Look up St John's wort in Wiktionary, the free dictionary.
St John's wort, Hypericum perforatum, is a flowering plant in the family Hypericaceae.
Saint John's wort or variants may also refer to:
- Hypericum, the genus of plants
- Hypericum pulchrum, slender Saint-John's-wort
See also edit
- Otogirisō, lit. St John's wort, a 1992 sound novel video game
- Otogirisō (film) a 2001 film based on the game