Thompson & Morgan

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Allium Bulbs


Alliums are easy to grow and undemanding summer flowers, adding height and structure to your beds and borders. Ideal as cut flowers, they're also striking in the autumn, when the structural seed heads create an eye-catching display. Read our guide for more information on how to grow bulbs.



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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 bulb mix

    • Despatch: By end of October 2014
    •  
    • £19.99