From South America, most of these (except Nicotiana glauca) are grown as annuals, but they may live over in mild-winter areas. These are upright-growing plants with large, soft, oval leaves; both foliage and stems are slightly sticky. Flowers—very fragrant, in some species—are tubular, typically flaring at the mouth into five pointed lobes; they appear near tops of branching stems in summer. They usually open at night or on cloudy days, though some kinds open during the day. Some nicotianas reseed readily.Nicotiana langsdorfii
To 5 ft. tall, 1 1/2 ft. wide. Branching stems are hung with drooping sprays of bell-shaped bright green flowers. Unusual blossom color blends well with blues, yellows in flower border. No noticeable scent.