expression, ichidan verb
to be in ruins; to be dilapidated; to be desolate
Idiomatic expression literally meaning 'shepherd's purse grows', implying a place is so abandoned that weeds have taken over. Used for buildings, towns, or areas that have fallen into disrepair and neglect.
See also: ぺんぺん草 (ぺんぺんぐさ)
The once-prosperous mining town is now so desolate that shepherd's purse grows there.
廃墟となった遊園地にはぺんぺん草が生えていた。
Shepherd's purse was growing in the abandoned amusement park.