Why Your Lawn Turns Yellow During Hot Weather (And Why It Will Usually Recover)

There are few things more disappointing than looking out at your garden in the middle of summer and seeing your once lush, green lawn turn yellow or brown. If a hosepipe ban has been introduced, it can feel like there's nothing you can do to stop it.

The good news is that in most cases, a yellow lawn isn't a dead lawn.

Grass naturally enters a period of dormancy during prolonged hot, dry weather to protect itself until conditions improve. While your lawn may not look its best, it's usually doing exactly what nature intended and will often recover once the rain returns.

In this guide, we'll explain why lawns turn yellow in summer, how a hosepipe ban affects your grass, what you should (and shouldn't) do, and how to help your lawn recover.

Why Does Grass Turn Yellow in Summer?

Like any plant, grass needs water to grow. During extended periods of heat and little rainfall, the soil gradually dries out, making it harder for grass roots to access the moisture they need.

Rather than continuing to grow and risking permanent damage, grass enters a natural survival mechanism called dormancy.

During dormancy, your lawn will:

• Stop growing

• Lose its vibrant green colour

• Turn yellow or brown

• Conserve energy and moisture

• Focus on keeping its root system alive

Although the lawn may look dry on the surface, the roots underneath are usually still healthy and waiting for better growing conditions.

Is My Lawn Dead?

This is one of the most common questions we receive during summer.

Thankfully, the answer is usually no.

Dormant grass can look dry, brittle and lifeless, but appearances can be deceiving. In most cases, only the leaf blades have dried out, while the crown and roots remain alive beneath the soil. Once rainfall returns and soil moisture increases, the lawn will normally begin producingcfresh green growth again.

What About a Hosepipe Ban?

A hosepipe ban is introduced during periods of prolonged dry weather to help conserve water supplies. Depending on your local water provider, restrictions usually prevent homeowners from using hosepipes or sprinklers to water established lawns.

While it can be frustrating to watch your lawn lose its colour, it's important to remember that these restrictions are temporary, and so is your lawn's dormancy. Established lawns are naturally adapted to cope with periods of drought.

What Should You Do During a Hosepipe Ban?

Raise your mowing height to shade the soil and reduce moisture loss. Avoid feeding a stressed lawn until rainfall returns and active growth resumes. Reduce foot traffic where possible and leave fine grass clippings on the lawn to help retain moisture.

Should You Water Your Lawn?

If there isn't a hosepipe ban in place, watering deeply once or twice a week is far more beneficial than watering lightly every day. Deep watering encourages stronger, deeper roots. If restrictions are in place, don't panic if your lawn begins to brown - allowing established grass to go dormant is often the healthiest option.

Helping Your Lawn Recover

Allow the lawn to begin growing naturally, resume mowing gradually, feed once active growth has returned, and overseed any areas that haven't recovered. Most established lawns regain their colour with a little patience.

When Should You Be Concerned?

Inspect your lawn if it remains brown several weeks after rainfall returns, large patches fail to recover, the grass pulls away easily with little root attached, or you notice signs of pests or disease. Areas that don't recover can usually be overseeded once cooler, wetter conditions return.

Keep Your Lawn Strong with Our Seasonal Lawn Packs

While no lawn care product can prevent grass from going dormant during prolonged drought, maintaining a healthy lawn throughout the year gives it the best possible chance of coping with summer stress and recovering quickly afterwards.

Our Seasonal Lawn Packs contain the right combination of premium fertiliser and biostimulant to support your lawn through the changing seasons. By feeding your lawn at the right time of year, you'll encourage stronger roots, healthier grass and improved resilience when hot, dry weather arrives.

Whether you're preparing your lawn for summer or helping it recover once the rain returns, our Seasonal Lawn Packs provide a simple, year-round lawn care programme that takes the guesswork out of feeding.

Learn more: https://thelawnpack.co.uk/products/the-seasonal-lawn-pack