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 28 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: Within 3 days
    •  
    • £1.99

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: Within 3 days
    •  
    • £2.69

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: Within 3 days
    •  
    • £2.39

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: Within 3 days
    •  
    • £2.69

Onion 'Ailsa Craig' (Giant/Show Vegetable)

Allium cepa

This enduringly popular and well known variety makes a splendid choice for the show bench and is equally good in the kitchen. The quality, large, globe shaped bulbs have a rich, golden, straw coloured skin and an excellent mild flavour. For the largest bulbs, Onion 'Ailsa Craig' can also be sown in modules in autumn for transplanting outdoors in spring. Height: 45cm (18"). Spread: 10cm (4").


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 3 days
    •  
    • £1.99

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: Within 3 days
    •  
    • £2.99

Onion 'Marco' F1 Hybrid

Allium cepa

This maincrop onion produces round, thin necked, straw coloured bulbs with good disease tolerance. Onion 'Marco' is superb for storing, remaining in good condition right through to March. This RHS AGM variety reliably produces heavy yields with bulbs achieving a good size in most soils. Height: 45cm (18”). Spread: 10cm (4”).


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


Useful links:

Companion Planting

More info
    • 1 packet (250 onion seeds)

    • Despatch: Within 3 days
    •  
    • £2.39

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: Within 3 days
    •  
    • £2.99

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 Planting

More info
    • 1 packet (75 onion seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Onion 'Red Baron'

Allium cepa

A mid-late maturing variety, Onion 'Red Baron' produces firm, flattish-round bulbs of a beautiful dark red colour. With eye-catching red rimmed flesh and a stronger flavour than most varieties, this RHS AGM variety makes an attractive addition to salads. An excellent cropping red onion with 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 Planting

More info
    • 1 packet (175 onion seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Onion 'Hi Keeper' F1 Hybrid

Allium cepa

With excellent winter hardiness, this is by far the best variety for overwintering from an autumn sowing outdoors. Onion 'Hi Keeper' produces quality globe shaped bulbs weighing 120g (4oz), with golden yellow skins that will store well. This versatile variety is equally good from a spring sowing and makes a fine choice for the kitchen or the show bench. Height: 45cm (18”). Spread: 10cm (4”).


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


Useful links:

Companion Planting

More info
    • 1 packet (80 onion seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

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 Planting

More info
    • 1 packet (250 onion seeds)

    • Despatch: Within 3 days
    •  
    • £1.99