Stop spending money on garden rollers. The RHS just revealed a free, oddly effective trick for fixing patchy spring lawns: just waddle like a penguin.

The unusual tip comes from Alex Hankey, garden manager at RHS Garden Wisley in Surrey, who explains that this simple shuffling motion compacts soil so newly sown grass seed actually makes contact with the ground – something most gardeners accidentally skip.

The science behind the waddle

“When the soil is fluffy, you need to press it down,” Hankey told The Telegraph. “You can either use a roller or shuffle along to get that seed soil compact. Penguin shuffling compresses the top surface, though you do leave footprints.”

The reasoning is straightforward: soil naturally contains air pockets created by worms, insects and roots. If grass seed sits on top of fluffy soil, it can’t access the moisture and nutrients needed to germinate. Firming it down solves that problem.

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David Hedges-Gower, chairman of the Lawn Association, confirms the method is especially crucial when starting a new lawn from scratch. “You have to re-consolidate that fluffy soil, and you can do that with a penguin shuffle,” he said to The Telegraph.

Why March is your best window

Winter has left most UK lawns looking pretty rough, with the rain and frost taking their toll. But March is one of the best times to repair a lawn, patchy grass can recover quickly if you act now.

How to do it (step by step):

Lawn specialist Chris McIlroy outlines the process:

Check soil temperature: Wait until soil temperatures are consistently around 8–10°C and avoid sowing before heavy rain.Prepare the ground: Lightly rake the area to break up compacted patches.Sow the seed: Spread grass seed at around 30–35g per square metre for new lawns, or 15–20g per square metre for patching thin spots.Do the penguin shuffle: Penguins take short, flat-footed steps to waddle slowly across ice. Mimic this motion: take slow, deliberate steps across the soil in rows, pressing the seed gently into place with flat feet rather than heel-to-toe walking. The goal is firm (but not crushed) soil contact.Avoid foot traffic: Keep off the area while grass is establishing.

Settle seedlings properly and they develop deeper roots – meaning a healthier, tougher lawn by summer. That’s a great payoff for a method that costs nothing.

A roller costs £50–£100. A waddle costs nothing and delivers the same result. For small repairs or first-timers, it’s worth trying this trick first.

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