Eryngium agavifolium
An evergreen perennial with rosettes of sharply toothed, glossy deep green leaves. Stems of cone-shaped greenish white flowers surrounded by spiny bracts.
Eryngium alpinum
A perennial with rosettes of sharply toothed, glossy mid-green leaves. Branched stems of cone-shaped steel-blue or white flowers surrounded by spiny bracts.
Eryngium alpinum ‘Blue Star’
A perennial with rosettes of sharply toothed, glossy mid-green leaves. Branched stems of large cone-shaped bright blue flowers surrounded by spiny bracts.
Eryngium amethystinum
A perennial with spiny, mid-green leaves. Branched stems of cone-shaped steel-blue to amethyst flowers surrounded by spiny silvery green bracts.
Eryngium bourgatii
A perennial with spiny, silver veined dark green leaves. Branched stems of cone-shaped blue flowers surrounded by spiny blue-tinged silver bracts.
Eryngium giganteum
A perennial with spiny, mid-green leaves. Branched stems of cone-shaped, pale green at first then steel-blue flowers surrounded by spiny silvery grey bracts. Self seeds.
Eryngium horridum
A perennial with clumps of spine edged leaves. Upright stems of cone-shaped, green flowers surrounded by spiny bracts.
Eryngium maritimum
A perennial with rosettes of waxy blue-grey leaves. Blue stems carry blue flowers surrounded by spiny blue bracts.
Eryngium planum
A perennial with spiny, mid-green leaves. Branched stems of cone-shaped, light blue flowers surrounded by spiny blue-green bracts.
Eryngium planum ‘Flüela’
A perennial with rosettes of sharply toothed, glossy mid-green leaves. Branched stems of cone-shaped violet flowers surrounded by violet spiny bracts.
Eryngium planum ‘Seven Seas’
A perennial with rosettes of sharply toothed, glossy mid-green leaves. Branched stems of cone-shaped dark blue flowers surrounded by spiny bracts.
Eryngium proteiflorum
An unusual perennial with spiny margined, silvery green leaves. Branched stems of cone-shaped, greyish blue flowers surrounded by spiny margined, silvery white bracts.