Why NOW is the perfect time to start mowing your lawn

IF you have managed to resist mowing your lawn until now, you are one of the sensible ones.

As tomorrow has been dubbed “First Cut Sunday”.

A smiling woman in a black baseball cap pushing a lawnmower across a green lawn.
There is a science behind mowing your lawn at the right time, and there are tasks you can undertake to prepareCredit: Alamy

Let’s be honest, it’s a date concocted by lawn mower companies to sell their machines, but there is actually some science behind it.

According to Michael Holden, Flymo’s lawn expert, reaching for your mower any earlier could risk causing excessive stress to the lawn, leaving freshly-cut blades exposed and vulnerable to frost damage.

But now the weather has finally warmed up, it’s all systems go.
“Waiting until the grass is actively growing again means your first cut helps strengthen the lawn, rather than putting it under stress while it’s still recovering from winter,” he told Sun Gardening.

“Wait until your grass is about five to eight centimetres high before its first cut of the year.

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“And remember that, during your first mow, you shouldn’t take more than a third off the grass blade in one go.

“So, if your lawn is around six centimetres tall, you should only be taking one or two centimetres off, with your mower at the highest cutting height.”

Veronica Lorraine raking a lawn.
Veronica gets to grips with her lawn rake – removing all the thatch and moss, that will be preventing water and air getting to the earthCredit: Supplied

He added: “Light clippings can actually be a great benefit to your lawn, as they are around 80 per cent water and contain valuable nutrients such as nitrogen, so as they break down, they are putting that much-needed goodness back into the soil.”

But once you have mowed, there’s six vital tasks I’d recommend.

1) Give it a really good, hard rake. This removes all the thatch and moss, that will be preventing water and air getting to the earth.

2) Aerate your soil, either with a fancy shop-bought device, shoes with spikes, or an actual aerator (you will need decent storage space for it) or by simply digging in your garden fork repetitively to create small air pockets.

3) After that, it’s time to overseed. This is basically scattering grass seed on all the bare patches.

4) And if you really want to go for it, apply a top dressing and gently rake it over — but make sure you can still see the grass blades poking through.

5) Then if no rain is forecast, lightly water it.

6) Avoid mowing for one to two weeks, or until the top dressing has fully settled to prevent damaging your mower blades.

Best of luck. A lush green lawn is no mean feat but these tips should help.

Also in Veronica’s Column this week….

Top tips, gardening news, Plant of the Week and a deep root planters competition

For more gardening content, follow me @biros_and_bloom

WIN! ROBERT Dyas are offering TWO Forest Garden deep root planters to give away – each worth over £100.

To be in with a chance of winning one, visit thesun.co.uk/FORESTGARDEN, or write to Sun Forest Green competition, PO Box 3190, Colchester, Essex, CO2 8GP.

Include your name, age, email or phone. UK residents 18+ only. Entries close 11.59pm, April 4, 2026. T&Cs apply.

THIS WEEK’S JOB! PLANT cucumber, leeks, carrots and broccoli seeds, plus sunflowers, cosmos, sweet peppers, zinnias and nasturtium. And watch out for slugs – they’lI be a nightmare this year.

COURT IN BLOOM: HAMPTON Court Palace will burst into bloom this spring with the return of the annual Tulip Festival, transforming the grounds of Henry VIII’s home.

Visitors can experience one of the UK’s largest displays of planted tulips, with over 100,000 bulbs hand-planted across the palace gardens and cobbled courtyards in colourful displays.

Open from April 3 to 26, for more information visit hrp.org.uk/hampton-court-palace.

PLANT OF THE WEEK! DICENTRA ‘Burning Hearts’ is flowering soon. For 20% off, visit thompson-morgan.com/sunoffers. T&Cs apply

CHOOSE PERFECT SPACES: I’M delighted to be judging again on the Robert Dyas ‘Nominate Your Space’ competition.

Part of its Plant & Pause campaign, it runs until May 29 and you can win £2,500 worth of garden equipment to transform green space into an area that benefits the community.

There’s a new category this year – Best Rewilding Space, for spaces that have the potential to be transformed for the benefit of the natural world, with a prize bundle to help that space evolve.

Whether it’s a community garden or space, or a charity looking to create a sensory or biodiverse garden, entrants are invited to send their nominations to nominateyourspace@robertdyas.co.uk or bestrewildingspace@robertdyas.co.uk.

  • DOBBIES Garden Centres and Gabby’s Dollhouse are offering kids free Little Seedlings Clubs on Saturday, April 4. For more info, visit dobbies.com.



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