Sea Holly. A perennial with rosettes of sharply toothed, glossy mid-green leaves. Branched stems of large cone-shaped bright blue flowers surrounded by spiny bracts. Max Height 60cm to 90cm. Max Spread 45cm. Flowers June to August. Full sun. Hardy. Water thoroughly before planting.
Eryngium alpinum ‘Blue Star’
A perennial with rosettes of sharply toothed, glossy mid-green leaves. Branched stems of large cone-shaped bright blue flowers surrounded by spiny bracts.
Additional information
| Generic | Eryngium |
|---|---|
| Species | alpinum |
| Varietry | 'Blue Star' |
| Common Name | Sea Holly |
| Flower Colour | blue |
| Soil | Fertile |
| Aspect | Full sun |
| Foliage | Herbaceous |
| Height | 60cm, 90cm |
| Family | Apiaceae |
| Spread | 45cm |
| Growth Speed | |
| Growth Habit | Rosette-forming |
| Fragrance | FALSE |
| Foliage Colour | green |
| Flowers From | June, August |
| Colour Fruit | |
| Fruits When | |
| Moisture | Dry |
| Protection | Protect from winter wet |
| Hardiness | Hardy |
| Planting | Water thoroughly before planting |
| Care | Keep moist in first year |
| Border | Border, Dried flowers |
| Toxicity | |
| Pruning | |
| Pruning Time | |
| Pests and diseases | |
| Maintenance | |
| Propagation |
Related products
Achillea grandifolia
A perennial with grey-green leaves. Stout stems with white flowerheads.
Achillea ‘Moonshine’
Evergreen, clump-forming, with grey-green leaves Flowerheads are flat light yellow.
Achillea ‘Anthea’
Hybrid with upright silver foilage and pretty primrose flowers
Achillea filipendulina ‘Cloth of Gold’
A perennial with light green aromatic ferny leaves. Clusters of golden yellow flowerheads produced in summer.
Achillea ageratum ‘W B Childs’
A spreading perennial with green leaves White daisy-like flowerheads produced in summer.
Achillea millefolium ‘Red Beauty’
Best red flowering Achillea
Achillea ptarmica
A perennial with dark green finely cut leaves. Bears loose off-white flowerheads.
Acanthus spinosus
A clump-forming perennial with deeply cut, dark green leaves. Spikes of white flowers with purple bracts produced in summer. .