Hypericum tetrapterum. Yellow flowers seen June-September, The stems are square in cross section, with conspicuous wings at the corners.
Latin Name: Hypericum tetrapterum
Common Name(s): Square Stemmed St. Johns Wort
Plant Type: Perennial
Habitat: Moist Soil/Terrestrial Plant - Zone A
July - September
Its common names include St. Peter’s wort, Peterwort, square stemmed St. John’s wort, and square stalked St. John’s wort. It is also common in damp habitats such as marshes, streamsides, open ditches, meadows, and springs.
9cm Pot, Superplugs, Wildflower Plugs