A very dark blue form, with a cone of deep violet flowers, surrounded by spiky collars. A great drought tolerant plant.
Eryngium x oliverianum 'Violetta'
Sea holly
Details
| Aspect | Full sun |
| Flower Colour | Blue |
| Flowering Period | Jul | Jul | Aug | Aug |
| Foliage | Not evergreen |
| Goes Well With | Euphorbia, Hylotelephium, Stipa |
| Growth Habit | Clump-forming |
| Hardiness | Fully hardy |
| Height | 70cm |
| Soil | Light, well-drained |
| Spread | 40cm |
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