Silvery blue, cone shaped flowers produced on blue stems above spiny dark green leaves with attractive white veining. Prefers poor to moderately fertile soil in sun. Height and spread to around 50c..

Silvery blue thistle like flowers above clumps of dark grey green leaves with silver veins. Height and spread to around 60cm. Best in fertile well drained soil in sun. Great for cutting and drying...

A select form of giant Eryngium found at the Chelsea Physic Garden. Lots of long thin evergreen leaves with toothed spikey edges to 1.2m in upright rosettes. Typical thistly Eryngium flowe..

Sea Holly. A perennial with spiny, mid-green leaves. Branched stems of cone-shaped, light blue flowers surrounded by spiny blue-green bracts. Well drained soil in sun. Height and spread to around 9..

(Sea holly). Erect semi-evergreen perennial with thistle like blue flowers during summer. Grow in sandy well drained soil in full sun. Height 90cm, spread 45cm. ..

(Sea holly). Compact deciduous form of sea holly with steely blue thistle flowers during summer. Grow in sandy well drained soil in full sun. Height 20cm-40cm, spread 20-30cm. Try mixing with Panic..

(Sea holly). Erect semi-evergreen perennial with thistle like white flowers during summer. Grow in sandy well drained soil in full sun. Height 80cm, spread 30cm. ..

Sea Holly. A perennial with spiny, mid-green leaves, marbled with white veins. Branched stems of cone-shaped, grey- blue flowers surrounded by spiny silvery white bracts. Height 30cm to 50cm, sprea..

Sea Holly. A perennial with spiny, mid-green leaves, marbled with white veins. Branched stems of cone-shaped, grey- blue flowers surrounded by spiny silvery white bracts. Height 30cm to 50cm, sprea..