How to build a raised bed in your garden

Raised beds are a great way to remodel your garden.

Raised beds are a great way to remodel your garden. - Credit: Alamy/PA

There has never been a better time to grow your own vegetables, but not all of us have a plot to do it. So, if an allotment is a no-go and you don’t want to dig up your lawn, a raised bed could be the answer.

You can make them as big or small as you require, buy or build your own and install it wherever you like - then all you need to do is get planting.

Marcus Eyles, horticultural director of Dobbies Garden Centres.

Marcus Eyles, horticultural director of Dobbies Garden Centres. - Credit: Dobbies/PA

First things first, you need to choose a suitable location for your raised bed, says Marcus Eyles, horticultural director of Dobbies Garden Centres. “This will depend on the plants you want to grow. If it’s for shade-loving plants, then it will need to be in the shadier parts of your garden.

“If it’s for vegetables, it must be in an open position that is not under trees and ideally in full sun or only partial shade. This location would also apply to most flower beds, as they require plenty of sunshine. To stop the raised bed from becoming waterlogged, the ground must be well drained.”

Raised beds are ideal if you don't want to dig up your lawn. 

Raised beds are ideal if you don't want to dig up your lawn. - Credit: Alamy/PA

What you’ll need


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To build your raised bed, you’ll need sleepers (if you’re going to build your own), or a wooden or metal kit if you prefer a ready-made option. You’ll need some tools too – a hammer, spade and screws, nails or bolts. Then you’ll need membrane (to keep the weeds out), top soil and peat-free compost to fill.

Everything you need for building your raised bed will be available online or in your local garden centre. 

Everything you need for building your raised bed will be available online or in your local garden centre. - Credit: Alamy/PA

“You can buy everything you need at your local garden centre,” says Marcus. “You’ll also be able to shop online, but when it comes to materials, I always recommend buying in person, so you can see and feel the quality.”

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Whether you build your own or buy a kit is all down to personal preference. A bespoke one can be tailored to fit your space, notes Marcus, and advises you consider the style of your garden when deciding.

“Sleepers are chunky and robust for larger beds. Ready-made kits are lightweight, easier to transport and great for beginners.” It’s also worth noting beds built from pressure-treated and heavy-duty products like sleepers, are likely to last the longest.

Whether you build your own raised bed from scratch or use a kit is down to personal preference.

Whether you build your own raised bed from scratch or use a kit is down to personal preference. - Credit: iStock/PA

If you opt for a kit, setting up your raised bed can be done and dusted in a few hours. Building your own with sleepers is likely to take about a day, depending on the size of your space.

Step-by-step guide to building a raised bed

1. Measure out the space required.

2. Level the area, removing any debris or grass.

3. Ensure the soil you are building on is free of perennial weeds.

4. Put the boards, panels or sleepers into position and attach them together with the appropriate fixings.

5. Ensure the corners are right angles.

6. Lay the membrane to stop weeds coming through, and then fill it with top soil and peat-free compost mixed together. You’ll need two thirds top soil to one third peat-free compost, says Marcus.

Once your raised bed has been built, the next step is to lay the membrane to stop weeds coming through. 

Once your raised bed has been built, the next step is to lay the membrane to stop weeds coming through. - Credit: Alamy/PA

What can you grow in a raised bed?

Marcus suggests growing ericaceous plants (from the heather family), as you can fill the bed with the acid soil they love; alpines and/or herbs, as they like free draining soils; or vegetables.

Salad leaves, spinach, kale, beans, peas, potatoes, carrots, courgettes, radishes and onions are all pretty straightforward for beginners to grow.

Homegrown radishes are a raised bed classic.

Homegrown radishes are a raised bed classic. - Credit: Alamy/PA

Spinach, kale, peas and potatoes are relatively simple things for beginners to grow.

Spinach, kale, peas and potatoes are relatively simple things for beginners to grow. - Credit: iStock/PA

Why not get the kids involved, too? “All of these are easy to grow and great for children to start from seed, so young gardeners can watch and learn how they grow and produce their crops during the season, from start to finish,” Marcus says.

For more expert advice and seasonal trend insights, listen to the Dobbies gardening podcast, available on iTunes and Spotify.

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