Ensure a distance of
1.95 inches (5.0 cm) between seeds when sowing - look to sow at a depth of approximately
0.98 inches (2.5 cm). Soil temperature should be kept higher than
13°C / 55°F to ensure good germination.
By our calculations, you should look at sowing Tokyo Long White-Bunching about 28 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Tokyo Long White-Bunching is a very hardy plant.