Nicotiana alata, Nicotiana sylvestris
Start inside 6-8 weeks before planting out. Sow seed on surface or cover very lightly. Provide light and a constant temperature of 21°C (70°F). Transplant after last frost into a full sun or part-shade location. Space ‘Domino’ series 8-12 inches apart. Space ‘Only the Lonely’ 18 inches apart. Water during dry spells and dead-head regularly.