Spiny metallic-blue flowers in late summer
Eryngium × zabelii Neptune's Gold (PBR)
Eryngium Blauer Zwerg
Eryngium bourgatii Picos Amethyst ('Mackpam') (PBR)
Eryngium Magical Blue Lagoon ('Kolmblula') (PBR) (Magical Series)
Eryngium giganteum Silver Ghost
Eryngium Magical Red Thunder (PBR)
