0.4g (approx. 100 seeds). (Nemophila discoidalis) Annual flowering plant grows 15-20cm (6-8 in.) tall. Beautiful dark purple to black flowers, diameter 2-3cm (1in.) with a white border around the edges. Shade tolerant plant. Blooms from June until autumn. Use for flower beds, borders as well as in containers. (Nemophila discoidalis).