photo #1 Nicandra violacea
Bright blue flower, seedlings have purple stems changing to orange, and purple dots on leaves which slowly disappear.
photo #2 Nicandra physalodes - Pale blue flowers, seedlings have green stems and light green leaves.
These are vigorous plants and will grow to 3 ft. wide x 6 ft. high in full sun. Deadhead the seed pods to maintain continuous flowering. Seeds germinate easily at room temperature.