Spring Lawn Care: How to Aerate Your Lawn

4 min read

how to aerate your lawn

To get the very best from your lawn all year round it’s important to aerate the soil. The most effective type of aeration is generally considered to be hollow tine.

Hollow tine lawn aeration is the process of taking small plugs from the lawn by actively extracting the compacted soil through tubes that are driven into the turf. This allows air, water and fertiliser to penetrate to the root zone.

Find out how to aerate your lawn with TurfOnline today…

First of all – what does “aerate” mean and why is it necessary?

Just for a moment compare what we do to our flower and vegetable beds and what we do to our lawn. There’s one huge difference. In the beds we routinely dig over the soil, adding organic matter and generally keeping it in great shape. With our lawns, well – when did you last remove the grass and give the soil a good workout?

It’s simply not possible to look after the sub-lawn soil in the way it needs. And the most damaging result of this is compaction – where the soil is literally squashed and also contracts in warmer weather, squeezing out vital oxygen and water.

So, the next best thing is aeration. Aerating your lawn to create narrow vertical channels for the air and rain to reach into the soil improves the growing environment for the grass roots and, crucially, increases beneficial microbial activity.

However, this alone isn’t going to reduce the squashed effect in the soil. In fact, use the wrong tool and you make the problem worse – and that is exactly why you will so often be given the wrong advice when you listen to a TV expert.

Use the right tool for the job!

You’ll probably have heard of solid-tine and hollow-tine aeration? Well it’s essential to understand the difference. And this also means understanding why your lawn is not the same as your local sports ground.

lawn aeration
An aerator pulls cores of soil out of the lawn and allows air and moisture to reach the plants’ roots

If you ask any golf course or stadium how they aerate their turf and you’ll probably be told “with a solid-tine machine, a hollow tine program and a soil exchange regime, amongst others”. But no normal gardener can aerate as often and back up those techniques with the intensive year-round care that your local stadium gets.

What tools do I need?

As its name suggests, the hollow-tine machine has hollow prongs that drive into the ground; and these remove the soil as plugs or cores. The solid-tine version simply forces its way into the ground; in your garden lawn this further squashes the already compacted soil.

“But can’t I just aerate my lawn with a fork as they do on the telly?”

No! Not if you want to relieve the compaction and promote healthy roots. Aerating with a garden fork will help improve air and rain percolation, but forking a lawn won’t reduce the compaction. The garden fork is a beautiful thing – but use it for digging, not for aerating! That’s what it was designed for!

How to hollow tine a lawn

So you have two choices – a hollow-tine fork or a hollow-tine machine. The fork is just like a normal fork but with hollow prongs; but it is hard work! So if you’re covering a large area it really pays to hire a machine – it’s much easier, just like walking up and down with a mower. Save the fork for those tricky corners.

Once you’ve aerated, just brush or rake off the cores (leaving them on the lawn can encourage disease) – but remember they’re full of goodness and can be recycled elsewhere in the garden (or even back into the lawn’s soil as explained in David Hedges-Gower’s book, Modern Lawn Care).

So, next time you’re digging over your flower beds….

…spare a thought for the soil that nurtures your lawn. It’s just the same as the stuff you’re digging. But because you can’t give it the same treatment, you have to use aeration to achieve the same benefits. Even just once a year will give you noticeable improvement in the health of your lawn.

For more information about aeration and other really good things you can do for your lawn, get a copy of the book, Modern Lawn Care.

One last thing………

Always follow aeration by an application of a really good lawn feed.

Aerating in spring? Use Vivid Green Spring/Summer Lawn Feed

Autumn Aeration? We recommend Rejuvenator Autumn/Winter Lawn Feed

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