Thompson & Morgan

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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 45 products.
 

Onion 'Paris Silver Skinned'

Allium cepa, Pickling Onion

The perfect pickling onion! This super variety can be sown thickly to produce high yields of tiny bite-sized onions. The small bulbs can also be used in salads or cooked whole in casseroles and stews. Onion 'Paris Silver Skinned' is quick and easy to grow on even the poorest of soils. Height: 30cm (12"). Spread: 5cm (2"). More info
    • 1 packet (500 seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Spring Onion 'Winter White Bunching'

Allium cepa, Bunching Onion, Scallion

A dual purpose onion that resists bulbing up enabling it to be pulled for a longer period than regular varieties. Spring Onion Winter White Bunching has excellent overwintering qualities, can be sown either late August for late May pulling or in spring and summer for summer/autumn crops. More info
    • 1 packet (500 seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Leek 'Autumn Giant 2 - Argenta'

Allium porrum

Performs outstandingly whether sown early or late and does well over a long season. Leek 'Autumn Giant 2 Argenta' matures in October, yet stands ready for harvest right through to May. The high quality, thick, long and very heavy stems have an excellent mild flavour. This NIAB recommended variety produces good yields with few bolters. Height: 45cm (18”). Spread: 30cm (12”). More info
    • 1 packet (150 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Spring Onion 'Lilia' (Red Onion)

Allium cepa, Bunching Onion, Scallion

A dual purpose Italian variety with a pungent flavour. Spring Onion Lilia is best grown as a salad onion with nice, dark green leaves and a shiny, intense red inner core. Onion Lilia can also be grown as a maincrop, storing bulb onion. When fully mature it shows off its defined red and white inner rings. More info
    • 1 packet (500 spring onion seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Shallot 'Prisma' F1 Hybrid

Allium cepa

From seed! Each seed of Shallot Prisma produces a single attractive shiny reddish-brown skinned, white fleshed round shallot bulb, with a distinct flavour. No risk of transferring virus of white rot as with sets and the bulbs of Shallot Prisma store well. More info
    • 1 packet (75 onion seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Onion 'Ciboule Red Dragon' (Bunching Onion)

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”).


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
    •  
    • £0.99

Leek 'Neptune'

Allium Porrum

Pure white thick stems, autumn and winter. More info
    • 1 packet (250 leek seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Onion 'Borettana'

Allium cepa

Small flat bulbs for salads, pickling and stir frys. More info
    • 1 packet (500 onion seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Leek 'Northern Lights' F1 Hybrid

Allium Porrum

  • Colour changing stems
  • British bred for winter hardiness
  • 4 month winter harvest window
A visually stunning leek with great flavour. Ideal for the show bench and the kitchen. This British-bred maincrop leek variety shows excellent winter hardiness, allowing for harvests through December to March. The blue-green leaves turn a stunning shade of purple as the coldest winter temperatures set in. Brighten up your winter veg patch and your winter dinner plate with the prettiest leek in our collection.
More info
    • 1 packet (45 leek seeds)

    • Despatch: Within 1 days
    •  
    • £2.99