Start seeds indoors six weeks before last frost date.
Aim to sow 0.39 inches (1.0 cm) deep and try to ensure a gap of at least 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 Garden Leader Monster is a tender plant.