Start seeds indoors six weeks before last frost date. Saved seed from hybrid varieties (such as this one) may not grow true to the parent plant.
Sow at a depth of approx. 0.39 inches (1.0 cm) and aim for a distance of at least 0.78 inches (2.0 cm) between Tomato plants. For optimal germination, soil temperature should be a minimum of 12°C / 54°F.Plant to the first set of true leaves to promote strong root growth.
Belle f1 is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside.