Thompson & Morgan

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Allium Bulbs


Allium bulbs are easy to grow and undemanding summer flowers, adding height and structure to your beds and borders. Read our guide for more information on how to grow bulbs.


Buy alliums online from our range below and you will achieve a striking display in the autumn, when the structural seed heads catch the eye.



We have found 2 products.
 

Allium Collection

Ornamental Onion

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: 60cm (24"). 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

More info
    • 100 allium bulb mix

    • Despatch: By end of September 2015
    •  
    • £19.99

Allium 'Big Impact Mixed'

Ornamental Onion

  • 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:

View 4 for 3 bulbs rangeHow to grow bulbs, corms and tubers

More info
    • 8 allium bulbs

    • Despatch: By end of September 2015
    •  
    • £9.99
    • 16 allium bulbs

    • Despatch: By end of September 2015
    • SAVE £4.99  
    • £19.98 £14.99
    • 32 allium bulbs

    • Despatch: By end of September 2015
    • SAVE £19.97  
    • £39.96 £19.99