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Consumer helpline 01480 443789

10am-4pm, Mon-Fri

Great gardens start with great compost...

Westland offers a wide range of high quality composts to support healthy plant growth at every stage. Whether you’re sowing seeds, potting on, or planting up containers, there’s a Westland compost to suit your needs. New Horizon is a leading choice for gardeners looking for peat free compost, made using sustainable ingredients to nourish plants naturally. For those growing acid-loving plants like rhododendrons and azaleas, Westland also offers specialist ericaceous compost as well as rose, tree & shrub, and more. Jack’s Magic All Purpose Compost is a trusted favourite, and if you’re looking for a versatile option, Westland’s peat free Multi Purpose Compost with John Innes is ideal for stronger roots and healthier growth. Westland Boost All Purpose Compost has unique moisture lock technology and is perfect for all containers and baskets, giving them the boost they need for stunning, floral displays. Whether you need seed compost, multi purpose compost, or something for specific plant types, Westland has the perfect solution to keep your garden thriving.

Compost Calculator

Use our compost calculator to quickly work out how much compost you need to fill your chosen area. Whether you're topping up raised beds, filling pots, or improving borders, simply enter the length, width, and depth of the space you want to fill, and the calculator will do the rest. It’s a handy tool to ensure you buy the right amount of compost - reducing waste, saving money, and helping you get the best results from your garden.

What shape is the area you want to fill?

a) Length (cm)
- +
b) Width (cm)
- +
c) Depth (cm)
- +

Barks Calculator

Use our bark and mulch calculator to find out exactly how much you need to cover your chosen area. Whether you're mulching flower beds, covering borders, or creating pathways, simply enter the length and width and the calculator will work out the quantity required. It's a quick and easy way to ensure even coverage, help suppress weeds, retain moisture, and give your garden a neat, finished look without over or under-buying.

What shape is the area you want to fill?

a) Length (cm)
- +
b) Width (cm)
- +
We use a depth of 5 cm.
<h2><span style="font-size: 12pt; color: #ffffff;"><strong>Understanding Ericaceous Compost</strong></span></h2>

Understanding Ericaceous Compost

Understanding ericaceous compost is key to supporting acid-loving plants such as rhododendrons, azaleas, and camellias. Meeting their specific needs ensures healthy growth and vibrant blooms.

<h2><span style="font-size: 12pt; color: #ffffff;"><strong>Tips for Using Peat Free Compost</strong></span></h2>

Tips for Using Peat Free Compost

Peat-free compost looks, feels, and smells different from peat, and your plants may respond differently to it. You can adapt your growing methods to better suit peat-free composts.

<h2><span style="font-size: 12pt; color: #ffffff;"><strong>The Best Compost for Sowing Seeds</strong></span></h2>

The Best Compost for Sowing Seeds

Starting plants from seed is rewarding but needs the right medium. Unlike general purpose compost, sowing blends are fine-textured and low in nutrients to support healthy germination and root growth.

<h2><span style="font-size: 12pt; color: #ffffff;"><strong>Composts for Pots and Containers</strong></span></h2>

Composts for Pots and Containers

When it comes to growing in pots and containers, choosing the right compost is key to keeping your plants healthy, thriving, and producing beautiful blooms or bountiful harvests all season long.

<h2><span style="font-size: 12pt; color: #ffffff;"><strong>How to use Jack's Magic</strong></span></h2>

How to use Jack's Magic

Jack’s Magic All Purpose Compost is perfect for seed sowing, potting, planting and containers. Blended with the finest natural ingredients to create a pure and balanced growing medium.

<h2><span style="font-size: 12pt; color: #ffffff;"><strong>How to Create Stunning Bulb Displays</strong></span></h2>

How to Create Stunning Bulb Displays

Planting spring and summer-flowering bulbs will ensure that your garden is a riot of colour next season. All you need to do is get bulbs into the ground ahead of winter, then sit back and wait.

Our Composts

Jack’s Magic All Purpose Compost

Jack’s Magic All Purpose Compost

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Westland Peat Free Multi-Purpose Compost with John Innes

Westland Peat Free Multi-Purpose Compost with John Innes

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Westland John Innes Peat Free No.1 Young Plant Compost

Westland John Innes Peat Free No.1 Young Plant Compost

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Westland Boost All Purpose Compost

Westland Boost All Purpose Compost

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Westland Seed & Cutting Compost

Westland Seed & Cutting Compost

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Westland offers a wide range of high quality compost blends to support healthy plant growth at every stage of your gardening journey. Whether you’re sowing seeds, potting on young plants, planting up containers, or refreshing garden beds, there’s a Westland product to suit every need and gardening style.

For gardeners seeking peat free compost, New Horizon is a top choice. Made with sustainable ingredients, it naturally supports strong root development and healthy plants.

If you’re growing acid-loving plants such as rhododendrons, azaleas, or camellias, Westland’s ericaceous compost provides the right balance of nutrients and pH levels. The full specialist compost range also includes mixes for roses, trees and shrubs, aquatic plants, and more.

For an all-round option,  Jack’s Magic All Purpose Compost is a trusted and traditional favourite. Westland’s Multi Purpose Compost with John Innes is ideal for stronger root systems and vigorous growth, combining peat free benefits with added John Innes for nutrient retention. Meanwhile, Westland Boost All Purpose features moisture lock technology and feeds plants for up to six weeks – perfect for containers and hanging baskets bursting with colour.

Whether you’re looking to sow seeds or need a more all round multi-purpose, Westland has the perfect solution to keep your garden healthy and thriving.