Eryngium pandanifolium (Giant Sea Holly)
Botanical Information
| Family | Apiaceae |
| Genus | Eryngium |
| Species | pandanifolium |
| Category | Perennials |
| Origin | Native to south America. |
| Pronunciation |
Details
| USDA Hardiness Zone | 8b - 9a |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 8b |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H4 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -10 to -5 |
| Temperature (°F) | 14 - 23 |
| Height | 3 m |
| Spread | 1 - 2 m |
| Growth | Fast |
| Flowering Period | July, August, September, October |
Description and Growing Information
| General Description | Dense clumps of spiny leaves surround tall stems with large clusters of small pale flowers. |
| Shape | Bushy. |
| Landscape | Flower border, flower bed, single specimen. |
| Propagation | Propagate by root cuttings, division, or seeds sown in containers. |
| Cultivation | Grow in moist, well-draining, fertile soil under full sunlight. |
| Pests | Susceptible to slugs, snails, Phytophthora root rot, and powdery mildew. |
| Notable Specimens | Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. |
Photographs
.jpg "Eryngium pandanifolium, form.")
Eryngium pandanifolium, form.
.jpg "Eryngium pandanifolium, form.")
Eryngium pandanifolium, form.
Eryngium pandanifolium, flower. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Eryngium pandanifolium, leaf. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Awards
