Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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 11 products.
 
Onion : Bunching/Spring : White Lisbon

Spring Onion 'White Lisbon'

Allium cepa, Bunching Onion, Scallion
  • RHS Award of Garden Merit
Very quick growing salad onions, sow Spring Onion White Lisbon in succession for a continuous crop all spring, summer and autumn. More info
    • 1 packet (650 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Kew : Spring Onion : Purplette

Spring Onion 'Purplette'

Allium cepa, Bunching Onion, Scallion

  Customer Rating

An early bulbing, glossy purple-red skinned salad onion when small. The colour changes to lovely pastel pink when larger bulbs are pickled or cooked.

 More info
    • 1 packet (300 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Onion : Salad Onion Apache (Deep Purple)

Spring Onion 'Apache'

Allium cepa, Spring Onion 'Deep Purple', Bunching Onion, Scallion

 Salad Onion Apache (Deep Purple) is an attractive deep purple-red skinned spring onion with a mild flavour and a crisp texture. The purple outer skin merges with the silver when peeled, adding a colour contrast to salads. Salad Onion Apache is ideal for growing in containers, or outdoors throughout the season. Seeds are in the RHS Vegetable Collection. More info
    • 1 packet (750 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Onion : Feast F1 Hybrid

Spring Onion 'Feast' F1 Hybrid

Allium cepa, Bunching Onion, Scallion
Onion Feast has long pure white slender stems contrast with the dark green, erect leaves of this outstanding spring onion. Excellent heat and downy mildew tolerance. Onion Feast stands very well, keeping in good condition. Ideal for successional sowing. Seeds are in the RHS Vegetable Collection. More info
    • 1 packet (500 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Onion : Bunching/Spring : Lilia (Red Onion)

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 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Onion : Bunching/Spring : Eiffel

Spring Onion 'Eiffel'

Allium cepa, Bunching Onion, Scallion

 An improved White Lisbon, Spring Onion Eiffel has upright leaves for successional sowings for spring, summer and autumn production. Spring Onion Eiffel is slow to form bulbs during the long days of summer, with improved disease tolerance. More info
    • 1 packet (500 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.19
Kew Urban Garden Vegetables : Onion : Bunching/Spring : Pompeii

Spring Onion 'Pompeii'

Allium cepa, Bunching Onion, Scallion

 Allium cepa. A quick growing, silver skinned cocktail/pickling onion. Spring Onion Pompeii is succulent and ideal for sowing thinly in containers or window boxes. More info
    • 1 packet (300 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Spring Onion 'Sentry'

Spring Onion 'Sentry' - SowStrong® Collection

Allium cepa, Bunching Onion, Scallion
  • NEW & EXCLUSIVE in 2013
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 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Salad Onion Cipollotto Blanca de Lisboa - Vita Sementi Italian Seeds

Spring Onion 'Cipollotto Blanca de Lisboa' - Vita Sementi® Italian Seeds

Allium cepa, Bunching Onion, Scallion

 The traditional Italian 'spring onions' an essential ingredient for salads throughout the season. Salad Onion Cipollotto Blanca de Lisboa is best pulled small before bulbing develops. More info
    • 1 packet (1400 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Onion : Bunching/Spring : Performer

Onion 'Performer' (Bunching Onion) - Part of the Alan Titchmarsh Collection

Allium fistulosum, Oriental Bunching Onion, Scallion
 
  • Ideal for succession sowing
  • Delicious bunching onion

Delicious spring onions throughout the year are possible by sowing every 4 weeks from early spring to autumn. The dark green leaves and white stems of spring onion 'Performer' have a mild flavour and make the perfect addition to a salad. Height: 30cm (12"). Spread: 5cm (2").
Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

 More info
    • 1 packet (300 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Onion : Spring: White Lisbon - Duchy Originals

Spring Onion 'White Lisbon' - Duchy Originals Organic Seeds

Allium cepa, Bunching Onion, Scallion
Quick growing with a delicious, pungent flavour. Spring Onion White Lisbon is popular and reliable for successional sowings throughout the season. Delicious when young, becoming more pungent as the stems enlarge and start to bulb. More info
    • 1 packet (400 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99