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 x tripartitum (Tripartite eryngo)

E. x tripartitum is an herbaceous perennial with a bushy habit. Its basal leaves are grey-green and it has erect, violet-blue branches. In summer and autumn it bears cone-like purple heads with dark-blue bracts.
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0.5m max. spread

0.9m 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 ebracteatum var. poterioides (Burnet-flowered sea holly)

Other names: Burnet-flowered eryngium, Eryngium ebracteatum

E. ebracteatum var. poterioides is an erect, evergreen perennial with rosettes of linear to lance-shaped, spiny, grey-green leaves and upright, wiry stems bearing cone-like, reddish-brown flower-heads from summer into autumn.
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0.6m max. spread

1.5m max. height

2-5 years to maturity

Eryngium giganteum 'Silver Ghost' (Tall eryngo 'Silver Ghost')

'Silver Ghost' is a clump-forming biennial or short-lived, evergreen perennial with rosettes of heart-shaped basal leaves, ovate, scalloped or toothed, grey-green stem leaves and, in summer, upright, branched stems bearing cone-like, pale blue flowerheads with narrow, conspicuous, spiny, silvery-white bracts.
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0.45m max. spread

0.6m max. height

2-5 years to maturity

Eryngium yuccifolium (Rattlesnake master)

Other names: Rattlesnake's master, Button snakeroot, Button eryngo

E. yuccifolium is a clump-forming, herbaceous perennial with grey-green, strap-shaped leaves with serrated margins and grey-blue, prickly flowers in summer.
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0.8m max. spread

1.5m max. height

2-5 years to maturity

Eryngium serbicum (Serbian sea holly )

E. serbicum is a clump-forming, evergreen perennial with finely-divided, toothed, grey-green leaves and, in summer, upright, branched stems bearing cone-like, dark blue flowers with long, spiny, blue to grey bracts.
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0.6m max. spread

0.6m max. height

2-5 years to maturity

Eryngium giganteum (Miss Willmott's ghost)

Other names: Tall eryngo, Eryngium oliverianum 'Willmott's Ghost', Eryngium giganteum 'Miss Willmott's ghost'

E. giganteum is a perennial with an erect habit. Its has heart-shaped basal leaves and spiny stem leaves. In summer it bears blue, cone-like flowers with spiny silvery-grey bracts.
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0.3m max. spread

0.9m max. height

2-5 years to maturity

Eryngium planum 'Jade Frost' (Sea holly 'Jade Frost')

Other names: Blue eryngo 'Jade Frost', Eryngium 'Jade Frost'

'Jade Frost' is a clump-forming, evergreen perennial with rosettes of toothed, oblong to ovate, grey-green leaves with wide, creamy-white margins, flushed pink when young, and, in summer, upright, branched stems bearing cone-like, purple to violet-blue flower-heads with conspicuous, spiny bracts.
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0.2m max. spread

0.8m max. height

2-5 years to maturity