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, Shallot & Garlic Sets


In this range you'll find spring-planting, autumn-planting and heat-treated varieties. Spring-planting varieties will give you a crop during June and July and autumn-planting varieties will be ready a few weeks earlier. Spring is such a busy time and planting onions and garlic in the autumn to overwinter gives you one less job to in spring! Heat-treated onions are less likely to bolt (run to seed) on planting, which occurs particularly in red varieties.



We have found 12 products.
 

Onion 'Radar' (Autumn Planting)

  • Delicious mild flavour
Plant these top performing onion sets from September for harvesting in May next season. Onion Radar is a long standing favourite, chosen for its reliable cropping, bolt resistance and winter hardiness. Japanese heritage produces a mild flavoured onion bulb, delicious eaten fresh or stored through to autumn. The short, wide bulbs produce rich straw coloured skins with crisp white flesh. Height: 45cm (18"). Spread 15cm (6").
More info
    • 75 onion sets

    • Despatch:
    •  
    • £3.49
    • Out of stock
    • 150 onion sets

    • Despatch:
    •  
    • £5.99
    • Out of stock

Garlic 'Thermidrome' (Spring/Autumn Planting)

Allium sativum

The perfect soft neck garlic for those that prefer a milder flavour. Garlic Thermidrome produces good sized bulbs for general kitchen use. The flavour is of medium pungency, but remains well throughout cooking. Pure white skin casings reveal plump beige cloves. Under optimum conditions, from an autumn planting expect to harvest 22-24 bulbs (up to 2kgs) through July. Height: 60cm (24"). Spread: 15cm (6") More info
    • 2 garlic bulbs

    • Despatch:
    •  
    • £4.99
    • Out of stock
    • 4 garlic bulbs

    • Despatch:
    •  
    • £7.99
    • Out of stock

Shallot 'Gourmet Collection' (Spring Planting)

Allium cepa (Aggregatum Group)

Spring planting.

This superb collection of gourmet shallots can be planted in spring for excellent yields of high quality bulbs. These delicious shallots make a milder alternative to onions in the kitchen. Perfect for adding a delicate sweet flavour to stews and casseroles. Height: 35cm (14"). Spread: 15cm (6").

  • Collection comprises:
  • Shallot 'Golden Gourmet' - Large, good quality bulbs with reduced bolting incidence and excellent storage potential.
  • Shallot 'Red Gourmet' - A new development in red shallots to produce a deeper more oval bulb with pale pink-tinged, crisp white flesh.

Useful links:

Companion PlantingHow to grow Onions

More info
    • 40 shallot sets - 20 of each variety

    • Despatch: By end of November 2016
    • SAVE *£2.99  
    • £12.98 £9.99

Shallot 'Hative de Niort' (Autumn Planting)

Allium cepa (Aggregatum Group)

Autumn planting.

Shallot Hative de Niort is the exhibitors favourite but also has superb taste for a wide range of culinary dishes. The brown skinned bulbs have that classic elongated pear shape with excellent uniformity. Plant from late October through to late February, if your soil conditions are likely to be very wet or in an exposed site, then plant the individual bulbs into 75mm ( 3in) pots of compost in your unheated greenhouse or a coldframe to plant out once soil conditions are favourable.

Useful links:

Companion PlantingHow to grow Onions

More info
    • 5 shallot bulbs

    • Despatch: By end of September 2016
    •  
    • £9.99
    • 10 shallot bulbs

    • Despatch: By end of September 2016
    •  
    • £16.99

Onion 'Rosanna' (Spring Planting)

Allium cepa

  • Introduced exclusively by T&M

Spring planting. Heat treated.

A distinctive and appealing reddish brown skinned, semi-globe shaped bulb with stunning pink rings when sliced. Subtle and less pungent than many varieties, Onion 'Rosanna' is ideal for all culinary uses, from cooked dishes to salads and sandwiches. 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
    • 75 onion sets

    • Despatch: By end of March 2017
    •  
    • £3.99
    • 150 onion sets

    • Despatch: By end of September 2016
    • SAVE *99p  
    • £7.98 £6.99

Onion 'Santero' F1 Hybrid (Spring Planting)

Allium cepa

  • Introduced by T&M
  • Customer Favourite

Spring planting. Heat treated.

The answer to gardeners' prayers! Heat treated early main crop, Onion 'Santero' F1 Hybrid is the first onion set with resistance to downy mildew, a potentially disastrous fungal foliage disease. This 'Rijnsburger' type onion produces copper brown, oval-to-round bulbs with medium skin thickness. Yields are similar in quality and quantity to other F1 maincrop varieties currently available, and bulbs have great 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
    • 375g of onion sets

    • Despatch: By end of March 2017
    •  
    • £5.99
    • 750g of onion sets

    • Despatch: By end of March 2017
    •  
    • £8.99

Onion 'Red Baron' (Spring Planting)

Allium cepa

 Customer Rating
  • Easy to grow

Spring planting. Heat treated.

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
    • 75 onion sets

    • Despatch: By end of March 2017
    •  
    • £3.99
    • 150 onion sets

    • Despatch: By end of March 2017
    • SAVE * 99p  
    • £7.98 £6.99

Onion 'Garnet' (Spring Planting)

Allium cepa

Spring planting. Heat treated.

Originally introduced by T&M, Onion 'Garnet' is now a commercially established variety from British breeding. An improved version of Onion 'Red Baron', 'Garnet' produces more single centred bulbs that are slightly earlier to mature; from mid July onwards. This variety has been heat treated to reduce bolting risk on planting, which occurs particularly in red varieties. 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
    • 75 onion sets

    • Despatch: By end of March 2017
    •  
    • £3.99
    • 150 onion sets

    • Despatch: By end of September 2016
    • SAVE *99p  
    • £7.98 £6.99

Onion 'Spitfire' F1 Hybrid (Spring Planting)

Allium cepa

Spring planting. Heat treated.

Fresh from British breeding, this exciting new brown-skinned hybrid has excellent early vigour meaning you can harvest from early July. Onion 'Spitfire' produces good yields of medium-sized, globed-shaped bulbs, with crisp white flesh suitable for all culinary purposes. This heat-treated onion has a strong root system making it suitable for a wide range of soil types. 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
    • 75 onion sets

    • Despatch: By end of March 2017
    •  
    • £4.99
    • 150 onion sets

    • Despatch: By end of March 2017
    • SAVE *£1.99  
    • £9.98 £7.99

Shallot 'Red Sun' (Spring planting)

Allium cepa (Aggregatum Group)

 Customer Rating

Spring planting.

Gaining in popularity due to its attractive red tinged skin, Shallot 'Red Sun' is arguably the best of the red shallots. Producing good yields of crisp, white fleshed bulbs of excellent flavour for cooking, salads or for pickling. Bulbs have long storage potential. Height: 35cm (14"). Spread: 15cm (6").


Useful links:

Companion PlantingHow to grow Onions

More info
    • 20 shallot sets

    • Despatch:
    •  
    • £5.99
    • Out of stock

Shallot 'Jermor' (Autumn Planting)

Allium cepa (Aggregatum Group)

 Customer Rating

Autumn planting.

Shallot 'Jermor' is from French production of Jersey 'half long' types with long, rather than rounded bulbs that are often referred to as 'banana' shallots. The shiny copper-skinned bulbs with crisp, pink-tinged flesh make this a favourite with exhibitors. This RHS AGM variety is equally popular in the kitchen for its superb sweet taste. An excellent variety for autumn planting with good storage potential. Height: 35cm (14"). Spread: 15cm (6").


Useful links:

Companion PlantingHow to grow Onions

More info
    • 20 shallot bulbs

    • Despatch: By end of September 2016
    •  
    • £4.99

Autumn Planting Shallot Collection

Planting out your shallot sets in September or October gives them a longer growing season. Initial root establishment and early top growth occurs ahead of winter, establishing them ahead of cold weather. As spring warms up bulbs get off to a flying start. The result? Bigger bulbs for harvest.This collection comprises:

20 bulbs 'Eschalote Grise' - Rarely seen in Britain
20 bulbs 'Jermor' - The exhibitors' favourite
5 bulbs 'Hative de Niort' - A fabulous addition for your kitchen garden
More info
    • 1 x collection (45 shallot sets)

    • Despatch: By end of September 2016
    •  
    • £19.99