Sea holly Eryngium maritimum

Also known as: eryngo

Best time to see: Jul to late Aug

Key facts

An unusual member of the carrot family, having spiny blue-green leaves similar to holly and thistle-like blue flowers

Grows on sand and shingle by the sea

The roots used to be boiled with sugar to make candied eryngoes

  • Main photo
  • flower

Photo © Tony Gunton

Photo © Owen Keen