0.4g (approx. 2000 seeds). (Nicotiana alata) Annual plant with erect stems grows 60-90 cm (24-36 in.) tall. Regular shaped flowers in a variety of colors assembled in loose inflorescences, diameter 6-8 cm (2.5 - 3 in.). During the day, the flowers are closed and open only at nightfall with a pleasant aroma. Blooms from July until frost. Use for group plantings, flower beds and balconies. (Nicotiana alata).