Definition of Miss Willmott's ghost in English:

Miss Willmott's ghost

noun

  • A tall biennial Caucasian eryngium, Eryngium giganteum, grown for its silvery-green flower heads.

Origin

1950s. With reference to Ellen Ann Willmott, English horticulturist, who was reputedly in the habit of sowing the plant in gardens as a memento of her visits.