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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.



We have found 4 products.
 

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.

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

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    • 8 bulbs

    • Despatch:
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    • £9.99
    • Out of stock
    • 16 bulbs

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    • SAVE £4.99  
    • £19.98 £14.99
    • Out of stock
    • 32 bulbs

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    • SAVE £19.97  
    • £39.96 £19.99
    • Out of stock

Allium 'Globemaster'

Ornamental Onion

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.

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How to grow bulbs, corms and tubers

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    • 1 bulb

    • Despatch: By end of December 2014
    •  
    • £9.99
    • 2 bulbs

    • Despatch: By end of December 2014
    • SAVE £5.99  
    • £19.98 £13.99
    • 4 bulbs

    • Despatch: By end of December 2014
    • SAVE £19.97  
    • £39.96 £19.99

Allium ramosum

Ornamental Onion

  • New in 2014

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

More info
    • 3 bulbs

    • Despatch: By end of December 2014
    •  
    • £12.99
    • 9 bulbs

    • Despatch: By end of December 2014
    • SAVE £19.98  
    • £38.97 £18.99

Allium obliquum

Ornamental Onion

  • New in 2014
Quirky, yellow-green florets form densely packed, spherical flower heads. The tall stems have a slender, twisted appearance that adds an airy vertical element to the back of borders. Allium obliquum is a most unusual allium bulb that will mingle beautifully with taller perennials. Grow it in large groups for the best impact. Height: 80cm (31"). Spread: 15cm (6"). Bulb size 1.
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    • 1 allium bulb

    • Despatch: By end of December 2014
    •  
    • £9.99
    • 3 allium bulbs

    • Despatch: By end of December 2014
    • SAVE £9.99  
    • £29.97 £19.98