Allium sphaerocephalon (Roundhead leek)
Other names: Round-headed allium
A. sphaerocephalon is a bulbous perennial with strap-like, mid-green basal leaves and tall stems bearing small round or oval pink to purple-red flowerheads in summer
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0.1m max. spread |
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0.9m max. height |
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2-5 years to maturity |
Allium cyaneum (Dark blue garlic)
Other names: Allium purdomii, Allium beesianum, Blue onion, Ornamental onion
A. cyaneum is a clump-forming, bulbous perennial with short, spreading rhizomes, grass-like, dark green leaves, and umbels of bell-shaped, blue 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 flavum (Yellow-flowered allium)
A. flavum is a deciduous bulb, with narrow leaves and small, bell-shaped, yellow flowers in loose umbels in early summer.
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0.5m max. spread |
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0.4m max. height |
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2-5 years to maturity |
Allium 'Cameleon' (Allium 'Cameleon')
Other names: Ornamental onion 'Cameleon', Allium 'Caméléon'
'Cameleon' is a compact, clump-forming, bulbous perennial with strap-shaped, mid- to dark green leaves and sturdy, erect stems bearing rounded umbels of small, star-shaped, pink-flushed, white flowers in early summer.
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0.1m max. spread |
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0.3m max. height |
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2-5 years to maturity |
Allium 'Jackpot' (Allium 'Jackpot')
Other names: Giant allium 'Jackpot', Ornamental onion 'Jackpot'
'Jackpot' is a clump-forming, bulbous perennial with strap-shaped, mid-green leaves, typically dying back before flowering, and umbels of small, star-shaped, deep violet to lilac-pink flowers in late spring or early summer.
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0.2m max. spread |
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0.8m max. height |
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2-5 years to maturity |
Allium canadense (Canada garlic)
Other names: Meadow garlic, Meadow leek, Rose leek, Canada onion, Canadian garlic, Meadow garlic, Wild onion, Wild garlic
A. canadense is a clump-forming, bulbous perennial with an edible, onion-like bulb bearing linear, blue-green leaves and dome-like clusters of star-shaped, white or pink flowers in late spring and early summer.
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0.2m max. spread |
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0.5m max. height |
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2-5 years to maturity |
Allium 'Globemaster' (Allium 'Globemaster')
Other names: Ornamental onion 'Globemaster'
'Globemaster' is vigorous, clump-forming, bulbous perennial with strap-shaped, grey-green leaves and large, spherical clusters of star-shaped, deep violet flowers in summer.
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0.2m max. spread |
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0.8m max. height |
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2-5 years to maturity |
Allium fistulosum (Spring onion)
Other names: Welsh onion, Japanese bunching onion, Japanese leek, Welsh leek, Stone leek, Onion-leek, Scallion
A. fistulosum is a clump-forming, slowly spreading, evergreen bulbous perennial cultivated as a vegetable with edible, upright, hollow, strap-like, blue-green leaves, erect stems bearing umbels of tiny, pale yellow flowers from late spring into autumn, and small, edible, white bulbs ready for harvest approximately 6-8 weeks after sowing.
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0.13m max. spread |
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0.9m max. height |
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1-2 years to maturity |
Allium tuberosum (Chinese chives)
Other names: Garlic chives, Oriental garlic, Fragrant-flowered garlic
A. tuberosum is a vigorous, clump-forming, bulbous perennial with linear, keeled, edible, mid-green leaves and erect stems bearing umbels of fragrant, star-shaped, white flowers from summer into autumn.
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0.5m max. spread |
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0.5m max. height |
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2-5 years to maturity |
Allium atropurpureum (Very dark purple allium)
Other names: Purple flowered onion, Dark purple allium, Allium nigrum var. purpureum
A. atropurpureum is a clump-forming, deciduous, bulbous perennial with strap-shaped, grey-green leaves and sturdy, erect stems bearing dense umbels of deep reddish-purple flowers in late spring and early summer.
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0.5m max. spread |
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0.5m max. height |
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2-5 years to maturity |
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