Look to ensure a distance
3.96 feet (1.22 metres) between seeds when sowing - bury at a depth of at least
0.25 inches (0.64 cm) deep.
By our calculations, you should look at sowing Smi73/7/97 about 35 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Smi73/7/97 is a hardy plant.