Stardust Super Flash' is a tender, mound-forming, evergreen perennial, often grown as an annual, with elliptic to lance-shaped, mid- to dark green leaves and slender stems bearing branched clusters of white flowers from late spring into autumn.
Though virtually self-cleaning, can be deadheaded to improve appearance and maintain compact, mounded habit. If overwintered, cut back before taking outdoors in spring after the last frost dat