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 schubertii (Schubert's allium)
A. schubertii is a clump-forming, bulbous perennial with strap-shaped, bright green leaves, dying back before flowering, and umbels of small, star-shaped, pink or purple flowers in early summer.
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0.1m max. spread |
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0.6m 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 |
Other names: Golden flowered garlic, Lily leek, Moly, Sorcerer's garlic, Yellow garlic, Yellow onion
A. moly is a clump-forming, bulbous perennial with grey-green strap-shaped leaves and umbels of golden yellow, star-shaped flowers on wiry stems in early summer.
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0.1m max. spread |
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0.25m max. height |
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2-5 years to maturity |
Allium insubricum (Lombardy garlic )
A. insubricum is a clump-forming, bulbous perennial with flat, linear, slightly twisted, mid-green leaves and clusters of large, nodding, bell-shaped, purple-pink flowers in summer.
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0.1m max. spread |
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0.25m max. height |
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2-5 years to maturity |
Allium giganteum (Giant allium)
A. giganteum has spreading, strap-shaped basal leaves which die down before the flowers, and tall stems bearing round umbels of bright purple flowers in 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 |
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