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Updated: 06 Apr 2026

10 Best Weed Killers Extended

#1 Best Pick
Roundup Advance Weedkiller Concentrate, 1L

Roundup Advance Weedkiller Concentrate, 1L

Brand: Roundup
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  • Rainproof after 2 hours
  • Non-residual, not active in the soil
  • Ideal for larger gardens and home sprayers
  • Self-draining, no mess measuring cap
  • Unwanted grasses and vegetation in home garden areas and around waterways
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#2 Best Value
Brunnings Ready to Use Weed Kill 1 Litre

Brunnings Ready to Use Weed Kill 1 Litre

Brand: Brunnings
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  • Controls weed and grasses in the home garden
  • Kills the entire plant including the roots
  • Non-residual replant after 7 days
  • Easy ready to use trigger pack
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#3 Budget Pick
SureFire Glyphosate 360 Herbicide Weed Killer 1 Litre, Clear

SureFire Glyphosate 360 Herbicide Weed Killer 1 Litre, Clear

Brand: SUREFIRE
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  • Glyphosate is a very effective, low toxicity weedkiller and herbicide
  • It kills pretty much everything with roots
  • It will kill most grasses, weeds, small trees and other plants
  • A water soluable herbicide for the non-slective control of most perennial and annual weeds
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#4 Top Choice
Roundup Weedkiller Concentrate, 5L

Roundup Weedkiller Concentrate, 5L

Brand: Roundup
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  • First effects seen within 12 hours
  • Rainproof after 30 minutes
  • Non-residual; not active in the soil
  • Innovative spray head with 2 spray patterns
  • Child resistant packaging
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#5 Popular Choice
Brunnings 1 Hour Fast Action Weed Killer 1 Litre (Pack of 2)

Brunnings 1 Hour Fast Action Weed Killer 1 Litre (Pack of 2)

Brand: Brunnings
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  • The information below is per-pack only
  • A rapid-acting weed killer that kills weeds and grasses fast
  • Kills weeds and grasses, roots and all
  • Rainproof after 30 minutes
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#6 Top Pick
Yates Zero Ultra Tough RTU Weedkiller, 750 ml, Multicolor

Yates Zero Ultra Tough RTU Weedkiller, 750 ml, Multicolor

Brand: Yates
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  • Heavy duty weed killer
  • Kills hard-to-kill weeds, roots and all
  • Rainproof in 30 minutes
  • Kills bamboo, onion weed, blackberry, lantana, oxalis, wandering trad and more
  • Pre mixed ready to use
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#7 Top Pick
Roundup Regular Weedkiller Spray, 3L

Roundup Regular Weedkiller Spray, 3L

Brand: Roundup
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  • Conveniently ready mixed
  • Rainproof in 30 minutes
  • Works within 24 hours
  • Non-residual in the soil
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#8 Top Pick
Brunnings 100 g/l Concentrate Glyphosate Weed Killer 1 Litre

Brunnings 100 g/l Concentrate Glyphosate Weed Killer 1 Litre

Brand: Brunnings
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  • 100 G/l concentrate for smaller home and garden jobs
  • 1 Liter makes up to 50 liters of ready-to-use product
  • Effectively kills most grasses and weeds
  • Ideal for spot-weeding in rockeries, garden beds, driveways, fence lines and lawn edges
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#9 Top Pick
Roundup Advanced Concentrate Weed Killer 280 ml

Roundup Advanced Concentrate Weed Killer 280 ml

Brand: Roundup
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  • WATER SOLUBLE WEEDKILLER that provides non-selective control of many annual and perennial weeds
  • SYSTEMATIC WEEDKILLER. Kills weeds, roots and all. Not active in the soil
  • SELF-DRAINING measuring cap for no mess accurate dosing. Non-residual
  • BECAUSE IT KILLS RIGHT DOWN to the root, Roundup will eradicate almost all weeds, including deep-rooted perennials such as Pampas Grass, Bamboo and Lantana.
  • ROUNDUP kills the leaves, shoots and roots
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#10 Top Pick
Roundup Fast Action Weedkiller Spray, 1L

Roundup Fast Action Weedkiller Spray, 1L

Brand: Roundup
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  • Conveniently ready mixed
  • Rainproof in 30 minutes
  • Works within 24 hours
  • Non-residual in the soil
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