Eryngium × zabelii 'Big Blue'
Common Names: sea holly 'Big Blue'
Family: Apiaceae
Features:
Spiky, highly-divided, silvery-green foliage.
The stiff, branched stems
Blue, thimble-shaped flowerheads surrounded by a ruff of prickly, silvery-blue bracts.
Sunlight: Full
Ultimate Height: 0.5 - 1 metres
Ultimate Spread: 0.1 - 0.5 meter
Flowering: Summer
Care:
For best results grow Eryngium x zabelii 'Big Blue' in free-draining soil, in a sunny position. In colder climates you may need to protect the roots with a mulch of straw, and tidy spent foliage in spring to prevent rot.