2025-03-19

How to Care for Your Lawn in Hot Weather

Keeping your lawn lush and green during hot weather can feel like a battle against the elements.

But with the right approach, you can maintain a healthy lawn even when the sun is relentless.

Here’s how to care for your lawn in hot weather, step by step.

1. Water Deeply but Less Frequently

When it’s hot, your lawn needs water, but overwatering can do more harm than good.

Shallow watering encourages shallow roots, making your grass less resilient.

Instead, water deeply but less often.

This encourages roots to grow deeper, where they can access moisture even during dry spells.

Here’s how to do it:

  • Water early in the morning to reduce evaporation.
  • Aim for about 2.5 cm of water per week, including rainfall.
  • Use a rain gauge to measure how much water your lawn is getting.

Deep watering helps your lawn survive the heat without wasting water.

2. Mow High to Protect the Soil

Mowing your lawn too short in hot weather is a common mistake.

Short grass exposes the soil to the sun, which can dry it out and stress the roots.

Instead, set your mower to a higher setting.

Taller grass shades the soil, keeping it cooler and reducing water loss.

Here’s what to keep in mind:

  • Never cut more than one-third of the grass blade at a time.
  • Keep your mower blades sharp to avoid tearing the grass.
  • Aim for a height of 7-8 cm during hot weather.

Mowing high is a simple way to care for your lawn in hot weather.

3. Fertilise Wisely

Fertilising your lawn in hot weather can be tricky.

Too much fertiliser can burn the grass, while too little won’t provide the nutrients it needs.

Use a slow-release fertiliser to feed your lawn gradually.

This reduces the risk of burning and ensures your grass gets the nutrients it needs over time.

Here’s how to fertilise effectively:

  • Apply fertiliser in the early morning or late evening to avoid heat stress.
  • Water the lawn after applying fertiliser to help it absorb.
  • Choose a fertiliser with a balanced N-P-K ratio (nitrogen, phosphorus, potassium).

Fertilising wisely is key to caring for your lawn in hot weather.

4. Aerate the Soil

Compacted soil can prevent water, air, and nutrients from reaching the roots.

Aerating your lawn helps relieve compaction and improves drainage.

This is especially important during hot weather when water is scarce.

Here’s how to aerate your lawn:

  • Use a garden fork or aeration tool to create small holes in the soil.
  • Focus on high-traffic areas where compaction is most likely.
  • Aerate in the early morning or late evening to avoid heat stress.

Aerating your lawn ensures it stays healthy even in the heat.

5. Control Weeds

Weeds compete with your grass for water and nutrients.

In hot weather, this competition can stress your lawn even more.

Regular weeding helps your grass thrive.

Here’s how to keep weeds under control:

  • Pull weeds by hand or use a weeding tool.
  • Apply a pre-emergent herbicide in early spring to prevent weeds from growing.
  • Spot-treat weeds with a post-emergent herbicide if necessary.

Controlling weeds is essential for caring for your lawn in hot weather.

6. Overseed with Drought-Tolerant Grass

If your lawn struggles in the heat, consider overseeding with drought-tolerant grass varieties.

These grasses are better suited to hot, dry conditions and require less water.

Here’s how to overseed your lawn:

  • Choose a drought-tolerant grass variety like Bermuda or Zoysia.
  • Rake the lawn to remove debris and loosen the soil.
  • Spread the seeds evenly and water lightly to help them germinate.

Overseeding can transform your lawn and make it more resilient to heat.

7. Mulch Your Grass Clippings

Leaving grass clippings on your lawn after mowing can act as a natural mulch.

This helps retain moisture and adds nutrients back into the soil.

Here’s how to mulch effectively:

  • Use a mulching mower to chop clippings into small pieces.
  • Spread the clippings evenly to avoid clumping.
  • Water the lawn after mulching to help the clippings break down.

Mulching is an easy way to care for your lawn in hot weather.

8. Provide Shade Where Possible

If parts of your lawn are exposed to direct sunlight all day, consider providing some shade.

This can help reduce water loss and prevent heat stress.

Here’s how to create shade for your lawn:

  • Plant trees or shrubs to provide natural shade.
  • Use shade cloth or umbrellas to protect smaller areas.
  • Move potted plants to create temporary shade.

Providing shade can make a big difference in caring for your lawn in hot weather.

9. Monitor for Pests and Diseases

Hot weather can make your lawn more susceptible to pests and diseases.

Regular monitoring helps you catch problems early and take action.

Here’s what to look for:

  • Brown patches or thinning grass.
  • Signs of insect activity, like chewed blades or holes in the soil.
  • Fungal growth or unusual discolouration.

If you notice any issues, treat them promptly to prevent further damage.

10. Adjust Your Lawn Care Routine

Hot weather requires a different approach to lawn care.

Adjust your routine to meet the needs of your lawn during this time.

Here’s how to adapt:

  • Reduce foot traffic to avoid compacting the soil.
  • Avoid heavy equipment that can damage the grass.
  • Be patient and give your lawn time to recover from heat stress.

Adjusting your routine is crucial for caring for your lawn in hot weather.

Conclusion

Caring for your lawn in hot weather doesn’t have to be overwhelming.

With these tips, you can keep your lawn healthy and vibrant, even when the temperatures rise.

Remember, the key is to water deeply, mow high, and adjust your routine to suit the conditions.

By following these steps, you’ll have a lawn that thrives all summer long.

How to care for your lawn in hot weather is all about understanding its needs and responding accordingly.

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