Start seeds indoors six weeks before last frost date.
Sow 0.39 inches (1.0 cm) deep with a guideline distance of 0.78 inches (2.0 cm). Soil temperature should be kept higher than 12°C / 54°F to ensure good germination.Plant to the first set of true leaves to promote strong root growth.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Bilder is a tender plant.Variety reportedly from Southeast Asia where it is dated back to at least 120 years.1