Try to aim for a seed spacing of at least
1.46 feet (45.0 cm) and sow at a depth of around
0.98 inches (2.5 cm). Soil temperature should be kept higher than
18°C / 64°F to ensure good germination.
By our calculations, you should look at sowing Success PM Yellow Straightneck about 14 days after your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Success PM Yellow Straightneck is a tender plant.