How to Edge a Garden | Step-by-Step

A neatly edged garden has the power to entirely transform the way your outdoor space looks. Through the creation of a clear dividing line between your lawn, flower beds, pathways and any other landscaping features, edging gives your garden a more organised and professional appearance.

And better yet, it’s actually quite a simple DIY task that you can undertake with a few basic tools and not much prep.

So whether you’re creating a new border from scratch or refreshing existing lawn edges, knowing and understanding the right techniques will get you cleaner lines and longer-lasting results.

Why Garden Edging Matters

Before we dive into exactly how to edge a garden, we should first explore why it’s important.

Garden edging is often treated as a finishing touch, but the impact it can have on the appearance and the practicality of your garden is not to be sneered at. With defined edges, you get structure, improved appearance and the reassurance that ongoing maintenance will be a lot easier.

The benefits of clean garden edging

Even a stellar and beautifully planted garden can look unfinished if the borders aren’t well-defined. A clean edge gives you a framework for the rest of the landscaping, which helps lawns, flower beds and pathways stand out as distinct features.

They’re also useful when it comes to making your garden feel larger and more organised. Sharp edges will naturally draw a visitor’s eye and create a patterned sense of order, which is especially useful in smaller gardens where a cluttered border makes the space seem cramped.

How edging improves the appearance of your lawn and borders

One reason professional gardens often look as polished as they do is that a great deal of attention is given to their borders. With a crisp lawn edge, you can create a contrast between different materials and textures, helping colourful planting schemes, decorative mulch and hard landscaping features stand out.

The style of edging that you choose can also influence the general feel of your garden. Straight lines often complement contemporary designs as sweeping curves create a softer and more natural appearance. Either way, a well-maintained edge can be the key to tying the entire space together.

See our decking surround ideas if you’re curious about general garden improvements.

Preventing grass, weeds and mulch from spreading

There’s more to garden edging than aesthetics. It can also provide a practical barrier that helps contain materials within their designated areas.

Without edging, grass can gradually spread into flower beds, while mulch and soil may spill onto your lawns and pathways. Crafty weeds can also establish themselves better where borders are blurred. A defined edge is how you reduce the likelihood of unwanted growth and movement, which makes routine maintenance quicker and more manageable throughout the year.

For many gardeners, this reduction in ongoing upkeep is just as valuable as the visual improvement that edging provides.

Want more tips on how to look after your garden? See our guide on how to make it magical with layered landscaping.

Tools You’ll Need to Edge a Garden

Before you begin cutting into your lawn, gather together the right tools for the job. Yes, professional landscapers will use specialist equipment, but most homeowners can get excellent results using a handful of common gardening tools.

The exact tools you’ll need will depend on the size of your garden and the type of edge you’re creating, but just having the right equipment will make the process quicker, easier and more precise.

Half-moon edger vs spade

A half-moon edger is often considered the best tool for creating clean and straight lawn edges. With a unique curved blade, it is designed to cut through turf, allowing you to create crisp lines with little effort.

However, if you don’t have access to a half-moon edger, a sharp garden spade can do the job too. Many gardeners will use a flat-edged spade to cut borders and remove excess turf, particularly when they’re creating curved edges around flower beds.

For larger projects or just for regular maintenance, investing in a dedicated lawn edging tool will likely produce more consistent results.

Lawn edging shears and grass trimmers

Once you’ve cut the main edge, utilise lawn edging shears to tidy up any overhanging grass and create a sharper finish. They’re especially useful for detailed work around curved borders and awkward corners.

Alternatively, a grass trimmer that’s fitted with an edging function can speed up maintenance throughout the growing season. While it won’t create a new edge quite as effectively as a spade or a half-moon edger, it does a fine job in keeping your existing borders neat between any major tidy-ups.

String lines and garden hoses for marking edges

One of the biggest mistakes gardeners make is cutting before planning the shape of the border. Taking a few minutes to mark out the edge beforehand can make a huge difference to the finished result.

For straight borders, you’re best using a string stretched between stakes to create a clear guide. If you’re creating curved edges, a garden hose laid on the ground allows you to experiment with different shapes before making any permanent cuts.

This simple preparation step can help you avoid uneven lines and create a more professional-looking border.

Safety equipment and preparation tips

Edging is a relatively straightforward gardening task, but it’s still important to work safely. If you have sturdy gardening gloves, use them to protect your hands, and make sure all your cutting tools are clean and sharp before you use them.

It’s also worth giving the lawn a mow beforehand. With shorter grass, you’ll find it easier to see the existing edge and create a more accurate cut. If the ground is particularly dry, lightly watering the area a few hours before starting can soften the soil and make the digging considerably easier.

How to Edge a Garden in 7 Simple Steps

Once you’ve planned your border and your garden layout is finalised, your tools at the ready, you can start. Follow these simple steps to create neat, professional-looking lawn edges.

1: Mark out your border line

Use a string for straight edges or a garden hose for curves. Take time to adjust the shape until you’re happy with the layout before making any cuts.

2: Mow the lawn first

Cut the grass before edging to improve visibility and make it easier to create a clean and accurate border.

3: Cut a vertical edge into the turf

Using a half-moon edger or sharp spade, cut straight down along your marked line to establish the edge between the lawn and border.

4: Create a V-shaped trench

Remove a small wedge of soil from the border side of the cut. This will create a neat trench that prevents grass from spreading into the planting areas.

5: Remove excess soil and grass

Clear away loose turf, weeds and soil as you work. This helps to reveal the finished edge while keeping the border tidy.

6: Refine and straighten the edge

Inspect the border and make any small adjustments with your spade or edging shears to create a sharper, more consistent finish.

7: Apply mulch for a professional finish

Finish by adding mulch to the border. This will help keep weeds at bay while retaining moisture and emphasising the newly created edge.

Need more advice? Contact our friendly team.

Different Garden Edging Styles to Consider

Creating a clean edge with a spade is one option, but there are plenty of other edging styles that are available, depending on the look you’re going for. Getting the choice right will depend on your garden design, your budget and how much maintenance you want to undertake.

Natural spade-cut edging

A simple spade-cut edge creates a clean, professional-looking border without the need for additional materials. It’s affordable, effective, and it suits most garden types.

Brick edging

The benefit of brick edging lies in its durability and its low maintenance. It’s a boundary that works particularly well in traditional gardens and can be laid flush with the lawn or raised for better definition.

Stone edging

Natural stone will add character and create a long-lasting border. As such, it’s quite a popular choice for cottage gardens and rustic landscapes.

Metal edging

Steel and aluminium edging give you crisp, modern lines and are ideal for both straight and curved borders. Like bricks, they’re durable and, like stones, they blend neatly into the landscape.

Timber and sleeper edging

Timber edging offers a natural and rustic appearance and is useful when it comes to creating raised borders. It’s versatile, but it may require occasional treatment if you want to prevent weathering.

Plastic and flexible edging

Plastic edging is inexpensive, easy to install and well-suited to curved flower beds. It’s a practical option if your garden project is a quick one.

Living plant borders

Low-growing plants like lavender or box hedging can be used to define borders naturally, adding vibrant colours and textures, but actually softening the overall look of the garden. Eco-friendly gardening options include plants that flower throughout the year and those that attract pollinators.

See our guide to landscaping materials for more information.

How to Maintain Garden Edges Throughout the Year

Creating a new lawn edge is just half the job.

Regular maintenance is what keeps the borders looking sharp and prevents grass and weeds from encroaching into planting areas.

Spring edge restoration

Spring is the best time to redefine your garden edges after winter. Use this opportunity to repair any damaged sections, remove weeds and refresh the existing trenches to prepare your garden for the growing season.

Summer trimming and touch-ups

Grass grows most vigorously during the summer, so the odd trimming is often needed in order to maintain the crispness of borders. A pair of edging shears or a grass trimmer can quickly tidy up overgrown areas.

Autumn clean-up

Lawn edges can be obscured by the falling leaves and plant debris that we get in autumn. Weed growth can also be encouraged. To tackle this, clear your borders and top up mulch to keep the edges visible and protected over the coming winter.

Winter preparation

Although growth naturally slows during the winter, it’s worth checking your borders for any signs of damage that was caused by frost or heavy rainfall. Addressing minor issues early can make spring maintenance much easier.

If you’re wondering about how to tend to your steel raised beds throughout the year, you can see our guide.

Garden Edging FAQs

What is the easiest way to edge a garden?

The easiest method is to use a half-moon edger or sharp spade to create a simple trench between the lawn and the border. This will give you a clean and natural edge without having to look for additional materials.

How often should garden edges be cut?

Most garden edges will only need redefining once or twice a year – in the spring and autumn. Nonetheless, you may need to trim overhanging grass more regularly during the growing season.

Can you edge a garden without a specialised tool?

Yes. There’s no doubt that edging tools make the job easier, but a sharp garden spade will often do the trick.

Should garden edging be higher or lower than the lawn?

If you’re going for a more natural finish, the border should be kept slightly lower than the lawn. This will help create a visible edge and reduce the risk of grass spreading into planting areas.

What is the cheapest garden edging option?

A spade-cut edge is typically the most cost-effective solution as it doesn’t require any additional materials. It’s a popular choice for gardeners seeking a tidy appearance on a budget.

Speak to us about your edging requirements today

At Steel Landscaping Co., we are the experts in supplying and installing the highest quality steel edging, which is available for self-installation. Alternatively, our team members can come and install your edging for you.