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 ageratum ‘W B Childs’
A spreading perennial with green leaves White daisy-like flowerheads produced in summer.
Achillea ‘Lachsschönheit’ SALMON BEAUTY
Clump-forming with dark green leaves, many stems of light salmon-pink flowers fading to pinky white.
Achillea ‘Coronation Gold’
A clump forming perennial with evergreen silvery grey leaves. Flat yellow flowerheads.
Achillea ageratum
A spreading perennial with grey-white leaves. Yellowish white loose flowerheads produced in summer.
Achillea ageratifolia
A clump forming perennial with evergreen silvery grey leaves. Flat yellow flowerheads.
Achillea millefolium ‘Sammetriese’
A perennial with dark green leaves. Dark red flowerheads fading to magenta.
Achillea ‘Apfelblüte’ APPLEBLOSSOM
Delicate filigree foliage with light lilac-pink flowers.
Achillea filipendulina ‘Gold Plate’
A perennial with light green ferny aromatic leaves. Flat golden yellow flowerheads produced in summer.