Top 10 Brands Providing Tomato Grow Bags in the UK

Tomato grow bags are a UK gardening favorite, perfect for growing juicy tomatoes in small spaces, from Kent allotments to London balconies. With the UK’s soggy summers and short growing seasons, these bags—often made from coco coir or peat-free compost—offer excellent drainage and root health. Below is a list of the top 10 brands providing tomato grow bags in the UK, including the nine specified (Magna-Grow Grow Bags, Verve Peat-free, Coirmedia Tomato Grow Bag, Galuku, Tomato Planter Nutrient Enriched Grow Bag, RocketGro Peat-Free Tomato & Veg Planter, Bulrush Grow Bag, Levington® Tomorite® Peat Free Grow Bag, Westland Gro-Sure BiG Tom Tomato Planter Large) and one additional brand (JustGrow Peat Free) to complete the list. Each entry includes price, size, material, and relevant details, sourced from recent Google searches and trusted UK gardening retailers.

1. Coirmedia Tomato Grow Bag

• Price: £10–£15 per bag (estimated, varies by retailer; contact Coirmedia for exact pricing).
• Size: 35–60 litres, typically supporting 2–3 tomato plants.
• Material: 100% coco coir, peat-free, sourced from sustainable coconut husks.
• Details: Coirmedia’s Coirmedia Tomato Grow Bag is designed for UK gardeners, offering superior water retention (up to 8 times its weight) and aeration for healthy tomato roots. Ideal for greenhouses in Essex or patios in Devon, it’s low in electrical conductivity (EC) to protect sensitive plants. The bags are eco-friendly, aligning with RHS peat-free initiatives, and come with planting guides for varieties like ‘Gardener’s Delight’. Portable and reusable with care, they suit urban gardeners in cities like Manchester. Also they have verities of other vegetable grow bags. 

2. Levington Tomorite Peat Free Grow Bag

• Price: £6–£8 per bag (available at B&Q, Amazon.co.uk).
• Size: 42 litres, supports 3 tomato plants.
• Material: Peat-free organic compost enriched with Tomorite plant food and seaweed.
• Details: Levington’s Levington Tomorite Peat Free Grow Bag is a UK favorite for its nutrient-rich mix, promoting flavorful tomatoes. The deeper design encourages hardy root growth, perfect for outdoor growing in Kent or under glass in Norfolk. It requires 6 litres of water post-planting and weekly feeding when fruits are set. Gardeners in rainy Wales appreciate its water retention, though drainage holes are advised for soggy conditions. Reusable compost can improve garden soil postseason.

3. RocketGro Peat-Free Tomato & Veg Planter

• Price: £7–£10 per bag (available at RocketGro.co.uk, Amazon.co.uk).
• Size: 60 litres, the largest UK grow bag, supports 3–4 tomato plants.
• Material: Peat-free organic compost with organic N:P:K, magnesium, and sulphur.
• Details: RocketGro Peat-Free Tomato & Veg Planter is a chemical-free, vegan-friendly option with a 12-week slow-release feed. Grown in Somerset, it’s ideal for outdoor plots in Cornwall or indoor setups in Scotland. Extensive trials ensure optimal tomato growth, with companion planting (e.g., marigolds) recommended to deter whitefly. 

4. Westland Gro-Sure BiG Tom Tomato Planter Large

• Price: £5–£7 per bag (available at Homebase, Amazon.co.uk).
• Size: 40 litres, supports 2–3 tomato plants.
• Material: Peat-free compost with added nutrients and water-retaining granules.
• Details: Westland Gro-Sure BiG Tom Tomato Planter Large is tailored for UK tomato growers, with granules that maintain moisture in dry East Anglia summers. Enriched with potassium, it boosts fruit production for varieties like ‘San Marzano’. The bag’s sturdy plastic holds up in windy coastal areas like Pembrokeshire, but drainage holes are needed. It’s single-use, though compost can be reused as a soil improver. Popular for patio gardening in urban Birmingham.

5. Verve Peat-free

• Price: £4–£6 per bag (available at B&Q).
• Size: 35 litres, supports 2–3 tomato plants.
• Material: Peat-free multi-purpose compost with organic matter.
• Details: Verve Peat-free grow bags are budget-friendly and eco-conscious, perfect for beginners in Yorkshire allotments. The compost mix supports tomato varieties like ‘Moneymaker’, with decent water retention for the UK’s variable climate. Gardeners in clay-heavy West Midlands find it a great alternative to native soil. It’s less nutrient-rich than premium brands, so weekly tomato feed is advised. The plastic bag is single-use but recyclable.

6. JustGrow Peat Free

• Price: £11–£13 for 2 bags (£22.99 for a pack on Amazon.co.uk).
• Size: 35 litres per bag, supports 2 tomato plants (advertised for 3, but 2 recommended).
• Material: 100% organic peat-free compost.
• Details: JustGrow Peat Free grow bags are organic and versatile, ideal for tomatoes, courgettes, or herbs in small London gardens. Customers praise their quality for growing ‘Tumbling Tom’ tomatoes, though some note the bags are too small for 3 plants. They absorb water well, suiting indoor use in Glasgow or outdoor plots in Dorset. The plastic bag is single-use, and some users report delivery issues with multi-packs.

7. Bulrush Grow Bag

• Price: £5–£8 per bag (available at garden centers, eBay.co.uk).
• Size: 40 litres, supports 2–3 tomato plants.
• Material: Peat-free compost with organic nutrients.
• Details: Bulrush Grow Bag offers a reliable peat-free option for UK gardeners, particularly in wet regions like Northern Ireland. Its nutrient mix supports tomato varieties like ‘Shirley’, with good drainage for soggy summers. The bag’s plastic design is single-use but durable for a season, ideal for greenhouse growing in Sussex. Regular feeding is needed for heavy feeders like tomatoes. Compost can be repurposed as a mulch post-season. 

8. Magna-Grow Grow Bags

• Price: £8–£12 per bag (estimated, varies by retailer; limited UK availability).
• Size: 50 litres, supports 3 tomato plants.
• Material: Coco coir and organic compost blend, peat-free.
• Details: Magna-Grow Grow Bags are less common in the UK but valued for their coir-based mix, which retains water and aerates roots. Suitable for indeterminate tomatoes like ‘Better Boy’ in Kent greenhouses, they’re eco-friendly and reusable with proper storage. Limited retail presence (check eBay or specialty stores) makes pricing variable. Gardeners in windy Cornwall appreciate their sturdy build, though drainage holes are essential.

9. Galuku

• Price: £12–£18 per bag (estimated, available through specialty hydroponic retailers).
• Size: 50 litres, supports 3–4 tomato plants.
• Material: 100% coco coir, peat-free, hydroponic-grade.
• Details: Galuku grow bags are premium, coir-based, and popular for commercial tomato growing in Norfolk. Their high aeration and low EC suit sensitive varieties like ‘Ailsa Craig’. Designed for hydroponics, they work in greenhouses or outdoor setups in mild Devon. Reusable for multiple seasons, they’re pricier but durable. Coirmedia-like in quality, they align with the UK’s sustainable gardening trends.

10. Tomato Planter Nutrient Enriched Grow Bag

• Price: £6–£9 per bag (available at garden centers, limited online listings).
• Size: 45 litres, supports 3 tomato plants.
• Material: Peat-free compost with added organic fertilizers.
• Details: Tomato Planter Nutrient Enriched Grow Bag is formulated for tomatoes, with nutrients to boost fruiting in varieties like ‘Brandywine’. Its compost mix suits outdoor growing in Somerset or indoor setups in urban Leeds. The plastic bag is single-use, but compost can enrich garden beds postseason. Gardeners note it needs frequent watering in dry spells, and feeding is advised after the second truss sets.