Eryngium planum | Sea Holly
- Genus: Eryngium
- Cultivar: Planum
- Eventual Height: 80
- Eventual Spread: 45
- Position: full sun, south, east, west
- Evergreen or Deciduous: Deciduous
- Soil Drainage well drained
- Soil PH: acid, alkaline, neutral
- Exposure: exposed
- Hardiness: (H4) Hardy
This is a stunningly attractive plant that bears round sea-blue flowers and deep green, heart shaped, spiney leaves on erect stems in summertime. Eringium planum is a plant choice for flower arranging and stems may also be cut and dried for winter decoration.
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