Allium stipitatum 'Mount Everest' (Allium 'Mount Everest')
Other names: Ornamental onion 'Mount Everest'
'Mount Everest' is a clump-forming, bulbous perennial with glossy, strap-shaped, mid-green leaves and, in summer, sturdy, erect stems bearing dense, rounded umbels of star-shaped, white flowers in summer.
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0.5m max. spread |
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1m max. height |
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2-5 years to maturity |
Nectaroscordum siculum (Sicilian honey garlic)
Other names: Allium siculum
N. siculum is a bulbous perennial with linear garlic-scented leaves. In early summer, it bears umbels of pendulous green-flushed pink and cream bell-shaped flowers on tall stems.
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0.3m max. spread |
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1.2m max. height |
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2-5 years to maturity |
Allium hollandicum (Dutch garlic)
Other names: Allium x hollandicum
A. hollandicum is a upright, bulbous perennial with strap-shaped, mid-green basal leaves, dying back during flowering, and erect stems bearing dense, rounded umbels of star-shaped, purple-pink flowers in summer.
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0.1m max. spread |
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1m max. height |
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2-5 years to maturity |
Allium 'Gladiator' (Allium 'Gladiator')
Other names: Giant allium 'Gladiator', Ornamental onion 'Gladiator'
'Gladiator' is a bulbous perennial with glossy, strap-shaped, mid-green leaves and sturdy, erect stems bearing large, dense, rounded umbels of star-shaped, lilac flowers in early summer.
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0.5m max. spread |
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1.5m max. height |
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2-5 years to maturity |
Allium 'White' (Allium 'White')
'White' has strap-shaped, grey-green leaves and globular clusters of starry white flowers.
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0.5m max. spread |
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1.5m max. height |
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2-5 years to maturity |
Allium caeruleum (Azure-flowered garlic)
Other names: Blue-flowered garlic, Allium azureum , Allium 'Azureum', Allium caeruleum azureum, Allium coerulescens, Blue of the heavens, Blue globe onion
A. caeruleum is a clump-forming, bulbous perennial with linear, grey-green leaves and erect stems bearing compact, dense, rounded clusters of blue flowers in early summer.
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0.1m max. spread |
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1m max. height |
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2-5 years to maturity |
Allium siculum (Mediterranean Bells)
A. siculum is a tall bulbous perennial with a crown of bell-shaped flowers that grow green on the outside with lilac-pink markings on the inside.
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0.1m max. spread |
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1m max. height |
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2-5 years to maturity |
Allium aflatunense (Ornamental onion)
Other names: Persian onion
A. aflatunense is a clump-forming, bulbous perennial with strap-shaped, mid-green leaves and erect, slightly ribbed stems bearing dense, spherical umbels of star-shaped, purple-pink flowers in summer.
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0.1m max. spread |
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1m max. height |
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2-5 years to maturity |
Allium 'Ambassador' (Allium 'Ambassador')
Other names: Giant allium 'Ambassador'
Ambassador' is a bulbous perennial with glossy, strap-shaped, bright green basal leaves and, from late spring into summer, sturdy, erect stems bearing large, dense, rounded umbels of dark purple flowers
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0.4m max. spread |
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1.2m max. height |
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2-5 years to maturity |
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