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 |
Rhamnus alaternus 'Argenteovariegata' (Italian buckthorn 'Argenteovariegata')
Other names: Rhamnus alaternus 'Variegata'
'Argenteovariegata' is a large, evergreen shrub bearing greyish-green leaves with creamy-white margins. Inconspicuous yellow flowers in late spring and early summer are followed by small, red berries that turn black as they ripen.
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4m max. spread |
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4m max. height |
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20-50 years to maturity |
Allium cristophii (Star of persia)
Other names: Allium christophii, Allium albopilosum
A. cristophii is a deciduous, bulbous perennial, with strap-shaped, grey-green leaves dying back at flowering and, in early summer, spherical heads of star-shaped, purple-pink flowers followed by showy seed-heads.
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0.6m max. spread |
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0.6m 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 karataviense (Kara Tau garlic)
A. karataviense is a low-growing perennial with wide, arching, grey-green leaves. In summer, its bears spheres of star-shaped, pinky-white flowers on upright stems.
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0.8m max. spread |
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0.25m 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 |
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