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• n  large almost cosmopolitan genus of evergreen or deciduous shrubs and herbs with often showy yellow flowers; cosmopolitan except tropical lowlands and Arctic or high altitudes and desert regions

• Like all plants, hypericum contains a wide variety of compounds, including one that is known to cause sun sensitivity.

• Hypericum
• genus Hypericum

News & Articles

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• Tom Glasgow: Grow St. John’s wort with caution
  We had an exceptionally cool spring this year. And I think it was no coincidence that our St. John’s wort (Hypericum calycinum), also known as Aaronsbeard St. John’s wort, put on the best flower display I’ve noticed in the 10 or 12 years we’ve grown them here at the Agricultural Building.
  June 21, 2013 - New Bern Sun Journal