the bermuda is only semi dormant you will see whitening and damage to the bermuda.
4 - 8 oz. per 30 gallons of water per acre, use a Surfactant to Increase Effectiveness and be sure to read label for full instructions

Roundup for Lawns₁ Ready-to-Use - Tough Weed Killer for Use On Northern Grasses, Extended Reach Wand, 1.33 gal.

Kills weeds, not the lawn
Kills 253 types of weeds, including crabgrass, dandelion, clover, and yellow nutsedge (see inside booklet for weed list)
For use on Northern grasses, including Bluegrass, Fescue, Zoysia, Perennial Ryegrass
Starts working immediately, is rainproof in as little as 3 hours, and controls weeds for up to 3 months (as listed)
Ready-To-Use: There is no mixing and no measuring, you just pour and go

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