Seed is sterile, or will not come true to 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 Jetstar about 42 days before your last frost date.
Plant to the first set of true leaves to promote strong root growth.
As Jetstar is tender, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.United States origin hybrid.
Jet star