Try to ensure a gap of at least
0.99 inches (2.54 cm) when sowing to prevent overcrowding your seedlings.
By our calculations, you should look at sowing Geant Dore Ameliore about 91 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Geant Dore Ameliore is a tender plant.