3 For 2 on Christmas Cropping Potatoes

Enter code XMAPOT at checkout for offer to apply. Hurry! Whilst Stocks Last. Click here to view all varieties on offer.

Buy 1 Get 1 Half Price

When you add this variety to basket. Discount automatically applies at checkout.

Buy 1 Get 1 Half Price Garden Ready Bedding

Add 2 of this product to get 1 half price. Discount automatically applies at checkout.

Buy 2 Save £10.00 on This Variety

Use discount code POTM06 at checkout. Hurry While Stocks Last!

3 for 2 on Same Variety 9cm Plants

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Save up to £15 on Bird Care

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Get this item FREE when you spend £10.

Add this product to your basket PLUS a further £10 worth of any products. The free item will be automatically discounted during check out. Hurry! Only available for the first 2,023 orders - ends midnight Monday.

Buy 3 Get Third Free

Please add 3 to your basket and the offer will automatically apply at checkout.

Buy 1 Get 1 Half Price on same variety Super Plugs

Add 2 of this product to get 1 half price. Discount automatically applies at checkout.

Buy 3 Perennial Garden Ready Plants and get 3rd FREE

Buy 3 get get 3rd free on the same variety and size plants. Please add 3 to your basket and the offer will automatically apply at checkout.

Buy any 3 packs of same variety & size plants and get 3rd free

Add 3 of this product to your basket and one will be FREE. Discount automatically applies at checkout.

3 for 2

Add 3 of this product to your basket and 1 will be FREE.

Buy 2 Save £4

Add 2 of this product to your basket and save £4.

Buy 3 Save £4

Add 3 of this product to your basket and save £4.

Buy 3 Save £10

Add 3 of this product to your basket and save £10.

Free Delivery Valentine's Day Offer

As a Valentine's Special Offer, we are offering this product duo with delivery included. Order by end of Sunday 11th Feb for guaranteed delivery in time for Valentine's Day.

💜 Verbena 'Buenos Aires' - 9cm Pot Offer 💜

Limited Time Offer! Add 3 Plants for £15, usually £23.97. Just £5 per plant! Add 5 Plants for £20, usually £39.95. Just £4 per plant! Add 10 Plants for £35, usually £79.90. Just £3.50 per plant! Discounts automatically apply at checkout.

💜 Buddleja davidii 'Adonis Blue' - 9cm Pot Offer 💜

Limited Time Offer! Add 3 Plants for £15, usually £29.97. Just £5 per plant! Add 5 Plants for £20, usually £49.95. Just £4 per plant! Discounts automatically apply at checkout.

🌸 Limited Time Offer! 🌸

Limited Time Offer! Add 3 Plants for £15, usually £26.97. Just £5 per plant! Add 5 Plants for £20, usually £44.95. Just £4 per plant! Add 10 Plants for £35, usually £89.90. Just £3.50 per plant! Discounts automatically apply at checkout.

Onion 'Centro' Seeds

Marshalls Garden

£2.79

Catalogue Code: 10204153

Sale price

In stock

Regular price £2.79
Onion ‘Centro’ produces a high yield of top-quality firm round onions with golden brown skins and good flavour. It stores well over a long period.

Key Features

  • Disease resistant

Pack Contents: 500 Seeds

Description

  • High yields of top-quality onions
  • Golden brown skins
  • Good flavour
  • Stores well for a long period

Onion ‘Centro’ produces a high yield of top-quality firm round onions with golden brown skins and good flavour. It stores very well over a long period.

Sow indoors

January-March: Sow thinly 1cm (1⁄2in) deep in clean trays or modules of firm pre-watered compost. Place in warmth 50-60°F (10-15°C) and keep moist at all times. When large enough to handle transplant 5cm (2in) apart to trays of potting compost.p>

Sow outdoors

March-April: Sow thinly into pre-watered soil 1cm (1⁄2in) deep, in short rows 20cm (8in) apart, directly into harvest position. Keep soil moist at all times until seedlings are established.

Plant out

April-May: Harden off before planting out into the required harvest position 15cm (6in) apart in rows 30cm (12in) apart.

Tips

Weed regularly. Harvest once the leaves turn yellow and flop over. Leave onions to dry before storing.

Growing Calendar

J Jan F Feb M Mar A Apr M May J June J Jul A Aug S Sep O Oct N Nov D Dec
Sow Indoors
Sow Outdoors
Plant Outdoors
Harvest

Delivery

We know how important your garden is to you. We've listened to our customers and introduced a new improved speedy delivery service, meaning Express delivery comes as standard.

*Orders to Northern Ireland have an automatic additional £3.00 delivery surcharge applied at checkout. 

Order TypeDelivery ChargeDelivery Charge
Seed only order£2.99If you purchase any other items you'll be charged the standard delivery rate of £5.99
Plants, bulbs & gardening accessories£5.99If we need to split your order into separate deliveries we'll only charge one delivery fee
Extra large or long plants & heavy items£9.99These are clearly displayed at check-out
Compost (and any other large or heavy items)£5.99

These items are subject to a delivery multiplier where orders containing 3 or 4 items will be subject to an additional £5.99 for every further 2 items added. This is automatically applied at check-out:

  • 1 - 2 bags £5.99
  • 3 - 4 bags £11.98
  • 5 - 6 bags £17.97
  • 7 - 8 bags £23.96
  • 9 - 10 bags £29.95

If you'd like more than 10 bags of compost please call our Customer Service team who can arrange for a bespoke competitive quote on 01480 774555 (standard network charges apply)

For more detail on specific delivery queries and compost delivery please click here
 

Delivery to outside of Great Britain

We regret we are unable to deliver any items outside of some Great Britain delivery addresses. This includes Europe, Channel Islands, Republic of Ireland, USA and Rest of World. We will update our website if this changes. 

We now deliver to Northern Ireland, additional delivery surcharges automatically apply at checkout. 

For more information about our deliveries please click here.

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