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Best Lawn Grub Killers in Australia: Protect Your Lawn from Pests

June 15, 2024 | by Shunmarsh

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Maintaining a healthy, green lawn in Australia can be challenging, especially when faced with the threat of lawn grubs. These pests can cause significant damage, turning lush lawns into brown, patchy areas. Fortunately, there are effective lawn grub killers available that can help you keep these destructive insects at bay. This article highlights some of the best lawn grub killers Australia and provides tips for effective application and prevention.

Understanding Lawn Grubs

Lawn grubs, also known as white grubs, are the larvae of beetles such as Japanese beetles, African black beetles, and curl grubs. They feed on grass roots, which leads to wilting, yellowing, and eventually, dead patches in the lawn. Early detection and treatment are crucial to prevent extensive damage.

Top Lawn Grub Killers in Australia

1. Scotts GrubEx

Key Features:

  • Effective Control: Kills a wide range of lawn grubs and beetles.
  • Long-Lasting: Provides protection for up to four months.
  • Easy to Use: Granular form that can be spread evenly over the lawn.

Why We Like It: Scotts GrubEx is a reliable choice for homeowners looking for long-term protection against lawn grubs. Its granular form ensures even distribution and thorough coverage.

2. Yates Grub Kill & Protect

Key Features:

  • Dual Action: Kills grubs and provides ongoing protection.
  • Fast Acting: Visible results within days.
  • Liquid Form: Can be applied with a sprayer for even coverage.

Why We Like It: Yates Grub Kill & Protect is known for its fast-acting formula and dual action, making it ideal for immediate relief and long-term prevention.

3. Richgro Lawn Beetle & Grub Killa

Key Features:

  • Broad Spectrum: Targets lawn beetles and a variety of grubs.
  • Granular Formula: Easy to apply with a spreader.
  • Season-Long Protection: Effective for several months.

Why We Like It: Richgro offers a broad-spectrum solution that is effective against multiple pests, ensuring your lawn remains healthy throughout the season.

4. Eco-neem

Key Features:

  • Organic: Made from neem tree extracts.
  • Safe for Beneficial Insects: Targets harmful pests while being safe for bees and other beneficial insects.
  • Multi-Purpose: Effective against a range of lawn pests.

Why We Like It: Eco-neem is an excellent choice for environmentally conscious gardeners who want an organic solution that is safe for beneficial insects while effectively targeting lawn grubs.

5. Baythroid Advanced Insect Killer for Lawns

Key Features:

  • Rapid Action: Kills grubs on contact.
  • Wide Coverage: Suitable for large areas.
  • Long-Lasting: Provides residual control for weeks.

Why We Like It: Baythroid Advanced offers rapid action against grubs and is suitable for large lawns, making it a go-to for quick and effective pest control.

Application Tips for Lawn Grub Killers

  • Timing: Apply grub killers during the early stages of grub development, typically in late spring to early summer.
  • Watering: Water your lawn before and after application to help the product penetrate the soil and reach the grubs.
  • Even Coverage: Use a spreader or sprayer for even distribution to ensure all areas are treated.
  • Follow Instructions: Always adhere to the manufacturer’s guidelines for the correct dosage and application method.

Preventive Measures

  • Regular Monitoring: Check your lawn regularly for signs of grub activity, such as brown patches or increased bird activity (as birds feed on grubs).
  • Healthy Lawn Practices: Maintain a healthy lawn with proper mowing, watering, and fertilizing to strengthen grass and make it more resistant to pests.
  • Beneficial Nematodes: Consider introducing beneficial nematodes, which are natural predators of lawn grubs, to provide biological control.


Effectively managing lawn grub killers Australia requires a combination of the right products and proper lawn care practices. Whether you opt for the long-lasting protection of Scotts GrubEx, the organic approach of Eco-neem, or the rapid action of Baythroid Advanced, there’s a solution to suit every lawn care need. Regular monitoring and preventive measures will help you maintain a healthy, vibrant lawn free from the damage caused by lawn grubs.


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