Fix Yellowing Lawns

Why Is My Lawn Yellowing? Common Causes and Simple Fixes

Noticing yellow patches in your lawn can be frustrating—but don’t worry, it’s a common issue with a handful of easy-to-identify causes. Understanding what’s behind the yellowing is the first step to bringing your lawn back to life.

1. Nutrient Deficiency

The most common cause of yellowing is a nitrogen deficiency. Grass needs nitrogen to stay lush and green, and when levels drop, discolouration quickly shows. Applying a balanced lawn fertiliser like Surge can often restore colour within days.

2. Poor Drainage or Compacted Soil

If your soil is compacted or drains poorly, roots can’t access the air and nutrients they need. Aerating your lawn in problem areas will improve soil structure and help promote deeper, healthier root growth.

3. Watering Problems

Both overwatering and underwatering can cause yellow patches. Too much water leads to root rot, while too little stresses the grass. Water deeply but infrequently—ideally early in the morning—for the best results.

4. Lawn Pests or Disease

Yellowing may also be caused by fungal disease or insect damage. If you notice patchy areas or spots spreading, a targeted treatment may be required.

Bringing Your Lawn Back to Green

With the right diagnosis and a bit of care, your yellowing lawn can bounce back quickly. Combine Vital for stronger roots with Surge for rapid green-up, and your lawn will recover faster and stay healthier long-term.