Highly ornamental, Eryngium maritimum (Sea Holly) is a semi-evergreen, clump-forming perennial with rosettes of waxy, spiny, blue-gray leaves adorned with white veins. In summer, the stiff stems boast thistle-like, blue flower heads adorned with collars of spiky bracts. Native to the sandy beaches of Europe, Sea Holly appreciates sandy and sunny conditions. Perfect for coastal areas and rock gardens.
- Grows in clumps of stiffly erect, branched stems up to 24-36 in. tall and wide (60-90 cm)
- Performs best in full sun in sand dunes or shingle. Drought tolerant.
- Excellent choice for gravel gardens and coastal gardens. May be planted as a single specimen or in groupings. Perfect for cut or dried flower arrangements too!
- Propagate by seed in fall
- Native to Europe