Search Results for "eryngium"

Eryngium 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 'Silverado' (Eryngo 'Silverado')

Other names: Eryngium alpinum 'Silverado', Alpine sea holly 'Silverado'

'Silverado' is a clump-forming, evergreen to semi-evergreen perennial with rounded, deeply lobed, toothed, blue-green leaves, and, from midsummer to early autumn, sturdy, upright, branching stems bearing cone-like, white flowerheads surrounded by spiny, lobed, silvery-white bracts.
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0.5m max. spread

0.9m max. height

2-5 years to maturity