Great St. Johnswort  (Giant St. Johnswort)

Hypericum pyramidatum  (also known as H. ascyron)

This handsome and showy plant bears clusters of five-petaled yellow flowers, 2 inches across, much larger than other species of Hypericum. The flowers, which open sequentially from large buds, have a prominent tuft of many long stamens in the center and five styles leading to the ovary.  Foliage is profuse; leaves are large (several inches long), ovate, entire (smooth-edged), closely attached to the stem, and pointed at the tips.


2-6 feet, sun-partial sun.


Summer (June-August).

4 July 2020.

Great St. Johnswort, 30 June 2020.