Sea Holly. A perennial with spiny, dark green, veined basal leaves. Branched stems of cone-shaped, bright steel-blue flowers surrounded by spiny steel-blue bracts. Max Height 90cm. Max Spread 45cm. Flowers July to September. Full sun. Hardy. Water thoroughly before planting.
Eryngium x oliverianum
A perennial with spiny, dark green, veined basal leaves. Branched stems of cone-shaped, bright steel-blue flowers surrounded by spiny steel-blue bracts.
Additional information
| Generic | Eryngium |
|---|---|
| Species | x oliverianum |
| Varietry | |
| Common Name | Sea Holly |
| Flower Colour | blue |
| Soil | Fertile |
| Aspect | Full sun |
| Foliage | Herbaceous |
| Height | 90cm |
| Family | Apiaceae |
| Spread | 45cm |
| Growth Speed | |
| Growth Habit | Clump-forming |
| Fragrance | FALSE |
| Foliage Colour | green, silver |
| Flowers From | July, September |
| 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
Acanthus spinosus
A clump-forming perennial with deeply cut, dark green leaves. Spikes of white flowers with purple bracts produced in summer. .
Achillea filipendulina ‘Cloth of Gold’
A perennial with light green aromatic ferny leaves. Clusters of golden yellow flowerheads produced in summer.
Achillea grandifolia
A perennial with grey-green leaves. Stout stems with white flowerheads.
Achillea ageratum
A spreading perennial with grey-white leaves. Yellowish white loose flowerheads produced in summer.
Acanthus mollis Latifolius
A robust clump-forming perennial with dark green leaves. Spikes of white flowers with purple bracts produced in summer. .
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 millefolium ‘Cerise Queen’
A perennial with dark green leaves. Bright magenta-pink flowerheads.