Eryngium planum (Flat Sea-Holly)
Botanical Information
| Family | Apiaceae |
| Genus | Eryngium |
| Species | planum |
| Category | Perennials |
| Pronunciation |
Details
| USDA Hardiness Zone | 5-9 |
| USDA Hardiness Ref. | |
| Canada Hardiness Ref. | |
| RHS Hardiness Ref. | |
| Height | 90 cm |
| Spread | 45 cm |
| Flowering Period | July, August, September, October |
Description and Growing Information
| Propagation | Sow fresh seed in containers with germination in 1-2 weeks at 65-75°F (18-23°C). |
| Habitat | Central and southeast Europe to central Asia. |
| Leaf Description | Evergreen, oblong, toothed, heart shaped, dark green leaves. |
| Flower Description | Round umbels with blue flowers and blue-green bracts on bright blue stems. Seed heads are attractive, so leave on plant for the autumn garden. |