Hypericums all have bright golden yellow flowers of a distinctive angled shape, and they have a great habit of flowering over a long period. The hypericum best known in gardens is the tall shrub ...

Q: The bank in front of our house has always been covered in St. John’s wort. Loved it … but suddenly a couple of years ago, it was overcome with rust. Is there a solution? A: Hypericum rust moved ...

Talk about multi-tasking. A new study reveals that in the St. John's Wort plant, Hypericum calycinum, the same chemical not only attracts pollinating insects but also deters herbivores that pose a ...