20 Best Ultra Kill Weed And Grass Killer in 2024 Reviews and Buying Guide

2,557 Reviews Scanned

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1 Roundup Ready-To-Use Weed & Grass Killer III -- with Sure Shot Wand, Use in & Around Vegetable... Roundup Ready-To-Use Weed & Grass Killer III -- with Sure Shot Wand, Use in & Around Vegetable...
2 Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal) Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal) No ratings yet
3 RM43 43-Percent Glyphosate Plus Weed Preventer Total Vegetation Control, 2.5-Gallon RM43 43-Percent Glyphosate Plus Weed Preventer Total Vegetation Control, 2.5-Gallon No ratings yet
4 Roundup Weed & Grass Killer₄ Concentrate, Use In and Around Flower Beds, Walkways and other areas... Roundup Weed & Grass Killer₄ Concentrate, Use In and Around Flower Beds, Walkways and other... No ratings yet
5 Bonide 308 Weed Beater Ultra Fast-Acting Protection Against Broadleaf Weeds in Home Garden, 128 oz.... Bonide 308 Weed Beater Ultra Fast-Acting Protection Against Broadleaf Weeds in Home Garden, 128... No ratings yet
6 Airmax Ultra Pondweed Defense Aquatic Weed & Plant Killer, Easy Spray Application to Clean & Clear... Airmax Ultra Pondweed Defense Aquatic Weed & Plant Killer, Easy Spray Application to Clean &...
7 Airmax Ultra Pondweed Defense Aquatic Weed & Plant Killer, Easy Spray Application to Clean & Clear... Airmax Ultra Pondweed Defense Aquatic Weed & Plant Killer, Easy Spray Application to Clean &... No ratings yet
8 Natural Armor Weed and Grass Killer All-Natural Concentrated Formula. Contains No Glyphosate (320... Natural Armor Weed and Grass Killer All-Natural Concentrated Formula. Contains No Glyphosate (320... No ratings yet
9 Remedy Ultra Specialty Herbicide Weed Killer & Brush Control At Rangeland, Pasture and Fence Lines,... Remedy Ultra Specialty Herbicide Weed Killer & Brush Control At Rangeland, Pasture and Fence...
10 Roundup Dual Action Weed & Grass Killer Plus 4 Month Preventer with Pump 'N Go 2 Sprayer, 1.33 gal. Roundup Dual Action Weed & Grass Killer Plus 4 Month Preventer with Pump 'N Go 2 Sprayer, 1.33 gal. No ratings yet
11 Gly Star Plus Herbicide (2.5 Gallons)- by Albaugh, Glyphosate Concentrate (41%) Herbicide with... Gly Star Plus Herbicide (2.5 Gallons)- by Albaugh, Glyphosate Concentrate (41%) Herbicide with...
12 Corteva Agriscience Remedy Herbicide Corteva Agriscience Remedy Herbicide
13 BioSafe Systems 7601-1 Weed and Grass Killer, (Case – 2), 1 Gallon, Non-Selective Herbicide,... BioSafe Systems 7601-1 Weed and Grass Killer, (Case – 2), 1 Gallon, Non-Selective Herbicide,... No ratings yet
14 Bonide 311 916085 Qt Rts Ultra Weed Beater, 32 Fl Oz Bonide 311 916085 Qt Rts Ultra Weed Beater, 32 Fl Oz No ratings yet
15 Bonide Weed Beater Lawn Weed Killer, 32 oz Concentrate, Fast-Acting Formula Kills Broadleaf Weeds... Bonide Weed Beater Lawn Weed Killer, 32 oz Concentrate, Fast-Acting Formula Kills Broadleaf Weeds... No ratings yet
16 Bonide (BND307) - Weed Beater Ultra, Ready to Use Weed Killer (32 oz.) Bonide (BND307) - Weed Beater Ultra, Ready to Use Weed Killer (32 oz.) No ratings yet
17 Calyptus 45% Pure Super Concentrated Vinegar | Dilutes to 18 Gallons | 9x Power Concentrate Vinegar... Calyptus 45% Pure Super Concentrated Vinegar | Dilutes to 18 Gallons | 9x Power Concentrate... No ratings yet
18 Bonide Weed Beater Ultra, 16 oz Concentrate, Fast-Acting Protection Against Broadleaf Weeds in Warm... Bonide Weed Beater Ultra, 16 oz Concentrate, Fast-Acting Protection Against Broadleaf Weeds in... No ratings yet
19 Monterey Turflon Ester Specialty Herbicide - Controls Annual & Perennial Broadleaf Weeds - 1 Pint -... Monterey Turflon Ester Specialty Herbicide - Controls Annual & Perennial Broadleaf Weeds - 1 Pint... No ratings yet
20 Monterey Turflon Ester Specialty Herbicide Weed Killer, 32 Ounces Monterey Turflon Ester Specialty Herbicide Weed Killer, 32 Ounces No ratings yet

Bestseller No. 1
Roundup Ready-To-Use Weed & Grass Killer III -- with Sure Shot Wand, Use in & Around Vegetable...
  • Protective Shield fits over weeds to contain spray and help protect desirable plants
  • Use in and around vegetable gardens, flower beds, tree rings and mulched beds, as well as on cracks in driveways, walkways and patios
  • Protective Shield fits over weeds to contain spray and help protect desirable plants
  • Protective Shield fits over weeds to contain spray and help protect desirable plants
  • Use in and around vegetable gardens, flower beds, tree rings and mulched beds, as well as on cracks in driveways, walkways and patios
Bestseller No. 2
Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal)
  • 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.
Bestseller No. 3
RM43 43-Percent Glyphosate Plus Weed Preventer Total Vegetation Control, 2.5-Gallon
  • Kills weeds and prevents weeds for up to 1 year
  • Treats 43,243 square feet
  • Ideal for fence rows, gravel paths, sidewalks, driveways, parking areas and around farm buildings and barns
  • Apply to locations only where no vegetation is desired
  • Can be used for total vegetation control (bare ground) or spot control of brush, vines and weeds
SaleBestseller No. 4
Roundup Weed & Grass Killer₄ Concentrate, Use In and Around Flower Beds, Walkways and other areas...
  • Roundup Weed & Grass Killer₄ Concentrate kills tough weeds and grasses to the root, including dandelion, large crabgrass, poison ivy, clover (red &...
  • 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...
  • Mix Roundup Weed & Grass Killer₄ Concentrate according to label directions and spot treat or spray evenly each gallon of spray solution over 300 sq....
SaleBestseller No. 5
Bonide 308 Weed Beater Ultra Fast-Acting Protection Against Broadleaf Weeds in Home Garden, 128 oz....
  • KILLS OVER 200 BROADLEAF WEEDS - In one easy step, spray controls lawns from growing dandelion, clover, ground ivy, bedstraw, aster, gumweed, nettle,...
  • FOR USE ON GRASS - Designed to kill a variety of weeds, not lawn grasses. When used as directed it kills broadleaf weeds in lawns, roots and all.
  • QUICK RESULTS - Injury to weeds can be noticed within hours of the application and plant death can occur within 7-14 days.
  • WON'T WASH AWAY - Weed Beater Ultra is rainproof within hours. For best results, spray with enough time for it to completely dry before it rains. Will...
  • READY TO USE - This product is conveniently ready to use when it arrives. Apply directly from the container which is fitted with a trigger sprayer.
Bestseller No. 6
Airmax Ultra Pondweed Defense Aquatic Weed & Plant Killer, Easy Spray Application to Clean & Clear...
  • Broad Spectrum Pondweed Control -- Herbicide works on submerged, floating, and emergent weeds. Controls watermilfoil, hydrilla, naiad, coontail,...
  • Controls Submerged & Floating Pond Weeds -- Apply good coverage to nuisance or invasive weeds that are actively growing. Herbicide may temporarily...
  • Fast-Acting Contact Aquatic Herbicide -- Easy to apply using a tank sprayer. For best results, use with surfactant Airmax Treatment Booster Plus and...
  • Quick Results -- Weeds will begin to brown and die within 7-10 days. Remove dead weeds. Early-season emergent treatments may require additional...
  • Will Not Harm Aquatic Life -- When used as directed, will not harm game fish such as bass, trout, bluegill, carp, bass, catfish, walleye, crappie,...
Bestseller No. 7
Airmax Ultra Pondweed Defense Aquatic Weed & Plant Killer, Easy Spray Application to Clean & Clear...
  • Broad Spectrum Pondweed Control -- Herbicide works on submerged, floating, and emergent weeds. Controls watermilfoil, hydrilla, naiad, coontail,...
  • Controls Submerged & Floating Pond Weeds -- Apply good coverage to nuisance or invasive weeds that are actively growing. Herbicide may temporarily...
  • Fast-Acting Contact Aquatic Herbicide -- Easy to apply using a tank sprayer. For best results, use with surfactant Airmax Treatment Booster Plus and...
  • Quick Results -- Weeds will begin to brown and die within 7-10 days. Remove dead weeds. Early-season emergent treatments may require additional...
  • Will Not Harm Aquatic Life -- When used as directed, will not harm game fish such as bass, trout, bluegill, carp, bass, catfish, walleye, crappie,...
Bestseller No. 8
Natural Armor Weed and Grass Killer All-Natural Concentrated Formula. Contains No Glyphosate (320...
  • CONTAINS NO GLYPHOSATE - Natural, Concentrated Formula For Making 250+ Types of Weeds and Grasses Stop Right in Their Tracks. Weeds and Grass Will...
  • EASY TO USE - People & Pet Friendly. Ready To Use, Just Spray and Go. No Messy Mixing or Diluting.
  • PLACES TO USE - Use Anywhere You Don't Want Weeds and Grass Growing Such As, Around Flower Beds, Shrubs and Trees, Barns, Driveways, Edging, Fence...
  • FAST ACTING - See Results In Hours and Even Greater Results Shortly Thereafter.
SaleBestseller No. 9
Remedy Ultra Specialty Herbicide Weed Killer & Brush Control At Rangeland, Pasture and Fence Lines,...
  • Top rated pasture herbicide
  • Low-odor; Works on the entire plant roots and top growth
  • Flexible, long-lasting, ideal for pasture restoration, encroaching brush, maintaining fence rows and general brush control
  • Safe to use around children and pets when applied according to the product label
SaleBestseller No. 10
Roundup Dual Action Weed & Grass Killer Plus 4 Month Preventer with Pump 'N Go 2 Sprayer, 1.33 gal.
  • Roundup Dual Action Weed & Grass Killer Plus 4 Month Preventer with Pump 'N Go 2 Sprayer kills existing weeds and grass down to the root and prevents...
  • This weed killer and preventer is rainproof in as fast as 30 minutes, and produces visible results in as fast as 6 hours
  • Apply this herbicide to hardscapes and landscapes - cracks and crevices in driveways, sidewalks, and patios, along fences, in mulched beds or around...
  • All ornamental bedding plants, trees, shrubs, sod, and seed can be planted 4 months after application
  • Pump ‘N Go 2 Sprayer with an extendable wand provides 10 minutes of continuous spray (to prevent new weeds and grasses from growing, you must spray...
Bestseller No. 11
Gly Star Plus Herbicide (2.5 Gallons)- by Albaugh, Glyphosate Concentrate (41%) Herbicide with...
  • COMPARE to Active Ingredient In Roundup Ultra
  • NON-SELECTIVE, post emergent systemic herbicide
  • PROVIDES broad-spectrum control of annual and perennial weeds, woody brush and trees.
  • Visible effects within 2-4 days on most annual weeds and 7 or more days on most perennial weeds.
  • Moves through the plant from the point of foliage contact to and into the root system.
Bestseller No. 12
Corteva Agriscience Remedy Herbicide
  • Remedy Specialty Herbicide for the control of woody plants and broadleaf weeds on rangeland, permanent grass pastures, and conservation reserve...
Bestseller No. 13
BioSafe Systems 7601-1 Weed and Grass Killer, (Case – 2), 1 Gallon, Non-Selective Herbicide,...
  • WEED AND GRASS KILLER FOR ORGANIC GARDENING: leaves no harmful residues and will not leach through the soil to harm desirable plants
  • FAST-ACTING: effective weed and grass control with visible results within 24 hours
  • NON-SELECTIVE HERBICIDE: ideal for edging and spot weed control around ornamental trees, bushes, and flowers
  • EPA-REGISTERED: the ideal choice for avid and new gardeners
  • KILLS UNWANTED BROADLEAF AND GRASS WEEDS: bittercress, chickweed, cudweed, lambsquarters, liverwort, marestail or horseweed rosettes, moss, mustards,...
SaleBestseller No. 14
Bonide 311 916085 Qt Rts Ultra Weed Beater, 32 Fl Oz
  • KILLS OVER 200 BROADLEAF WEEDS - In one easy step, spray controls lawns from growing dandelion, clover, ground ivy, bedstraw, aster, gumweed, nettle,...
  • SAFE FOR GRASS - Designed to kill a variety of weeds, not lawn grasses. When used as directed it kills broadleaf weeds in lawns, roots and all.
  • QUICK RESULTS - Injury to weeds can be noticed within hours of the application and plant death can occur within 7-14 days.
  • WON'T WASH AWAY - Weed Beater Ultra is rainproof within hours. For best results, spray with enough time for it to completely dry before it rains. Will...
  • READY TO SPRAY - This product arrives in a container with an attached hose-end sprayer. Simply connect a garden hose to the sprayer and begin...
Bestseller No. 15
Bonide Weed Beater Lawn Weed Killer, 32 oz Concentrate, Fast-Acting Formula Kills Broadleaf Weeds...
  • KILLS OVER 200 BROADLEAF WEEDS - In one easy step, spray controls lawns from growing dandelion, clover, ground ivy, bedstraw, aster, gumweed, nettle,...
  • SAFE FOR GRASS - Designed to kill a variety of weeds, not lawn grasses. When used as directed it kills broadleaf weeds in lawns, roots and all.
  • QUICK RESULTS - Injury to weeds can be noticed within hours of the application and plant death can occur within 7-14 days.
  • WON'T WASH AWAY - Weed Beater Ultra is rainproof within hours. For best results, spray with enough time for it to completely dry before it rains. Will...
  • EASY APPLICATION - Product instantly mixes with water and should be applied with a backpack, compression, or knapsack sprayer. Carefully read and use...
Bestseller No. 16
Bonide (BND307) - Weed Beater Ultra, Ready to Use Weed Killer (32 oz.)
  • KILLS OVER 200 BROADLEAF WEEDS - In one easy step, spray controls lawns from growing dandelion, clover, ground ivy, bedstraw, aster, gumweed, nettle,...
  • SAFE FOR GRASS - This selective weed control is designed to kill a variety of weeds, not lawn grasses. When used as directed it kills broadleaf weeds...
  • QUICK RESULTS - Injury to weeds can be noticed within hours of the application and plant death can occur within 7-14 days.
  • WON'T WASH AWAY - Weed Beater Ultra is rainproof within hours. For best results, spray with enough time for it to completely dry before it rains. Will...
  • READY TO USE - This herbicide product is conveniently ready to use when it arrives. Apply directly from the container which is fitted with a trigger...
Bestseller No. 17
Calyptus 45% Pure Super Concentrated Vinegar | Dilutes to 18 Gallons | 9x Power Concentrate Vinegar...
  • UNMATCHED PURITY AND CONSISTENCY: Experience the difference with our Calyptus 45% vinegar concentrate solution, crafted with the highest purity...
  • NATURE'S POWER - AT YOUR COMMAND: Dilute up to 1:8 with water or use at full strength. One gallon of Calyptus 45% pure concentrated vinegar delivers...
  • SOURCED AND MADE IN THE USA: We take great pride in sourcing and manufacturing our ultra-powerful vinegar concentrate domestically, using high-purity...
  • THE POTENCY YOU EXPECT - 100% OF THE TIME: Precision manufacturing is not trivial - it's why we exist! The potency we state on our label is the exact...
  • JOIN THE CALYPTUS FAMILY – INTENT MATTERS: When you choose Calyptus, you're joining a growing community of millions who trust us to deliver...
Bestseller No. 18
Bonide Weed Beater Ultra, 16 oz Concentrate, Fast-Acting Protection Against Broadleaf Weeds in Warm...
  • KILLS OVER 200 BROADLEAF WEEDS - In one easy step, spray controls lawns from growing dandelion, clover, ground ivy, bedstraw, aster, gumweed, nettle,...
  • FOR USE ON GRASS - Designed to kill a variety of weeds, not lawn grasses. When used as directed it kills broadleaf weeds in lawns, roots and all.
  • QUICK RESULTS - Injury to weeds can be noticed within hours of the application and plant death can occur within 7-14 days.
  • WON'T WASH AWAY - Weed Beater Ultra is rainproof within hours. For best results, spray with enough time for it to completely dry before it rains. Will...
  • EASY SPRAY APPLICATION - Product instantly mixes with water and should be applied with a backpack, compression, or knapsack sprayer. Carefully read...
Bestseller No. 19
Monterey Turflon Ester Specialty Herbicide - Controls Annual & Perennial Broadleaf Weeds - 1 Pint -...
  • WEED AND GRASS KILLER - Turflon Ester controls bermudagrass, kikuyugrass, and certain broadleaf weeds such as oxalis, ground ivy, wild violet, clover...
  • POST-EMERGENT HERBICIDE - Our spray is used for the control of actively growing plants. Only emerged weeds present at the time of application will be...
  • COOL SEASON TURF - This product is designed for use on cool season grass only. It controls broadleaf weeds in perennial bluegrass, perennial ryegrass,...
  • EASY TO USE - Simply dilute Turflon Ester with water and apply using a spray tank. Carefully read label direction before use. One pint of Turflon...
  • AVOID NEAR FLOWERBEDS - Do not allow spray drift to contact flowerbeds or other non-target broadleaf plants or damage will occur.
Bestseller No. 20
Monterey Turflon Ester Specialty Herbicide Weed Killer, 32 Ounces
  • For control of actively growing bermuda grass, kikuyugrass and broadleaf weeds in cool season lawns
  • Easy to use, simply dilute Turflon Ester with water and apply using a spray tank. Read entire label for specific directions for use.
  • Contains 60.45% of Triclopyr Active Ingredient for use on ornamental turf
  • Only emerged weeds present at the time of application will be controlled.
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