ぺんぺん草が生える ぺんぺんぐさがはえる Meanings Expression, Ichidan verb to be in ruins; to be dilapidated; to be desolated (because shepherd's purse is a weed that often grows in abandoned areas) See also: ぺんぺん草 (ぺんぺんぐさ). Kanji 草 grass. Read as くさ. 生 life. Read as はえる. Word lists Idioms Jinuma: Japanese Dictionary · Word lists