Marshalls Garden UK Discount Codes & Promos 24 August 2026

Enter your promotional code into the designated discount code box at checkout before completing payment. Certain items such as large hardware may be excluded, codes cannot always be combined, and group or bulk discounts can be arranged by calling customer support.

Yes, free delivery is automatically applied to Mainland UK orders for selected categories, including bulbs, bedding, potatoes, onions, shallots, garlic, garden-ready vegetable plants, and specially marked compost. Additionally, seed-only orders over £60 qualify for free delivery.

Yes, Marshalls Garden offers an Allotment Club & Groups Perks Programme where eligible groups spending at least £200 get 50% off seeds, 15% off potatoes, bulbs, and fruit trees, free express delivery, and an ongoing 10% discount code. Individuals can also join the email Gardening Club to receive regular exclusive deals and promo codes.

Unused items in their original packaging can be returned within 30 days of receipt using the online returns portal. A £5 charge is deducted from your refund, and approved amounts are processed back to your original payment method within 5–7 working days.

Mainland UK standard delivery is £2.99 for seed-only packet orders and £6.99 for potted plants, tools, and accessories. Extra-large or bulky items cost £10.95, while surcharges apply to specific Scottish Highlands (£13.69) and Islands (£19.68) postcodes.