Small violet-blue flowers veined deeper blue are cup shaped and produced in mid spring. Short lived perennial to biennial but self seeds. Native from Scandinavia to eastern and central Europe, Balkans. Flowering with in one year. Sow at 55ºF, if no germination after 4 weeks, Move to 24-38F for 6 weeks, then back to 55F. High temps will prevent germination.