Start seeds indoors six weeks before last frost date. Seeds saved from this hybrid variety are not likely to grow true to the parent plant.
Ensure a distance of 0.78 inches (2.0 cm) between seeds when sowing - look to sow at a depth of approximately 0.78 inches (2.0 cm). Soil temperature should be kept higher than 12°C / 54°F to ensure good germination.By our calculations, you should look at sowing Park's Early Challenge Hybrid about 42 days before your last frost date.
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 Park's Early Challenge Hybrid is a tender plant.