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How Drought Affects Your Lawn (And Why It Usually Isn't Dead)

Jul 27
4 min read

After several weeks of hot, dry weather, it's completely understandable to look out of the window and worry that your lawn has died.

The good news is that in the vast majority of cases, it hasn't.


At Harewood Lawn Care, we've been helping customers across Newmarket, Bury St Edmunds, West Suffolk and the surrounding villages throughout this exceptionally dry summer. Although many lawns are looking brown, thin and lifeless, most are simply dormant and will recover once cooler, wetter weather returns.



Why Lawns Turn Brown During a Drought


Grass is a remarkably resilient plant.

When rainfall becomes scarce and temperatures remain high, the grass naturally enters a state known as summer dormancy. Rather than continuing to grow and using precious moisture, the plant slows almost all growth to preserve energy and protect its root system.


This is why your lawn may:


  • Turn yellow or straw brown

  • Stop growing almost completely

  • Feel dry and brittle underfoot

  • Develop bare-looking patches

  • Look much worse than neighbouring gardens


Whilst it may look alarming, this is often a natural survival mechanism rather than permanent damage.



Is My Lawn Dead?


In most cases, no.


Established lawns have surprisingly deep root systems and can survive several weeks of drought.


Once consistent rainfall returns, the roots begin absorbing moisture again, allowing fresh green growth to emerge over the following few weeks.


The exception is newly seeded lawns or recently laid turf. These have very shallow roots and rely heavily on regular watering during establishment.



Should You Continue Mowing?


During prolonged dry weather, mowing should be reduced.


Cutting grass places additional stress on an already stressed plant. If the lawn has stopped growing, there is little benefit in continuing to mow every week.


At Harewood Lawn Care, we've postponed mowing for many customers during this dry spell because:


  • The grass simply isn't growing.

  • Longer grass shades the soil and helps retain moisture.

  • Fewer cuts reduce stress on the plant.

  • It avoids unnecessary wear on dry, brittle turf.


Once rainfall returns, normal mowing schedules can resume.


Should You Water Your Lawn?


If there are no water restrictions in place, occasional deep watering is far more effective than light daily sprinkling.


Ideally:


  • Water early in the morning.

  • Apply enough water to soak well into the soil.

  • Water less often but more thoroughly.

  • Avoid watering during the hottest part of the day.


During hosepipe bans, newly seeded lawns may sometimes be exempt under local regulations, but established lawns are generally best left alone unless watered manually with a watering can or where permitted. Always check the current rules with your local water supplier.



Why Lawn Treatments Are Often Delayed


One of the most common questions we receive is:


"Why haven't you applied my lawn treatment yet?"


The simple answer is that many lawn treatments rely on the grass actively growing.


Applying fertiliser during extreme drought offers very little benefit because the grass cannot make full use of the nutrients. Likewise, weed control products are generally most effective when weeds are actively growing and not under severe drought stress.

Rather than applying treatments simply because they're scheduled, we prefer to wait until conditions improve, ensuring you receive the best possible results.


Will the Weeds Get Worse?


Dry conditions often slow weed growth too.


Whilst some drought-tolerant weeds may continue growing, many broadleaf weeds also become dormant during prolonged dry weather.


Once rain returns, both the grass and weeds usually begin growing again, making it a much more effective time for selective weed control.



What Happens After the Rain?


This is when lawns often recover surprisingly quickly.

Within a couple of weeks of regular rainfall you may notice:


  • Fresh green shoots appearing.

  • Faster mowing growth.

  • Improved colour.

  • Thickening grass.

  • Better response to fertiliser.


If your lawn has become thin, patchy or damaged after the drought, autumn is often the ideal time for repairs.



Autumn Is the Best Time for Lawn Renovation


September is traditionally the best month for lawn renovation.


The soil remains warm from summer, rainfall becomes more reliable and new grass seed establishes quickly before winter.


A full lawn renovation may include:



  • Professional scarification

  • Aeration where required

  • Overseeding with premium grass seed

  • Top dressing

  • Pre-seed fertiliser

  • Follow-up inspections


This combination helps restore density, improve colour and produce a much healthier lawn ready for the following spring.



Looking After Lawns Across West Suffolk


Harewood Lawn Care provides professional lawn care throughout Newmarket, Bury St Edmunds, West Suffolk and the surrounding Cambridgeshire villages.

Whether your lawn simply needs time to recover, requires professional treatments once the rain returns, or would benefit from a full autumn renovation, we're always happy to offer honest advice.


If you're unsure whether your lawn is dormant or genuinely damaged, get in touch and we'll be happy to assess it and recommend the most appropriate course of action.



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Contact Harewood Lawn Care today to arrange a lawn assessment and keep your lawn looking its best throughout every season.

 
 
 

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Harewood House, Ousden

Suffolk, CB8 8TW

© 2025 Harewood Lawn Care is a trading name of HWLC Ltd​

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