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

3,114 (rnd) Reviews Scanned

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1 Spectracide Weed & Grass Killer Concentrate, Use On Driveways, Walkways and Around Trees & Flower... Spectracide Weed & Grass Killer Concentrate, Use On Driveways, Walkways and Around Trees & Flower...
2 Hi-Yield (33691) Super Concentrate Killzall Weed & Grass Killer (16 oz) Hi-Yield (33691) Super Concentrate Killzall Weed & Grass Killer (16 oz)
3 Barricade 4FL Herbicide Concentrate - Preemergent Weed Control - Long Lasting Broadleaf Weed... Barricade 4FL Herbicide Concentrate - Preemergent Weed Control - Long Lasting Broadleaf Weed... No ratings yet
4 Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal) Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal)
5 Roundup Weed & Grass Killer₄ with Sure Shot Wand, Use in and Around Flower Beds, Trees, and... Roundup Weed & Grass Killer₄ with Sure Shot Wand, Use in and Around Flower Beds, Trees, and... No ratings yet
6 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... No ratings yet
7 Hi-Yield (35261) Triclopyr Ester (8oz) Hi-Yield (35261) Triclopyr Ester (8oz)
8 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 &...
9 Bonide Weed Beater Ultra, 128 oz Ready-to-Use Spray, Fast-Acting Protection Against Broadleaf Weeds... Bonide Weed Beater Ultra, 128 oz Ready-to-Use Spray, Fast-Acting Protection Against Broadleaf... No ratings yet
10 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
11 Tsunami DQ Aquatic Herbicide- Quart - 37.3 Percent Diquat Dibromide – Concentrated Aquatic Weed... Tsunami DQ Aquatic Herbicide- Quart - 37.3 Percent Diquat Dibromide – Concentrated Aquatic Weed... No ratings yet
12 Bonide (BND307) - Weed Beater Ultra, Ready to Use Weed Killer (32 oz.) (Pack of 2) Bonide (BND307) - Weed Beater Ultra, Ready to Use Weed Killer (32 oz.) (Pack of 2) No ratings yet
13 Bonide ProZone Weed Beater Complete, 10 lb. Ready-to-Use Lawn Friendly All-in-One Weed Control for... Bonide ProZone Weed Beater Complete, 10 lb. Ready-to-Use Lawn Friendly All-in-One Weed Control...
14 Corteva Agriscience Remedy Herbicide Corteva Agriscience Remedy Herbicide
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 (BND3082) - Weed Beater Ultra, Ready to Use Weed Killer (1 gal.) Bonide (BND3082) - Weed Beater Ultra, Ready to Use Weed Killer (1 gal.)
17 Bonide Weed Beater Ultra, 16 oz Ready-to-Spray Fast-Acting Protection Against Broadleaf Weeds in... Bonide Weed Beater Ultra, 16 oz Ready-to-Spray Fast-Acting Protection Against Broadleaf Weeds in... No ratings yet
18 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
19 Airmax Wipeout Pond Weed Defense, Herbicide & Aquatic Weed Control, Controls Duckweed & Other... Airmax Wipeout Pond Weed Defense, Herbicide & Aquatic Weed Control, Controls Duckweed & Other... No ratings yet
20 Triclopyr 4 EC Compare to Garlon 4 and Remedy 1 Quart Triclopyr 4 EC Compare to Garlon 4 and Remedy 1 Quart No ratings yet

Bestseller No. 1
Spectracide Weed & Grass Killer Concentrate, Use On Driveways, Walkways and Around Trees & Flower...
  • KILLS WEEDS AND GRASSES: use on driveways and walkways, and around fences, trees, flower beds, shrubs and other areas in your yard
  • 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
  • CONCENTRATE: Mix and apply with a tank sprayer
  • Spray to completely cover the leaves of the target vegetation
SaleBestseller No. 2
Hi-Yield (33691) Super Concentrate Killzall Weed & Grass Killer (16 oz)
  • 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. 16 oz. covers up to 3,200 sq ft.
  • 16 oz bottle of weed control liquid concentrate can treat up to 3,200 square feet.
  • See label for application instruction. Spraying accessory required for application.
Bestseller No. 3
Barricade 4FL Herbicide Concentrate - Preemergent Weed Control - Long Lasting Broadleaf Weed...
  • PREVENT WEED DEVELOPMENT: Barricade 4FL controls the growth and development of weeds before they germinate. Barricade 4FL will not control weeds after...
  • LONG-LASTING PREEMERGENCE WEED PREVENTION: Take action before unsightly vegetation infiltrates your landscaped lawn with our pre-emergent concentrate....
  • ULTRA EFFECTIVE: You can use more Barricade for season-long targeted weed control and modulate your use during shorter growing seasons. It's the ideal...
  • BROAD-SPECTRUM HERBICIDE: The weed grass killer is super effective on residential turf, production, and landscape ornamentals. This grass killer can...
  • INHIBITS GROWTH: Our herbicide for lawns prevents weed growth and development. This weed preventer focuses on controlling preventing pesky grass and...
SaleBestseller No. 4
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. 5
Roundup Weed & Grass Killer₄ with Sure Shot Wand, Use in and Around Flower Beds, Trees, and...
  • Roundup Weed & Grass Killer₄ kills tough weeds and grasses to the root, including dandelion, crabgrass, poison ivy, clover (red & white), spotted...
  • It 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 or around flower beds and perennial landscape plants, around trees and shrubs, on patios, walkways, and driveways, gravel, or mulch beds, along...
  • The Sure Shot Wand extends 2 feet and features a shield to help target the spray on the weeds and protect desirable plants from drift
SaleBestseller No. 6
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. 7
Hi-Yield (35261) Triclopyr Ester (8oz)
  • Controls actively growing annual and perennial broadleaf weeds such as Oxalis and Wild Violet.
  • Can be used on perennial bluegrass, perennial ryegrass, and tall fescue ornamental turf.
  • The 8 oz bottle of liquid concentrate is also used as a Bluegrass suppressor.
  • Do not apply to Bahiagrass, Bentgrass, bermudagrass, Centipedegrass, St. Augustine, or Zoysiagrass.
  • Application varies by dimension and grass type. See label for application instruction.
Bestseller No. 8
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 Fish -- When used as directed, will not harm game fish such as bass, trout, bluegill, carp, bass, catfish, walleye, crappie, pike,...
Bestseller No. 9
Bonide Weed Beater Ultra, 128 oz Ready-to-Use Spray, Fast-Acting Protection Against Broadleaf Weeds...
  • 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. 10
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...
SaleBestseller No. 11
Tsunami DQ Aquatic Herbicide- Quart - 37.3 Percent Diquat Dibromide – Concentrated Aquatic Weed...
  • Diquat formula kills surface and submerged weeds that are copper resistant
  • Effective in controlling hard to kill weeds like duckweed
  • Consists of 37.3% diquat dibromide
  • 2-8 quarts per surface acre depending on infestation & type of weed for aquatics
  • Use Plex Mate to enhance effects when treating floating marginal weeds
Bestseller No. 12
Bonide (BND307) - Weed Beater Ultra, Ready to Use Weed Killer (32 oz.) (Pack of 2)
  • The information below is per-pack only
  • 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...
Bestseller No. 13
Bonide ProZone Weed Beater Complete, 10 lb. Ready-to-Use Lawn Friendly All-in-One Weed Control for...
  • 5,200 SQUARE FEET OF PROTECTION - With just 10 pounds of Weed Beater Complete, you can protect up to 5,200 square feet of your property.
  • PRE AND POST FORMULA - The formula for Weed Beater Complete takes care of pre-emerging and post-emerging control of both grassy and broadleaf weeds.
  • WIDE RANGE OF CONTROL - This product gets rid of crabgrass, nutsedge, goosegrass, ground ivy, and way more. It can kill the toughest weeds with...
  • GRANULAR APPLICATION - Unlike most weed killer concentrate formulas, this product is a dry-application granule that can be used on warm and cool...
  • READY TO USE - This product is conveniently ready to use when it arrives. Apply exactly as directed on the label for the best results.
Bestseller No. 14
Corteva Agriscience Remedy Herbicide
  • Remedy Specialty Herbicide for the control of woody plants and broadleaf weeds on rangeland, permanent grass pastures, and conservation reserve...
SaleBestseller 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 (BND3082) - Weed Beater Ultra, Ready to Use Weed Killer (1 gal.)
  • 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...
SaleBestseller No. 18
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. 19
Airmax Wipeout Pond Weed Defense, Herbicide & Aquatic Weed Control, Controls Duckweed & Other...
  • Long-Term Pond Weed Control: Provides an easy-to-use, all-season treatment for the entire water body. The systemic fluridone herbicide controls...
  • Combination Treatment Effective on Floating & Submerged Aquatic Weeds: Controls duck weed, water lilies, coontail, fanwort, watermilfoil, American...
  • Easy Application: Simply mix treatment with pond water and pour in several spots around the pond's edge. Treat once and then enjoy your pond all...
  • Treats Entire Body of Water in a Single Application: WipeOut pond weed killer is designed to treat your entire pond or lake with a single application...
  • Enjoy Your Pond After Application: WipeOut aquatic weed killer has no temperature, swimming, boating, fishing, or livestock restrictions and can be...
SaleBestseller No. 20
Triclopyr 4 EC Compare to Garlon 4 and Remedy 1 Quart
  • Triclopyr 61.6%
  • Triclopyr 4 can be used similar to Garlon 4 to control brush and trees in pastures, rangelands, right of ways, lawns, golf courses, sod farms,...
  • The mix rate for triclopyr is 3.2oz to 6.4oz per gallon. Triclopyr is more effective if mixed with a bark penetrent like methylated seed oil.
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