Sea Holly - Eryngium alpinum Blue Star, 1 Pack
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Eryngium alpinum ‘Blue Star’ - Sea Holly
A stunning alpine sea holly, Eryngium alpinum ‘Blue Star’ produces metallic steel-blue, spiky flower heads atop strong, upright stems. Blooming from midsummer into early fall, these globe-like blooms (4 cm wide) shine against silvery-green, deeply divided foliage. Reaching 70–90 cm (27–36″) tall with a 45–60 cm (18–24″) spread, it’s ideal for sunny borders, rock gardens, or dramatic cut/dried flower displays. Exceptionally low-maintenance and deer-, rabbit-, and drought-resistant, it thrives in full sun on dry, well-drained soils and is a favorite of bees and butterflies.
- 1 Bareroot
- Metallic steel-blue blooms
- Cut & dried flower favorite
- Deer-, rabbit- & drought-resistant
| Specifications | Details |
|---|---|
| Colour | Metallic steel-blue flower heads |
| Hardiness Zone | 3 - 8 |
| Plant Height | 70–90 cm (27–36″) |
| Plant Width | 45–60 cm (18–24″) |
| Sun Requirements | Full sun |
| Fragrant | No |
| Deer Resistant | Yes |
| Plant Timing | First-year flowering (taproot, best left undisturbed) |
| Bloom Timing | July to August |
| Plant Depth | Crown level |
| Plant Spacing | 45–60 cm (18–24″) |
