Eryngium Planum


Eryngium Planum, Sea Holly. A clump forming perennial with spiny, mid-green leaves. Branched stems of cone-shaped, light blue flowers surrounded by spiny blue-green bracts. Flowers can be cut and dried at home in a border. Max Height 90cm. Max Spread 45cm. Flowers July to September.



Plant in dry fertile soil. Full sun, Hardy. Protect from winter wet.


General Herbaceous & Perennial Planting and care

  • Water the pot thoroughly and allow to drain fully.
  • Dig a hole twice the size of the pot being planted and fork over the base. Adding some planting compost.
  • Remove the pot gently, if well rooted cut off the pot.
  • Ensure that the top of the Root ball is level with the surrounding soil.
  • Replace the remaining soil and heel in, water the area thoroughly.
  • Water regular until established.
  • Apply some general fertiliser every spring.