Thompson & Morgan

'Allium'

Allium Collection - 100 allium bulb mix

Allium Collection - 100 allium bulb mix

Upright stems add a strong vertical accent to cottage garden borders. These magnificent allium bulbs produce an explosion of colour, followed by architectural seedheads that create a spectacular autumn display. Undemanding and easy to grow, these magnificent allium flowers are also excellent for cutting.

  • Allium aflatunese (16 bulbs) - Dense globes of mauve-purple flowers measuring up to 10cm (4") across in early summer. Height: 90cm (35"). Spread: 10cm (4"). Bulb size 4/5.
  • Allium sphaerocephalon (24 bulbs) - An understated allium with unusual oval shaped, purple green flower heads, that associates beautifully with swaying grasses. Height: 50cm to 1 metre (20" to 40"). Spread: 8cm (3").Bulb size 4/5.
  • Allium caeruleum (50 bulbs) - Bright blue globes of starry flowers are carried on stiff upright stems. Height: 60cm (24"). Spread: 8cm (3"). Bulb size 4/5.
  • Allium 'Purple Sensation' (10 bulbs) - Globes of starry purple flowers that measure up to 8cm (3") across. Height: 90cm (36"). Spread: 10cm (4"). Bulb size 10/12.

Useful links:

How to grow bulbs, corms and tubers

Price: £9.99

Allium 'Big Impact Mixed' - 16 allium bulbs

Allium 'Big Impact Mixed' - 16 allium bulbs

  • Customer favourite
Add height and structure to your borders with these superb summer-flowering bulbs. Undemanding and easy to grow, Allium 'Big Impact Mixed' will give you a wonderful assortment of flower shapes, sizes and colours that are superb for cut flower displays. Don't forget that their attractive and architectural seed heads will also add autumnal interest later in the season. Height ranges from: 60 -90cm (24-36"). Spread: 15cm (6"). Bulb size: 14/16.

Useful links:

How to grow bulbs, corms and tubers

Price: £6.99 - £16.99

Allium 'Globemaster' - 1 allium bulb

Allium 'Globemaster' - 1 allium bulb

Hundreds of starry lilac-purple blooms form the incredible flower heads of this RHS AGM variety. The magnificent, spherical blooms of Allium 'Globemaster' are up to 15cm (6") across! Flowering only once in a season, the blooms are followed by skeletal seedheads for a spectacular autumn display. Undemanding and easy to grow, these purple alliums are guaranteed to add the 'wow' factor to borders and cut flower arrangements. Height: 80cm (31"). Spread: 15cm (6"). Bulb size 18/20.

Useful links:

How to grow bulbs, corms and tubers

Price: £8.99 - £17.99

Allium ramosum - 3 allium bulbs

Allium ramosum - 3 allium bulbs

Silvery-white, starry flowers are held aloft on stiff, uypright stems for a simple, understated display. Allium ramosum flowers from May to July, neatly filling the gap between spring and summer when other bulbs are finished and herbaceous borders are yet to bloom. This dainty little Ornamental Onion is undemanding and easy to grow. Perfect for dotting through rock gardens or growing in bold drifts throughout borders. Bulb size 1. Height: 45cm (18"). Spread: 10cm (4").


Useful links:

How to grow bulbs, corms and tubers

Price: £12.99 - £18.99

Allium 'Gladiator' (Large Plant) - 1 x 2 litre potted allium plant

Allium 'Gladiator' (Large Plant) - 1 x 2 litre potted allium plant

Hundreds of starry purple blooms with delicate silvery tips form these incredible allium flower heads. The magnificent, spherical blooms of Allium 'Gladiator' are up to 15cm (6") across! Flowering only once in a season, the blooms are followed by skeletal seedheads for a spectacular autumn display. Undemanding and easy to grow, these purple alliums are guaranteed to add the 'wow' factor to borders and cut flower arrangements. Height: 120cm (48"). Spread: 15cm (6").

Price: £12.99 - £19.99

Elephant Garlic (Spring/Autumn Planting) - 12 garlic cloves

Elephant Garlic (Spring/Autumn Planting) - 12 garlic cloves

Spring/Autumn planting. Hardneck.

Elephant Garlic is not a true garlic but a stem leek, which produces massive bulbs approximately 10cm (4") in diameter. The cloves are also much larger than conventional garlic with a milder taste, making it suitable for a wide choice of culinary uses, especially roasting. Available for Spring or Autumn planting. Height: 90cm (36"). Spread: 20cm (8").


Useful links:

How to grow garlic

Price: £5.99 - £9.99

Shallot 'Vigarmor' (Spring/Autumn Planting) - 20 shallot sets

Shallot 'Vigarmor' (Spring/Autumn Planting) - 20 shallot sets

Spring/Autumn planting.

Often referred to as the Banana shallot, this modern French variety has a distinctively long shape. Shallot 'Vigarmor' produces high yields of golden skinned bulbs with a firm pink flesh that is packed with flavour. This popular spring/autumn planting variety is especially useful for its excellent storage ability. Height: 35cm (14"). Spread: 15cm (6").

Useful links:

Companion PlantingHow to grow Onions

Price: £5.99

Garlic 'Germidour' (Spring/Autumn Planting) - 2 garlic bulbs

Garlic 'Germidour' (Spring/Autumn Planting) - 2 garlic bulbs

 Customer Rating

Spring/Autumn planting. Softneck garlic.

Well-known and reliable, Garlic 'Germidour' comes from French production that is well adapted to British conditions. This softneck variety produces large, white bulbs with a mild but still rich flavour. Height: 60cm (24"). Spread: 15cm (6").


Useful links:

How to grow garlic

Price: £4.99 - £7.99

Leek 'All Season Collection' - 1 packet (60 leek seed mix)

Leek 'All Season Collection' - 1 packet (60 leek seed mix)

We've built our leek collection on hardy, disease resistant British-bred varieties so you can be sure your crop will stand up to winter and summer extremes with little risk of rust, bulbing or bolting. This collection comprises; 'Lincoln', 'Oarsman' and 'Below Zero'. Oarsman bulks out quickly for the earliest summer harvest. Lincoln covers autumn and winter, while Below Zero takes you round to spring.

Price: £3.99

Garlic 'Picardy Wight' (Spring Planting) - 2 garlic bulbs

Garlic 'Picardy Wight' (Spring Planting) - 2 garlic bulbs

Spring planting. Softneck garlic.

Originating from Picardy in Northern France, Garlic 'Picardy Wight is suitable for spring or autumn planting. This softneck variety produces strong flavoured bulbs with long storage potential. Height: 60cm (24"). Spread: 15cm (6").


Useful links:

How to grow garlic

Price: £4.99 - £7.99

Shallot 'Lorient' - 1 packet (125 shallot seeds)

Shallot 'Lorient' - 1 packet (125 shallot seeds)

Finally a shallot you can reliably grow from seed! British-bred Shallot Lorient has been developed over 14 years with UK gardeners in mind. This superb variety offers superior performance compared to other seed varieties, and matches planting sets (immature bulbs) in terms of reliability, garden performance, and pest and disease resistance. Shallot Lorient is tough from the get go, making a strong start even in a cold spring. Mildew resistant and slow to bolt under the summer heat, this top-performer soldiers on to produce long, richly-sweet bulbs that add a real gourmet depth to any dish where onions are called for. Height: 35cm (14"). Spread: 15cm (6").

Price: £1.99

Shallot 'Prisma' F1 Hybrid - 1 packet (75 onion seeds)

Shallot 'Prisma' F1 Hybrid - 1 packet (75 onion seeds)

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.

Price: £0.99

Garlic 'Arno' (Spring/Autumn Planting) - 2 garlic bulbs

Garlic 'Arno' (Spring/Autumn Planting) - 2 garlic bulbs

These comparatively small bulbs certainly pack a strong pungency and a high clove count. Under optimum conditions, from an autumn planting expect to harvest 30-32 bulbs (up to 2kgs), each with 16 or so individual cloves. Garlic Arno will crop through June and July and offers excellent storage opportunities through to the following spring. This soft neck garlic produces pure white bulbs and compact pink-beige cloves. Height: 60cm (24"). Spread: 15cm (6")

Price: £4.99 - £7.99

Onion 'Santero' F1 Hybrid - 1 packet (75 seeds)

Onion 'Santero' F1 Hybrid - 1 packet (75 seeds)

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").

Price: £0.99

Globe Metal Obelisk (Black) - 1 small obelisk (black)

Globe Metal Obelisk (Black) - 1 small obelisk (black)

Add a modern feel to your beds and borders with the Globe Metal Obelisk in black. Available in three different sizes, these obelisks look superb grouped together, adding height and structure to your planting schemes. The strong steel frames are ideal for supporting climbing plants such as sweet peas, Clematis and morning glory, or alternatively they can be used as topiary frames for growing box and Euonymus. Try underplanting with Alliums to reflect the globe shape of the frame! Each joint has been gas welded and bead blasted for a professional smooth finish, making this a worthy garden feature all year round.

Product dimensions:
Small - Height: 90cm (35"). Width: 30cm (12").
Medium - Height: 120cm (47"). Width: 40cm (16").
Large - Height: 150cm (59"). Width: 50cm (20").

Price: £21.99 - £29.99

Onion 'Garnet' (Spring Planting) - 150 onion sets

Onion 'Garnet' (Spring Planting) - 150 onion sets

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

Price: £3.99 - £6.99

Shallot 'Red Sun' (Spring planting) - 20 shallot sets

Shallot 'Red Sun' (Spring planting) - 20 shallot sets

 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

Price: £5.99

Onion 'Red Arrow' (Spring Planting) - 75 onion sets

Onion 'Red Arrow' (Spring Planting) - 75 onion sets

Spring planting. Heat treated.

Onion 'Red Arrow' comes from specific British breeding of early red onions and replaces Onion 'Red Emperor'. With rosy red skins and pink tinged flesh, this early variety makes a colourful contribution to many culinary dishes. These heat treated onion sets will start to crop from late July. Onion 'Red Arrow' resists bolting and will store well for up to 8 weeks after harvesting. Height: 45cm (18"). Spread: 15cm (6").


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


Useful links:

Companion Planting

Price: £4.99 - £7.99

Leek 'Neptune' - 1 packet (250 leek seeds)

Leek 'Neptune' - 1 packet (250 leek seeds)

Pure white thick stems, autumn and winter.

Price: £0.99

Onion 'Borettana' - 1 packet (500 onion seeds)

Onion 'Borettana' - 1 packet (500 onion seeds)

Small flat bulbs for salads, pickling and stir frys.

Price: £0.99

Onion 'Golden Ball' (Spring Planting) - 375g of onion sets

Onion 'Golden Ball' (Spring Planting) - 375g of onion sets

Spring planting. Heat treated.

A very popular and reliable variety, giving heavy yields of golden-brown skinned, crisp, flavoursome bulbs. Onion 'Golden Ball' has excellent storage potential too. This variety has been heat treated to reduce bolting risk on planting. Height: 45cm (18"). Spread: 15cm (6").


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


Useful links:

Companion Planting


Pack size info: 375g equates to approximately 75 onion sets.

Price: £3.99 - £6.99

Onion 'Setton' (Spring Planting) - 75 onion sets

Onion 'Setton' (Spring Planting) - 75 onion sets

Spring planting.

An improvement on the popular traditional variety 'Sturon' with a more uniform shape, higher yields and better storage potential. This RHS Award of Garden Merit holder also has good skin quality and an excellent flavour. Height: 45cm (18"). Spread: 15cm (6").


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


Useful links:

Companion Planting

Price: £3.99 - £7.49

Shallot 'Longor' (Spring planting) - 20 shallot sets

Shallot 'Longor' (Spring planting) - 20 shallot sets

 Customer Rating

Spring planting.

A French production of 'Jersey Long' type producing the longest bulbs we have seen. Shallot 'Longor' is an RHS AGM variety that is highly praised for its robust flavour and good storage potential, and will surely be a winner for the exhibitor too. Height 35cm (14"). Spread: 15cm (6").


Useful links:

Companion PlantingHow to grow Onions

Price: £5.99

Shallot 'Springfield' (Spring planting) - 20 shallot sets

Shallot 'Springfield' (Spring planting) - 20 shallot sets

Spring planting.

These high yielding, shiny bronzed-skinned shallots have good bolting resistance. The reddish tinted flesh of Shallot 'Springfield' has a strong flavour so is ideal for pickling/stews and casseroles. Bulbs store very well. Height: 35cm (14"). Spread: 15cm (6").


Useful links:

Companion PlantingHow to grow Onions

Price: £5.99

Spring Onion 'White Lisbon' (Start-A-Garden™ Range) - 1 packet (263 spring onion seeds)

Spring Onion 'White Lisbon' (Start-A-Garden™ Range) - 1 packet (263 spring onion seeds)

Customers' favourite. An easy to grow spring onion with a mild flavour and smooth white skin. Quick to mature, ready in just 9- 10 weeks from sowing. Ideal for sowing at regular intervals for a continuous crop of tasty salad onions.

Price: £0.99

Shallot 'Golden Gourmet' (Spring planting) - 20 shallot sets

Shallot 'Golden Gourmet' (Spring planting) - 20 shallot sets

Spring planting.

This is a major advance on the traditional variety 'Giant Yellow'. RHS AGM variety Shallot 'Golden Gourmet' produces larger and better quality bulbs with reduced bolting incidence. The lovely golden brown skinned bulbs store well throughout the winter. Pack size: Approx. 500g. Approx. 20 sets. Height 35cm (14"). Spread: 15cm (6").


Useful links:

Companion PlantingHow to grow Onions

Price: £5.99

Shallot 'Red Gourmet' (Spring Planting) - 20 shallot sets

Shallot 'Red Gourmet' (Spring Planting) - 20 shallot sets

Spring planting.

A new development in red shallots to produce a deeper more oval shaped bulb. Shallot 'Red Gourmet' produces good yields with pale pink-tinged, crisp white flesh. This colourful variety has good storage potential. Height: 35cm (14"). Spread: 15cm (6").


Useful links:

Companion PlantingHow to grow Onions

Price: £5.99

Garlic 'Sultop' (Spring/Autumn Planting) - 2 garlic bulbs

Garlic 'Sultop' (Spring/Autumn Planting) - 2 garlic bulbs

This hard neck garlic variety produces unusual red and white striped bulbs, with the same patterning showing on the large, plump cloves too. Garlic Sultop offers some of the heaviest yields and is also early to crop. Our two bulb set pack will yield up to 2.25kgs (24-26) bulbs by the end of June, following an autumn planting. The large cloves provide strong flavour and will store on the bulb until Christmas. Height: 60cm (24"). Spread: 15cm (6")

Price: £4.99 - £7.99

Leek 'Autumn Giant 2 - Argenta' - 1 packet (150 seeds)

Leek 'Autumn Giant 2 - Argenta' - 1 packet (150 seeds)

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�).

Price: £2.99

Onion 'Paris Silver Skinned' - 1 packet (500 seeds)

Onion 'Paris Silver Skinned' - 1 packet (500 seeds)

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").

Price: £1.99

Spring Onion 'Winter White Bunching' - 1 packet (500 seeds)

Spring Onion 'Winter White Bunching' - 1 packet (500 seeds)

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.

Price: £1.99

Leek 'Northern Lights' F1 Hybrid - 1 packet (45 leek seeds)

Leek 'Northern Lights' F1 Hybrid - 1 packet (45 leek seeds)

  • 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.

Price: £2.99

Onion 'Hercules' (Spring Planting) - 375g of onion sets

Onion 'Hercules' (Spring Planting) - 375g of onion sets

  • Our best show variety
  • Introduced exclusively by T&M

Spring planting.

A well named onion, producing large, almost round, well flavoured bulbs with attractive dark golden brown skins. Onion 'Hercules' has been noted for its outstanding performance in RHS assessment trials, winning an RHS Award of Garden Merit. An excellent early or mid season variety that stores well. Height: 45cm (18"). Spread: 15cm (6").


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


Useful links:

Companion Planting


Pack size info: 375g equates to approximately 75 onion sets.

Price: £3.99 - £6.99

Shallot 'Gourmet Collection' (Spring Planting) - 40 shallot sets - 20 of each variety

Shallot 'Gourmet Collection' (Spring Planting) - 40 shallot sets - 20 of each variety

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

Price: £9.99

Onion 'Kappa' - 1 packet (200 onion seeds)

Onion 'Kappa' - 1 packet (200 onion seeds)

An unusual cylindrical shape means these golden-skinned onions can be grown at a closer spacing than normal, for increased cropping! Lending itself perfectly to slicing, the delicious, crisp white flesh of Onion 'Kappa' is perfect for making onion rings, tasty burger toppings and salads. Late maturing, this superb onion variety has 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 PlantingHow to grow Onions


Price: £1.99

Onion 'Red Baron' (Spring Planting) - 375g of onion sets

Onion 'Red Baron' (Spring Planting) - 375g of onion sets

 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


Pack size info: 375g equates to approximately 75 onion sets.

Price: £3.99 - £6.99