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Comprehensive Guide to Lawn Grub Killers in Australia

June 14, 2024 | by Shunmarsh

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Lawn grubs, also known as white grubs, are a common problem in Australian lawns. These pests can cause significant damage to grass by feeding on the roots, leading to brown patches and weakened turf. Effective management of lawn grubs involves using the right products and adopting proper lawn care practices. This guide outlines the best lawn grub killers Australia their benefits, and tips for effective application.

Understanding Lawn Grubs

Lawn grubs are the larvae of various beetles, including scarab beetles, African black beetles, and billbugs. They typically live in the soil and feed on grass roots, which can result in:

  • Thinning and yellowing of grass.
  • Brown patches that are easy to pull up.
  • Increased attraction of birds and other animals that feed on grubs.

Top Lawn Grub Killers in Australia

  1. Yates Grub Kill & Protect for Lawns
    • Description: Yates Grub Kill & Protect is a popular product that provides both curative and preventive control of lawn grubs.
    • Active Ingredient: Imidacloprid.
    • Benefits:
      • Kills grubs within days of application.
      • Provides up to 6 months of protection.
      • Easy-to-use granules that can be spread with a lawn spreader.
    • Application: Apply granules evenly across the lawn and water in thoroughly. Follow label instructions for the correct application rate.
  2. Scotts Lawn Builder Grub & Insect Control
    • Description: This product from Scotts offers a dual-action formula that targets lawn grubs and other common lawn pests.
    • Active Ingredient: Chlorantraniliprole.
    • Benefits:
      • Long-lasting protection for up to 6 months.
      • Safe for all lawn types.
      • Easy application using a spreader.
    • Application: Spread the granules evenly over the lawn and water in immediately. Apply at the first sign of grub activity.
  3. Richgro Lawn Beetle and Grub Killa
    • Description: Richgro Lawn Beetle and Grub Killa is designed to target a variety of lawn pests, including lawn grubs.
    • Active Ingredient: Bifenthrin.
    • Benefits:
      • Effective against grubs, beetles, and other insects.
      • Fast-acting formula.
      • Suitable for use on most lawn types.
    • Application: Apply granules with a spreader and water in thoroughly. Reapply as needed based on pest activity.
  4. David Grays Lawn Grub Killer
    • Description: A reliable solution for controlling lawn grubs and other pests in home lawns.
    • Active Ingredient: Carbaryl.
    • Benefits:
      • Quick action against grubs.
      • Can be used on a variety of lawns.
      • Affordable and effective.
    • Application: Apply evenly across the lawn and water in well. Follow the product instructions for application rates and frequency.

Application Tips for Lawn Grub Killers

  1. Timing: Apply grub killer products at the first sign of grub activity, typically in late spring to early summer when grubs are actively feeding.
  2. Even Distribution: Use a lawn spreader to ensure even application of granules. Uneven application can lead to patchy control and areas of continued grub damage.
  3. Watering: Water the lawn immediately after applying grub killer granules to help the active ingredient penetrate the soil and reach the grubs.
  4. Safety Precautions: Wear protective gear, such as gloves and a mask, when handling and applying grub killer products. Keep children and pets off the treated lawn until it has dried.
  5. Follow-Up: Monitor your lawn regularly for signs of grub activity and reapply grub killer if necessary. Maintaining a healthy lawn through proper fertilization, mowing, and watering can also help reduce the likelihood of grub infestations.

Preventive Measures

  1. Healthy Lawn Practices: A healthy, well-maintained lawn is more resistant to pests. Regular mowing, proper watering, and fertilization can help create a robust lawn that can better withstand grub damage.
  2. Aeration: Aerating your lawn can improve soil health and reduce the likelihood of grub infestations. Aeration helps promote deep root growth and improves water and nutrient penetration.
  3. Beneficial Nematodes: Consider using beneficial nematodes as a natural biological control method. These microscopic organisms parasitize and kill lawn grubs, providing a natural and environmentally friendly option for grub control.
  4. Regular Monitoring: Inspect your lawn regularly for signs of grub activity, such as brown patches or increased bird activity. Early detection allows for timely treatment and minimizes damage.


Effective management of lawn grubs in Australia requires a combination of using the right products and adopting proper lawn care practices. By selecting a suitable lawn grub killer and following recommended application tips, you can protect your lawn grub killer Austraila damage and maintain a healthy, vibrant lawn. Regular monitoring and preventive measures are essential to keep your lawn grub-free year-round.


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