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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Alliums '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").

Useful links:

How to grow bulbs, corms and tubers 

 More info
    • 20 bulbs

    • Despatch:
    •  
    • £13.99
    • Out of stock
    • 40 bulbs

    • Despatch:
    • + 20 FREE, SAVE £12.99  
    • £26.98
    • Out of stock