Metal raised garden bed with mesh cover growing tomatoes and lettuce in a garden

How to Choose the Right Raised Garden Bed for Your Space

May 14, 2026

Whether you've got a sprawling back garden or a compact patio, a raised garden bed is one of the best investments you can make for growing your own food. They're easier to manage, better for your back, and give you full control over your soil quality. But with so many options out there, how do you choose the right one?

Here's everything you need to know.

1. Think About Your Space First

Before anything else, measure your available space. Raised beds come in all shapes and sizes — from compact window-box style planters to large freestanding beds that can accommodate a full vegetable patch.

A good rule of thumb: make sure you can reach the centre of the bed from either side without stepping in. For most people, that means a maximum width of around 120cm.

2. Choose the Right Material

The most common materials are wood, metal, and plastic — each with their own pros and cons:

Wood — Natural, attractive, and great for insulation. Solid pine and cedar are popular choices. Look for treated or naturally rot-resistant options for longevity.
Metal — Durable, modern-looking, and long-lasting. Galvanised steel beds are particularly popular and can last decades.
Plastic — Lightweight and affordable, though less aesthetically pleasing for some gardeners.

For most home growers, a solid wood raised bed strikes the best balance of looks, performance, and price.

3. Consider the Depth

Depth matters more than most people realise. Different crops need different root depths:

Shallow (15-20cm) — Herbs, lettuce, and salad leaves
Medium (30cm) — Carrots, onions, and most vegetables
Deep (40cm+) — Potatoes, tomatoes, and root vegetables

If you're planning to grow a variety of crops, aim for at least 30cm depth to give yourself flexibility.

4. Think About Drainage

Good drainage is essential — waterlogged soil will kill your plants. Most raised beds have open bottoms which allow natural drainage, but if you're placing yours on a hard surface like a patio, make sure there's adequate drainage built in or add a layer of gravel at the base.

5. Do You Want Mobility?

If you're working with a smaller space or want to chase the sun around your garden, consider a raised bed on wheels. Some models come with lockable castors, making it easy to move your plants to the best spot throughout the day — a game changer for maximising sunlight.

6. Match It to Your Style

Raised beds don't have to be purely functional — they can look great too. Dark wood finishes and clean metal designs complement modern garden aesthetics beautifully. Think about how it'll look alongside your existing garden furniture and outdoor space.

Ready to Start Growing?

Browse our full range of raised garden beds and planters at Adams Allsorts — from compact patio planters to large freestanding beds, all at great prices with free UK delivery.