Eryngium maritimum (Sea Holly)
Sea Holly, Sea Eryngo, See Eryngium, Sea Holm
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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
Learn How To Plant, Care, and Grow Spectacular Sea Holly (Eryngium)
Attractive, Sea Holly plants (Eryngium) are striking ornamental perennials grown for their arresting, thistle-like, silvery or blue tinted flower heads adorned with a ruff of showy bracts. Blooming in summer and sometimes into fall, they are exceptionally care-free plants if they are given a well-chosen site. Here are some basic rules that need to be followed to enjoy their splendid flowers.Read More
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Requirements
| Hardiness | 5
– 10 |
|---|---|
| Plant Type | Perennials |
| Plant Family | Eryngium - Sea Hollies |
| Exposure | Full Sun |
| Season of Interest |
Summer (Early,Mid,Late) |
| Height | 2' – 3' (60cm – 90cm) |
| Spread | 2' – 3' (60cm – 90cm) |
| Spacing | 36" (90cm) |
| Water Needs | Low |
| Maintenance | Low |
| Soil Type | Sand |
| Soil pH | Alkaline, Neutral |
| Soil Drainage | Well-Drained |
| Characteristics | Dried Arrangements, Cut Flowers, Showy, Semi-Evergreen |
| Native Plants | United Kingdom |
| Tolerance | Deer, Drought, Dry Soil, Salt |
| Attracts | Birds, Butterflies |
| Garden Styles | Coastal Garden, Gravel and Rock Garden |
Recommended Companion Plants
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Find In One of Our Guides or Gardens
, blooming far too early Optimized.webp)
By P. Qvist, Karin de Jonge-Fotografie /Shutterstock, (c) Gerhard Bock, SucculentsandMore.com
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Requirements
| Hardiness | 5
– 10 |
|---|---|
| Plant Type | Perennials |
| Plant Family | Eryngium - Sea Hollies |
| Exposure | Full Sun |
| Season of Interest |
Summer (Early,Mid,Late) |
| Height | 2' – 3' (60cm – 90cm) |
| Spread | 2' – 3' (60cm – 90cm) |
| Spacing | 36" (90cm) |
| Water Needs | Low |
| Maintenance | Low |
| Soil Type | Sand |
| Soil pH | Alkaline, Neutral |
| Soil Drainage | Well-Drained |
| Characteristics | Dried Arrangements, Cut Flowers, Showy, Semi-Evergreen |
| Native Plants | United Kingdom |
| Tolerance | Deer, Drought, Dry Soil, Salt |
| Attracts | Birds, Butterflies |
| Garden Styles | Coastal Garden, Gravel and Rock Garden |
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