Eryngium alpinum (alpine eryngo) Heart-shaped, deciduous, toothed basal leaves support stout, upright stems that carry 2in ...

Eryngium alpinum 'Superbum' has amethyst-blue flowers cupped by three strokeable rows of feathery bracts which surround a 2in-long thimble. The upper leaves also acquire the same amethyst-blue tint.

Of the many varieties on offer, it is worth seeking out Eryngium alpinum, with its fluffy thistle heads, the variety ‘Graham Stuart Thomas’, which is a wonderful shade of electric blue, and ...

SAVE 33.3 per cent on a pack of 5 Eryngium Alpinum (Blue Star) - now only £5.95. This week's online offer is 5 Eryngium Alpinum (Blue Star) which produce dramatic silver blue flowers that are ...

There are a few varieties, Eryngium serbicum, also known as Serbian sea holly, Eryngium bourgatii, also known as Mediterranean sea holly and Eryngium alpinum, also known as alpine eryngo.

Some of the best spiny plants are the Acanthus spinosus Spinosissimus Group; Galactites tomentosa, the biennial Mediterranean thistle; Eryngium bourgatii, one of the most heavily armed plants ...