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Onion & Leek Seeds


Growing onions from seed is easier than you think and can be cheaper than buying onion sets. You'll find all different types of onion in our range - spring, white, red, brown and shallots. Our range of leeks offers outstanding garden and exhibition varieties.



We have found 47 products.
 

Onion 'Rouge Long De Florence' - Heritage

Allium cepa

Italian Onion 'Rouge Long de Florence' produces traditional torpedo shaped bulbs with stunning, deep purple red skin. This heritage red onion is mild, and sweet - perfect for adding colour and flavour to salads or stir fries, and great for pickling too. This versatile variety can be harvested early as spring onions or left longer in the ground to form mature bulbs. Height: 45cm (18"). Spread: 10cm (4").


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Useful links:

Companion PlantingHow to grow Onions


More info
    • 1 packet (600 onion seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Onion 'Bunton's Showstopper'

Allium cepa

A well named variety that makes a big impression on the show bench! This award-winning exhibitor onion, weighing up to 2.27kg (5lb), was bred by T&M customer Ken Bunton for good shape, a larger base and fabulous skin quality. The giant bulbs of Onion 'Bunton's Showstopper' also store well and have an excellent mild flavour for the kitchen. Height: 45cm (18"). Spread: 10cm (4").


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Useful links:

Companion PlantingHow to grow Onions


More info
    • 1 packet (75 onion seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Leek 'King Richard'

Allium porum

A particularly early cropping variety that can be lifted by July from the very earliest sowings, but will easily stand until Christmas from a later sowing. The long, slender stems of Leek 'King Richard' are full flavoured and ideal for slicing. This RHS AGM variety can also be grown close together for delicious, succulent mini leeks, but is best harvested by Christmas as it is less hardy than some other varieties. Height: 45cm (18"). Spread: 30cm (12").
More info
    • 1 packet (125 leek seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Spring Onion 'Sentry' - SowStrong® Collection

Allium cepa, Bunching Onion, Scallion

This upright, dark stemmed spring onion is ideal for sowing closely for high yields of delicious, full flavoured stems. When sown every 4 weeks, Spring onion 'Sentry' will provide good yields throughout summer. Absolutely delicious in sandwiches and salads. Height: 30cm (12"). Spread: 5cm (2").
Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

Useful links:

Read more on our blog: SowStrong® – A Natural Way to Growing Success

More info
    • 1 packet (250 spring onion seeds)

    • Despatch: Within 1 days
    •  
    • £2.49

Onion 'Kappa'

Allium cepa

An unusual cylindrical shape means these golden-skinned onions can be grown at a closer spacing than normal, for increased cropping! Lending itself perfectly to slicing, the delicious, crisp white flesh of Onion 'Kappa' is perfect for making onion rings, tasty burger toppings and salads. Late maturing, this superb onion variety has good storage potential. Height: 45cm (18"). Spread: 15cm (6").


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Useful links:

Companion PlantingHow to grow Onions


More info
    • 1 packet (200 onion seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Onion 'Bedfordshire Champion'

Allium cepa

Onion 'Bedfordshire Champion' has retained its popularity for over a hundred years. This heavy cropping variety produces large globe shaped, golden brown skinned bulbs with crisp white flesh and a mild flavour. This reliable onion is well suited to the UK climate with late summer maturity and excellent storing capabilities. Height: 45cm (18"). Spread: 10cm (4").


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Useful links:

Companion PlantingHow to grow Onions


More info
    • 1 packet (250 onion seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Leek 'Bleu de Solaise' - Heritage

Allium porrum

This French heritage variety makes an attractive addition to the vegetable plot, or even dotted among flower borders for a strong vertical accent. It's distinctive blue leaves take on an eye catching purple tinge as winter temperatures drop. Leek 'Bleu de Solaise' is a reliable winter variety producing short, heavy stems that will stand well through even the most atrocious winter weather. Height: 45cm (18"). Spread: 30cm (12"). More info
    • 1 packet (300 leek seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Leek 'Lancelot'

Allium porrum

Allium porrum. An alternative as a milder flavoured spring onion when sown thickly. Leek Lancelot is ideal for growing in containers, use in salads, stir-fries or as a steamed vegetable. Also grow as a full sized leek for autumn and winter harvesting. More info
    • 1 packet (75 leek seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Onion 'Rosanna' (Spring Planting)

Allium cepa

 Customer Rating

A distinctive and appealing reddish brown skinned, semi-globe shaped bulb with stunning pink rings when sliced. Onion 'Rosanna' is ideal for all culinary uses with a real old fashioned flavour, similar to those purchased from the French onion seller of yesteryear. Height: 45cm (18"). Spread: 15cm (6").


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Useful links:

Companion Planting

More info
    • 1 packet (350 onion seeds)

    • Despatch: Within 1 days
    •  
    • £2.19

Onion 'Ciboule Red' (Bunching Onion) - Heritage

Allium fistulosum, Welsh Onion, Spring Onion, Scallion

Onion 'Ciboule Red' is perennial bunching onion usually grown as an annual, but fully winter hardy. This heritage variety forms dense clumps of slender hollow stems that can be used as a substitute to chives. The slender elongated bulbs are similar to spring onions with a strong flavour and make a tasty addition to salads. Height: 30cm (12"). Spread: 23cm (9").


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Useful links:

Companion PlantingHow to grow Onions


Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (300 onion seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Onion 'Sturon' - Duchy Originals Organic Seeds

Allium cepa

An RHS Award of Garden Merit variety producing well sized semi-round bulbs with good keeping qualities. Onion 'Sturon' is a traditional variety that has become a favourite for its reliability. Height: 45cm (18"). Spread: 15cm (6"). Height: 45cm (18"). Spread: 10cm (4").


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Useful links:

Companion PlantingHow to grow Onions


More info
    • 1 packet (300 onion seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Onion 'Tonda Musona' - Vita Sementi® Italian Seeds

Allium cepa

Onion 'Tonda Musona' produces stunning, large, rounded, white-skinned bulbs with crisp white flesh. This versatile variety is ideal for all purposes including slicing raw into salads. Well suited to storing, this onion will keep well into autumn and winter. Height: 45cm (18"). Spread: 10cm (4").


Companion planting: Try growing onions with mint to confuse and deter onion fly.


Useful links:

Companion PlantingHow to grow Onions


More info
    • 1 packet (840 onion seeds)

    • Despatch: Within 1 days
    •  
    • £1.99