Compost and Soil Improvers

Grow a healthy, fertile garden with Johnsons’ compost and soil improvers. Choosing the right growing medium can make all the difference to your plants, aiding root development and providing the ideal balance of nutrients and moisture. Whatever you’re growing, from fruits and veggies to flowering plants, you’ll find the perfect composts and soil improvers below.

Choose from a variety of multipurpose and peat-free compost for soil improvement – perfect for everything from garden beds and borders to house plants. We also stock a great range of soil improvers to enhance the fertility and structure of your existing soil.

33 products

Rootgrow Tomato Starter

6 Biscuit Pack Code: 52749

£5.45

SylvaGrow Ericaceous Peat Free Compost 75 x 40ltr

75 x 40ltr bag Code: 57540

£1,036.00

Rootgrow for bare rooted plants 360g

360g pouch plus gel Code: 52742

£13.95

Peat Free Multi-Purpose Compost 40ltr x30 and Orgro 15ltr x6

30 x 40ltr Bags, 6 x 15ltr bags Code: 58103

£481.00

SylvaGrow Ericaceous Peat Free Compost 35 x 40ltr

35 x 40ltr bag Code: 57539

£512.00

Comfrey Pellets Natural Fertiliser

1.5kg bag Code: 54648

£26.95

Ericoid Rootgrow with Mycorrhizal Fungi 200g

200g pouch Code: 52739

£9.45

Bulk Deal - 21 x 60ltr Compost PLUS 6 x 15ltr Orgro

Code: 54700

£460.00

SylvaGrow Peat Free Ericaceous Compost 40ltr x 30 and Orgro 15ltr x 6

30 x 40ltr Bags, 6 x 15ltr bags Code: 58102

£529.00

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Quality Compost for Soil Improvement

Our high-quality compost to improve soil can work wonders in any garden, helping you grow healthy plants and beautiful flowers. You’ll find everything from general purpose compost to specially formulated potting soils, along with a wide range of additives to promote better drainage, aeration, and water retention. Browse our plant feed and fertiliser range to give your plants an extra boost.

Buy Compost and Soil Improvers Online

At Johnsons, we have everything you need to create the garden of your dreams. From compost and soil improvers to great value garden tools, we only stock the highest quality products to ensure unbeatable results every growing season. Order today for fast UK delivery – 100% satisfaction guaranteed!