Try to aim for a seed spacing of at least
5.85 inches (15.0 cm) and sow at a depth of around
0.78 inches (2.0 cm). For optimal germination, soil temperature should be a minimum of
13°C / 55°F.
By our calculations, you should look at sowing Autumn Harvest Blend BT128/P about 14 days before your last frost date.
Autumn Harvest Blend BT128/P is half hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.