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 |
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 oreophilum (Allium oreophilum)
Other names: Allium ostrowskianum
A. oreophilum is a low-growing bulbous perennial with strap-shaped leaves. In late spring or early summer, it bears clusters of dainty rose-pink flowers.
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0.2m max. spread |
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0.15m max. height |
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2-5 years to maturity |
Other names: Allium multibulbosum, Broad-leaved onion , Allium afrum, Allium bauerianum, Allium magicum, Allium paucibulbosum, Kalabotis nigrum
A. nigrum is a bulbous perennial with strap-shaped leaves. In mid-summer, it produces globular heads of white, star-shaped flowers on upright stems. It gets its name from the dark centres to its flowers.
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0.4m max. spread |
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0.45m max. height |
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2-5 years to maturity |
Allium narcissiflorum (Piedmont garlic )
Other names: Allium pedemontanum, Narcissus onion
A. narcissiflorum is a clump-forming, bulbous perennial with strap-shaped, grey-green leaves and pendent umbels of bell-shaped, pink or magenta flowers in summer.
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0.1m max. spread |
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0.35m 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 falcifolium (Sickle-headed garlic)
Other names: Coast flatstem onion, Scythe-leaf onion, Sickle-leaf onion
A. falcifolium is a clump-forming, bulbous perennial with strap-shaped, grey-green leaves and short, upright stems bearing umbels of slender, goblet-shaped, crimson to reddish-purple flowers in spring.
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0.15m max. spread |
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0.2m max. height |
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2-5 years to maturity |
Allium forrestii (Forrest's allium )
Other names: Forrest's ornamental onion
A. forrestii is a compact, clump-forming, bulbous perennial with linear, grey-green leaves and short stems bearing umbels of pendent, bell-shaped, reddish-purple flowers in summer.
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0.15m max. spread |
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0.25m max. height |
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2-5 years to maturity |
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