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Price range: $23.00 through $62.00

  • Selective weedkiller – kills weeds, not your lawn
  • Targets Onehunga, clover, creeping oxalis, dandelion, dock and more
  • Safe for all NZ grass types
  • Ready-to-use – no mixing required
  • See visible results in 7 days
  • Contains marker dye to show treated areas
  • Child-resistant trigger for added safety
  • Available in: 1L Spray, 2.5L Pump ’n Go, 5L Refill
Brand:Round Up

Round Up | Lawn Weedkiller

Tackle tough lawn weeds without harming your grass with Roundup® Lawn Weedkiller. This ready-to-use formula is specially designed for New Zealand lawns, targeting common broadleaf weeds while keeping your turf safe.

Perfect for all grass types, it kills the weeds – not your lawn.

Available Sizes:

  • 1L Ready-to-Use Spray
  • 2.5L Pump ’n Go Pressure Sprayer
  • 5L Refill Bottle (use with your own sprayer)

Key Features:

  • Selective action – targets weeds like Onehunga, clover, oxalis, dandelion, dock
  • Safe on all New Zealand grass types
  • Ready-to-use – no mixing needed
  • 2.5L includes extendable lance for easy application
  • Marker dye shows treated areas
  • Child-resistant trigger for safety
  • See results in just 7 days
  • Reduces spray drift onto non-target plants

Directions for Use:

  • Shake well before use
  • Spray weeds on a calm, dry day
  • Cover weed foliage evenly
  • Avoid mowing 2–3 days before and after use
  • Do not water lawn for 24 hours after spraying

Roundup® Lawn Weedkiller – fast, safe, and effective weed control for Kiwi lawns, all year round.

FAQs

What weeds does this product control?

It targets common lawn weeds including Onehunga weed, clovers, creeping oxalis, dandelion, and dock.

Will it kill my lawn grass?

No, it's a selective weedkiller designed to kill weeds without harming your lawn. Safe for all grass types.

How soon will I see results?

You’ll begin to see visible results within 7 days of application.

Is it ready to use?

Yes – all sizes (1L, 2.5L, and 5L) are ready to use with no mixing required.

Can I mow before or after application?

Avoid mowing for 2–3 days before and after applying for best results.

Is it safe around children and pets?

It includes a child-resistant trigger. Keep children and pets off the treated area until the spray has dried.

How does the marker dye help?

The built-in marker dye allows you to clearly see where you've already sprayed, preventing double application.

Can I use it on newly seeded lawns?

No, wait until the lawn is well established before applying this product.

What’s the difference between the 2.5L and 5L options?

The 2.5L includes a Pump ’n Go pressure sprayer; the 5L is a refill bottle for use with your own sprayer.

Weight 5 kg
Size

1L, 2.5L, 5L

1 review for Round Up Lawn Weedkiller

5.0
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  1. Works great on stubborn weeds without hurting my grass. Easy to use right from the bottle, and I saw results within a week!

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