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Is your lawn looking lacklustre with unsightly brown patches? Unsure what’s causing the issue or how to get it back to its vibrant best? In this blog, we’ll delve into the common causes of brown patches and provide expert advice on how to restore your lawn to its full glory.

Could Lawn Grubs Be the Culprit?

One of the most common causes of brown patches in lawns is lawn grubs. These small pests feed on the roots of grass, leading to rapid damage. If you suspect that grubs may be responsible for the brown spots, perform a simple grub test:

  1. Mix a few drops of dishwashing liquid with water in a bucket.
  2. Pour this solution over the affected area.
  3. Wait for around 10 minutes to see if any grubs rise to the surface.

For the best results, carry out this test at dawn or dusk when grubs are most likely to be active. If you spot grubs or caterpillars, it’s time to act quickly. Use a quick knockdown insecticide, such as Battle Insecticide, to eliminate them. To prevent future infestations, apply a preventative treatment like Grub Guard Ultimate or Acelepryn, which offers protection for up to 6 months.

Tackling Lawn Diseases and Fungal Growth

If your lawn’s brown patches seem to be caused by a disease, the good news is that removing the conditions that encourage these problems can often make the issue resolve on its own. Some signs that your lawn may be suffering from a fungal disease include discolouration, yellow or brown patches, and visible mushrooms or fungal growth.

Common causes of lawn diseases include:

  • Soil compaction
  • Excessive shade
  • Overwatering or over-fertilising
  • Poor mowing practices
  • Unfavourable weather conditions, especially high humidity

To combat fungal diseases:

  1. Aerate your lawn to reduce soil compaction and improve drainage.
  2. Prune back surrounding trees and shrubs to increase sunlight exposure.
  3. Water the lawn early in the morning to minimise evaporation and avoid leaving the grass damp overnight.
  4. Mow your lawn regularly and avoid cutting more than one-third of the grass height in a single mow.

If the problem persists despite these efforts, it may be necessary to apply a fungicide to treat the issue.

Combatting Urine Burn from Pets

If your lawn has brown patches that seem to appear in specific spots, particularly where your pet usually urinates, urine burn could be the cause. Dog urine contains high levels of nitrogen, which can scorch grass and cause it to die off.

Here are a few tell-tale signs of urine burn:

  • Brown patches are isolated to specific spots and don't spread across the lawn.
  • The patches may have a greener border around them.
  • The patches appear in areas where pets frequently urinate.

To prevent urine burn, train your dog to use a designated toilet area, or flush the affected patches with water immediately after your pet has gone.

Brown Patches Caused by Scalping Your Lawn

If you notice brown patches on your lawn after mowing, you may have unintentionally scalped it. Scalping occurs when the grass is mown too short, removing too much of the leaf and leaving patches of brown grass behind.

Scalping can happen if the lawn has uneven areas or if you leave it too long between mowings. To avoid scalping, always mow at the correct height for your grass type. If you notice that your lawn has uneven levels, consider top dressing to level out the surface and restore its health.

Tackling Dry Patches in Your Lawn

Dry patches in your lawn can be frustrating, leaving unsightly brown spots that disrupt your lawn’s beauty. These spots often occur when the soil becomes compacted or if the grass struggles to absorb water. To address this issue, aerating your lawn is one of the most effective solutions. Using a garden fork or aerator, you can loosen the soil, improving the flow of air, water, and nutrients to the grass roots.

After aerating, it’s crucial to use a wetting agent like Lawn Soaker. This product helps the soil absorb water more efficiently, ensuring your grass gets the hydration it needs. Once the wetting agent is applied, water the lawn generously each morning until you see signs of recovery.

Once the lawn shows improvement, boost its growth by applying a high-quality fertiliser like Lawn Solutions Premium Fertiliser. This will help promote vibrant, healthy grass and accelerate the recovery of dry spots.

Conclusion: Bringing Your Lawn Back to Life

Dealing with brown patches on your lawn can be frustrating, but with the right approach, you can restore it to its healthy, lush state. From identifying the cause—whether it’s grubs, disease, urine burn, or scalping—to implementing the right remedies, there’s no reason your lawn can’t thrive again. With a little care and attention, your lawn can be green and vibrant once more, making it the envy of your neighbourhood.

Resources:

Lawn Solutions Australia
Why Does My Lawn Have Brown Patches

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