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Eryngium planum

Eryngium planum

Regular price £3.25
Unit price  per 
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Plant name: Eryngium Planum 

Other name: Sea holly

Category: Compact perennial

Plant familyApiaceae

Light preference: Full sun

Soil preference: Loam, sand, chalk; acid, alkaline, neutral; well-drained


  • 0.1-0.5 metres height
  • 0.1-0.5 metres spread

Flowering month: July - Aug


Eryngiums make a striking addition to dry, sunny borders and gravel gardens. They have thistle-like flowers, made up of tiny flowers packed together in a tight cluster, surrounded by a ruff of spiny bracts. The flowerheads last well when cut and can also be dried.


For best results grow Eryngium planum in free-draining soil, in a sunny position. Protect from excessive winter wet.