Search Results for "eryngium"

Eryngium x zabelii 'Big Blue' (Sea holly 'Big Blue')

Other names: Eryngium 'Big Blue'

'Big Blue' is an upright, clump-forming, deciduous perennial with spiky, deeply divided, silvery grey-green, leaves and, in summer, stiff, branched stems bearing cone-shaped, blue flowerheads surrounded by prominent, spiny, silvery-blue bracts.
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0.45m max. spread

0.8m max. height

2-5 years to maturity

Eryngium planum (Blue eryngo)

Other names: Sea holly, Flat-leaved eryngo, Plains eryngo

E. planum is a clump-forming, evergreen perennial with rosettes of toothed, oblong to ovate, dark grey-green leaves and, in summer, upright, branched stems bearing cone-like, light blue flower-heads with conspicuous, linear, spiny, blue-green bracts.
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0.45m max. spread

0.9m max. height

2-5 years to maturity

Eryngium alpinum (Alpine eryngo)

Other names: Alpine sea holly, Eryngium alpinum Blue Distel, Blue thistle

E. alpinum is an erect herbaceous perennial with heart-shaped, glossy dark green leaves. Large, cone-like, purplish flowers surrounded by vivid blue, spiny bracts, borne on blue stems.
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0.5m max. spread

1m max. height

2-5 years to maturity

Eryngium x zabelii 'Violetta' (Sea holly 'Violetta')

Other names: Eryngium 'Violetta'

'Violetta' is a clump-forming, semi-evergreen perennial with heart-shaped, spiny, mid-green leaves and, in summer, blue stems bearing lobed leaves and cylindrical umbels of violet-blue flowers with prominent, silvery blue bracts.
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0.5m max. spread

0.8m max. height

2-5 years to maturity

Eryngium eburneum (Sea holly)

Other names: Eryngium paniculatum

E. eburneum is a clump-forming, evergreen perennial with narrowly-linear, spiny, mid-green leaves and, in late summer, arching, branching stems bearing spherical umbels of greenish-white flowers with spiny, lance-shaped bracts.
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0.6m max. spread

1.5m max. height

2-5 years to maturity

Eryngium bourgatii (Mediterranean sea holly)

Other names: Bourgati's eryngo

E. bourgatii is a clump-forming, herbaceous perennial with rounded, deeply lobed, spiny, silver-veined, dark green leaves and, in summer, branching, deep blue stems bearing umbels of blue or grey-green, cone-like flowers with prominent, lance-shaped, blue-flushed, silver bracts.
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0.3m max. spread

0.45m max. height

2-5 years to maturity

Eryngium planum 'Blue Hobbit' (Eryngium 'Blue Hobbit')

Other names: Sea holly 'Blue Hobbit'

'Blue Hobbit' is an heraceaous perennial with spiny edged leaves and masses of spiky, cone-like, bright purple-blue flowers on strong stems in summer and autumn.
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0.5m max. spread

0.9m max. height

2-5 years to maturity

Eryngium bourgatii 'Oxford Blue' (Bourgati's eryngo 'Oxford Blue')

Other names: Sea holly

'Oxford Blue' forms clumps of divided leaves with prominent white veins, and cone-like, dark blue flower-heads with silvery-blue, spiny bracts.
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0.5m max. spread

0.5m max. height

2-5 years to maturity

Eryngium bourgatii 'Picos Amethyst' (Bourgati's eryngo 'Picos Amethyst')

Other names: Sea holly

'Picos Amethyst' is a thistle like perennial, with deeply cut, grey-green leaves and lilac-blue flowers on branching, wiry stems.
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0.3m max. spread

0.5m max. height

2-5 years to maturity

Eryngium bourgatii 'Picos Blue' (Bourgati's eryngo 'Picos Blue')

Other names: Sea holly

'Picos Blue' is a thistle like perennial, with deeply cut, grey-green leaves and blue-green, turning to lilac-blue, flowers on branching, wiry stems.
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0.3m max. spread

0.5m max. height

2-5 years to maturity