Sea Holly. A perennial with rosettes of sharply toothed, glossy mid-green leaves. Branched stems of cone-shaped dark blue flowers surrounded by spiny bracts. Max Height 90cm to 1.2m. Max Spread 45cm. Flowers June to August. Full sun. Hardy. Water thoroughly before planting.
Eryngium planum ‘Seven Seas’
A perennial with rosettes of sharply toothed, glossy mid-green leaves. Branched stems of cone-shaped dark blue flowers surrounded by spiny bracts.
Category: Perennials
Additional information
| Generic | Eryngium |
|---|---|
| Species | planum |
| Varietry | 'Seven Seas' |
| Common Name | Sea Holly |
| Flower Colour | blue |
| Soil | Fertile |
| Aspect | Full sun |
| Foliage | Herbaceous |
| Height | 90cm, 1.2m |
| 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 ageratifolia
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 ‘Coronation Gold’
A clump forming perennial with evergreen silvery grey leaves. Flat yellow flowerheads.
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 ‘Moonshine’
Evergreen, clump-forming, with grey-green leaves Flowerheads are flat light yellow.
Achillea ‘Hoffnung’
Compact, clump-forming with mid-green leaves. Creamy , sand-coloured flowers.
Achillea ‘Fanal’
Mat-forming with greyish green leaves, with bright red flowers.
