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.
Try to aim for a seed spacing of at least 2.60 feet (80.0 cm) and sow at a depth of around 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 Heinz 1439 about 42 days before your last frost date.
Transplant out when around 15cm (6 inches) high.
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 Heinz 1439 is a tender plant.Specially designed by Heinz for ketchup, canning, and sauces.