ERYNGIUM agavifolium
The large cone thistle flower heads of this plant are green and white in colour, and produce plenty of nectar for bees. The flower stalks are very tall with the spiny, exotic Agave-like foliage....
ERYNGIUM bourgatii 'Lapis Blue'
A very striking form of sea holly with heads of snowflake-like prickly bracts surrounding a bold blue cone, all over prickly green and white foliage.
ERYNGIUM bourgatii Picos Amethyst ('Mackpam'PBR)
As the popularity of Eryngiums continues unabated, 'Picos Amethyst' really stands out from the crowd for its stunning deep blue flowers, each distinguished by a ruff of long jagged bracts.
ERYNGIUM giganteum
This is a stunning Eryngium with large silver bracts surrounding white thistle flowers in summer.
ERYNGIUM variifolium
This Sea Holly has a slightly different inflorescence in that it is very spiny and it is silver while the thistle flower is cream.
ERYNGIUM × olivierianum 'Jos Eijking'
This wonderful sea holly, often known as 'Sapphire Blue' is a product of the cut flower trade and produces good large electric blue thistle flowers in mid summer.
ERYNGIUM × olivierianum 'Neptune's Gold'PBR
A new and totally unique introduction of Sea Holly - the foliage of this Eryngium is a brilliant golden colour , it will become lime green if slightly shady. The flower spikes, stems and flower bracts
ERYNGIUM × olivierianum Big Blue ('Myersblue'PBR)
This plant really lives up to its name, 'Big Blue', the intensity of blue on the large flower heads is stunning. It forms good sized clumps in a reasonably fertile soil in full sun, and is great ...
