Search Results for "Allium"

Allium sikkimense (Sikkim onion)

Other names: Blue-flowered allium, Allium kansuense, Allium tibeticum

A. sikkimense is a bulbous perennial with linear, mid-green leaves, and nodding umbels of small, bell-shaped, blue, sometimes white, flowers in early summer.
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0.1m max. spread

0.25m max. height

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

1m max. height

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

0.25m max. height

2-5 years to maturity

Hydrangea macrophylla 'All Summer Beauty' (Hydrangea 'All Summer Beauty')

Other names: Mophead hydrangea 'All Summer Beauty', Hortensia hydrangea 'All Summer Beauty'

'All Summer Beauty' is a compact, bushy, deciduous shrub with broadly ovate, toothed, veined, dark green leaves and large, rounded clusters of deep blue or pale pink flowers in summer.
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1.25m max. spread

1.25m max. height

5-10 years to maturity

Clematis tubulosa 'Alblo' (Clematis 'Alblo')

Other names: Clematis tubulosa 'Alan Bloom', Clematis heracleifolia 'Alblo'

'Alblo' is an erect, non-climbing perennial or sub-shrub with pinnate, toothed, dark green leaves and fragrant, tubular, purple to blue flowers with recurved petals blooming in summer.
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1m max. spread

1m max. height

2-5 years to maturity

Prunella vulgaris (Selfheal)

Other names: Square stem, Thimble flower, Sickle-heal, Sicklewort, Slough-heal, Hookweed, Panay, Proud carpenter, Herb carpenter, Hercules' all-heal, Hook-heal, Carpenter's herb, Heart of the earth, Brunel, Caravaun bog, Carpenter grass, Blue curls, Brownwort, Heal-all

P. vulgaris is a creeping, semi-evergreen perennial with rooting stems bearing oblong to ovate, mid-green leaves and short, erect spikes of tubular, two-lipped, violet, rarely pink or white, flowers from summer into autumn.
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0.5m max. spread

0.3m max. height

2-5 years to maturity

Iris laevigata 'Alba' (Japanese iris 'Alba')

Other names: Smooth iris 'Alba', White Japanese iris

'Alba' is a herbaceous perennial with an erect, clump-forming habit, and pale green, arching foliage with black watermarks in the veins. In early to mid summer it bears white flowers, four to a stem.
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0.5m max. spread

0.6m max. height

2-5 years to maturity

Clematis 'Albatross' (Clematis 'Albatross')

Other names: Early Large-flowered clematis 'Albatross', Clematis 'Albatross'

Albatross' is a deciduous, perennial climber with pinnate, dark green leaves and, in late spring and early summer, and again in late summer, large, white flowers, with pointed petals and dark purple anthers, sometimes with purple bars down the centre of each petal.
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2m max. spread

3m max. height

2-5 years to maturity

Iris unguicularis 'Walter Butt' (Algerian iris 'Walter Butt')

Other names: Iris stylosa 'Walter Butt'

'Walter Butt' is a vigorous, rhizomatous, evergreen perennial with narrow, sword-shaped, slightly twisted, dark green leaves and, in late winter, early spring, and occasionally in late autumn, large, lavender-blue to grey flowers with yellow bands in the centre of each petal.
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0.5m max. spread

0.3m max. height

2-5 years to maturity

Brunnera macrophylla 'Alexander's Great' (Siberian bugloss 'Alexander's Great')

Other names: Brunnera macrophylla 'Alexander the Great'

'Alexander's Great' is a mound-forming, rhizomatous perennial, bearing large, heart-shaped, silvery leaves with dark green veins and pale green margins. Airy panicles of small, lightly fragrant, light blue flowers bloom in spring.
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0.7m max. spread

0.4m max. height

2-5 years to maturity