Eryngium

Common name: Neptune's Gold or Sea Holly An upright perennial with yellow-green spiny brachts and electric blue flowers. Tiny flower heads appear from mid-summer which remain into winter.  Average...

Common name: Grumpy Ornamental thistle. Silver-blue flowers in summer. Loved by flower arrangers. Sunny open aspect. Average height: 2ft Full sun.

Common name: Sea Holly A stunning, architectural perennial with spiny, silvery-gren leaves and branching stems. Large, vivid steel-blue flowers surrounded by spiny bracts, are produced from June to...

Common name: Sea Holly A beautiful ornamental thistle with vibrant deep blue flowers carried on sturdy, dark blue stems in summer.  Loved by bees and flower arrangers! Great for dried flower...

Common name: Sea Holly A beautiful ornamental which bears particularly large, striking metallic-blue flowers throughout summer and into autumn. Average height 2.5ft Full sun Hardy   "Loved by flower...