When does this bloom?
Where does this bloom?
8-10, 89-91, 229, 270.6, 351-352, 355-360, 370-375
Sundrop (Oenothera fruticosa) has four-petaled, cup-shaped flowers that appear in profuse clusters with blossoms usually appearing yellow in color. Sundrop can survive cold winters but still needs hot summers days with full sun and well drained soil. It often reaches heights of 6-8 inches.