Best Liquid Weed Killers in 2026

Glyphosate 73.3%, Diquat 2.9%

Roundup QuickPro Herbicide is for use anywhere there is undesirable vegetation. Extra care should be taken to ensure that non-target vegetation is protected from any drift.

The mix rate for Roundup QuikPro is 1.5 ounces per gallon of water.

For all your home and garden needs - Controlling Insects and Weeds or Cleaning Decks and Siding; Easy one-step assembly. Fill, pressurize, and spray.

Safe, pressure release cap sends vapors and liquids down and away before top is opened.

Kills and prevents weeds for up to 12 months by creating an invisible barrier in the soil

Temporary formulation - will not permanently stain treated surfaces

Non toxic to people, animals and the local environment

Can be used inside and outside the home

Product 1: Eliminates weeds at seedlings so new grass can flourish.

Product 1: Brand name: Syngenta

Product 1: Made in United States

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.

Size: 1 quart

Liquid Concentrate

Active Ingredient: Glyphosate 43. 68%, Imazapyr 0. 78%

Makes spraying liquid weed killers, insect killers, fungicides and fertilizers easier

Extended-grip design keeps hands dry during application

Direct-connect design makes attaching to Ortho concentrate bottles fast and easy

3X SUPER CONCENTRATE BLUE MARKER: PetraTools Sprayer’s Blue is a highly concentrated water soluble spray colorant for fertilizers, herbicides, and weed killer products. This is a super concentrate that requires 3X’s less marker per gallon compared to other lawn dyes so that you get 3X’s the value for your money. With its extremely visible blue color, you can quickly locate the liquid products applied on your lawn and clogged nozzles or blockages in your sprayer. Saves you time spraying!

Quickly Fades: No need to worry about seeing your yard blue for a long time! Our blue turf mark will fade in 24-48 hours. It naturally disappears with rainfall and exposure to sunlight and doesn’t stain your shoes, clothes, or pets. Compatible with tenacity herbicide, surfactant for herbicide, mesotrione, & all herbicides.

The Perfect Spray Pattern Dye: Sprayer’s Blue is perfectly designed for use with sprayers. As a dependable and trusted sprayer manufacturer, PetraTools is developing the lawn solutions you need for the sprayers that get the job done right. 100% Safe to Use, Sprayer’s Blue is formulated with non-irritating ingredients - our spray marker is 100% safe to use around people, pets, and the environment.

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.

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.

Not For Sale to AZ, OR, WA, NM, MT, ID, WY, NV, AK,HI

Provides post-emergent control of tough-to-control weeds

Weeds controlled include crabgrass (pre- and post-emergent), ground ivy, yellow foxtail, yellow nutsedge and dandelion

Selective weed killer controls over 200 grassy and broadleaf weeds including Crabgrass and Foxtail.

Intended for use on established lawns including Bermuda, Buffalo, Kentucky Bluegrass and more.

The 16 oz bottle of liquid concentrate weed killer can treat up to 2,500 sq. feet.

SURFACTANT: An economical wetting agent that reduces surface tension to increase the effectiveness of herbicides, insecticides, and fertilizers.

ABSORBTION: It allows herbicides, insecticides & herbicides to be absorbed more quickly into the soil and foliage, while reducing run-off and waste.

PENETRATION: The addition of this product to your spray solutions assures maximum penetration of landscape chemicals while reducing run-off and waste.

Simazine - 41.9%

When tank mixing or sequentially applying simazine or products containing simazine, the total

For use in Golf courses, residential and commerical lawns (Warm Season grasses only), nurseries, landscapes and ornamental plantings, Christmas tree plantings, sod farms (Florida only), and shelter belts * See label for complete list

Product 1: Tenacity is a systemic pre-emergence and post-emergence herbicide for the selective contact and residual control of weeds in turfgrasses.

Product 1: When applied as a pre-emergent, weeds absorb Tenacity during emergence from the soil.

Product 1: Target pests: Barnyardgrass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot and others

Kills most varieties of crabgrass

Visible results in as little as two days

96 oz. treats up to 1 Acre

Controls weeds: Bull thistle, Creeping buttercup, Dandelion, Moss, Speedwell spp., Persian speedwell, White clover

Supresses weeds: Black medic, English daisy

Single application kills most weeds

Product 1: KILLS ROOTS IN SEWER AND SEPTIC PIPES: Roebic K-77 Root Killer clears existing roots and stops new growth fast from sewer and septic pipes, keeping lines free from clogging tree and shrub roots

Product 1: PREVENTS RE-GROWTH: The K-77 copper formula chemically kills roots at the point of entry into pipes to prevent re-growth, improving drainage and flow

Product 1: SAFE FOR ALL PLUMBING: Root Killer is non-corrosive and safe for all types of plumbing and will not harm surrounding trees, ground cover, or the natural bacteria content in septic tanks and cesspools

THE PRO CHOICE FOR SEASON-LONG WEED CONTROL: Semera SC contains 41.4% flumioxazin; the same active ingredient as SureGuard SC, the herbicide professionals trust for season-long weed control. Our convenient liquid SC formula makes it easy to mix into solution and clean from equipment.

VERSATILE HERBICIDE FOR MANY USES: Hold down grassy and broadleaf weeds with this versatile solution for landscape, golf course, and nursery settings including aquatic, bare ground, woody landscape ornamentals, container- or field-grown trees, and crack and crevice areas. Semera SC is also an excellent option for Poa control in dormant Bermudagrass. Refer to the product label for complete use and application information.

SIX-MONTH WEED CONTROL WITH ONE SPRAY: Make easy work of weed control with hard-working Semera SC. One application works all season to catch many broadleaf and grassy weeds before they emerge.

WEED & GRASS KILLER - The fast-acting formula of KleenUp 365 makes it perfect for use on unwanted weeds & grasses. It kills the roots and all. Visible results will occur in 10 hours.

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 our weed preventer controls vegetation for up to 1 year. Apply to locations only where no vegetation growth is desired for up to one year.

Patented technology with visible results within 24 hours works in hot or cold weather 1 gallon covers up to 10,000 sq. ft.

Rain-fast within 3 hours great alternative to synthetic chemicals broadcast apply or spot treat turf

NO unpleasant odor liquid selective herbicide that kills weeds and moss also controls or suppresses diseases such as but not limited to: Dollar Spot, Rust, Snow Mold

Product 1: Kills many broadleaf weeds

Product 1: Also used in centipede grass

Product 1: Provides suppression of crabgrass