| Common Name | Sea Holly |
| Family | Apiaceae |
| Genus | Eryngium |
| Species | Planum |
| Origin | Europe, Western Asia |
| Blooming | Summer to Autumn, often used as cut flower |
| Leaf Color | Grey-green, glaucous |
| Sunlight | Sun |
| Category | Outdoor plants |
| Pet Friendly | Yes |
Well-drained, sandy or gritty soil. Prefers poor to moderate fertility; heavy clay causes rot.
Drought tolerant once established. Water sparingly during dormancy to prevent root rot in winter.
Requires full sun exposure (6+ hours daily) for compact growth and optimal flowering color.
Minimal fertilizer required. Avoid nitrogen-rich feeds which cause floppy stems and reduced blooms.
Deadhead after flowering to control self-seeding. Cut back to ground level after frost in late autumn.
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
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