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 17 products.
 

Leek 'Musselburgh'

Allium porrum

A fine strain of this well known, reliable mid season variety. Producing heavy crops of short, thick stems with an excellent flavour and tender texture when cooked. Leek 'Musselburgh' is exceptionally hardy and stands well in even the coldest winter weather, making it a popular choice for growing in cold areas. Height: 45cm (18”). Spread: 30cm (12”). More info
    • 1 packet (350 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £2.09

Leek 'Autumn Giant 2 - Porvite'

Allium porrum

  • RHS Award of Garden Merit

This excellent RHS AGM variety produces mid green, erect foliage, and heavy, uniform stems. Leek 'Autumn Giant 2 Porvite' stands well in the garden over a long period and demonstrates resistance to bulbiness and bolting, as well as good rust tolerance. Height: 45cm (18”). Spread: 30cm (12”).
More info
    • 1 packet (200 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £2.89

Leek 'Porbella'

Allium porrum

An outstanding garden variety with excellent winter hardiness and good resistance to rust. Leek 'Porbella' produces good yields of sturdy, pure white, thick stems with dark green leaves. The mature leeks are ready for harvesting from October to February. Height: 45cm (18”). Spread: 30cm (12”). More info
    • 1 packet (200 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £2.49

Leek 'Blauwgroene Winter - Bandit'

Allium porrum, Leek 'Bandit'

An outstanding cultivar for harvesting from winter through to spring. The dark leaves of Leek 'Blauwgroene Winter - Bandit' contrast beautifully with delicious, thick, pure white stems. This variety has excellent garden performance and winter hardiness, showing good tolerance against rust and bolting. Height: 45cm (18”). Spread: 20cm (8”).
More info
    • 1 packet (250 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £2.69

Leek 'Oarsman' F1 Hybrid

Allium porrum

This superb midseason variety produces long, pure white, uniform stems with dark, erect foliage. Leek 'Oarsman' shows good early vigour, bulking up quickly, with no sign of bulbing. It stands well over a long period with good tolerance to rust and bolting. A terrific garden variety with an RHS AGM. Height: 45cm (18”). Spread: 30cm (12”).
More info
    • 1 packet (40 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £2.99

Leek 'Below-Zero' F1 Hybrid

Allium porrum

This British bred leek combines the vigour of an F1 Hybrid with extreme cold tolerance to produce superb quality leeks that can withstand the harshest of weathers. Leek 'Below-Zero' produces pure white stems with dark leaves that stand well over a long period without bolting. This rust resistant variety can be lifted from Christmas right through to May. Height: 45cm (18”). Spread: 30cm (12”). More info
    • 1 packet (50 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £2.99

Leek 'Nipper'

Allium porrum

This British bred variety is fast growing, making it ideal for harvesting as 'baby leeks' just 10 weeks after sowing. Sow them thickly and lift the leeks as they reach spring onion size for a delicious 'out of season' crop. With a milder flavour than spring onions, Leek 'Nipper' makes a fabulous addition to stir fries and salads. Height: 35cm (14"). Spread: 20cm (8"). More info
    • 1 packet (250 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £1.99

Onion 'Performer' (Bunching Onion)

Allium fistulosum, Oriental Bunching Onion, Spring Onion, Scallion

Bunching onion 'Performer' produces upright, dark green leaves and mild flavoured stems which do not bulb. Use this perennial onion as a spring onion to add to salads or chopped as a chive-like garnish with a mild flavour. This winter hardy variety can be harvested virtually year round from successional sowings. 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: By end of September 2014
    •  
    • £2.49

Leek 'Natan' F1 Hybrid - SowStrong® Collection

Allium porrum

Leek 'Natan' is a quality variety with excellent garden performance. This resilient, hardy variety produces delicious white stems with darkest green foliage. Perfect for winter harvests from November through to March. Height: 45cm (18"). Spread: 30cm (12").

Useful links:

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

More info
    • 1 packet (70 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £2.49

Leek 'Pennine' F1 Hybrid

Allium porrum

From British breeding comes the first - and only - hybrid pot leek. The result of painstaking work in crossing sterile male lines with top prize-winning show leeks. Leek 'Pennine' is a much thicker, but shorter blanch with a true pot leek appearance. This autumn variety is ideally grown in individual 25cm (10") pots or in well-prepared soil in the garden, where it will withstand adverse conditions right up until New Year. Height: 45cm (18"). Spread: 30cm (12"). More info
    • 1 packet (40 leek seeds)

    • Despatch: By end of September 2014
    •  
    • £3.19

Onion 'Ciboule' (Bunching Onion) - Heritage

Allium fistulosum, Welsh Onion, Spring Onion, Scallion

Onion 'Ciboule' 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.


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: By end of September 2014
    •  
    • £2.19

Leek 'Kong Richard'

Allium porum, Leek 'King Richard'

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 'Kong 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: By end of September 2014
    •  
    • £2.69