Aim to sow
0.47 inches (1.2 cm) deep and try to ensure a gap of at least
11.7 inches (30.0 cm). Soil temperature should be kept higher than
16°C / 61°F to ensure good germination.
By our calculations, you should look at sowing Burpless Bush Hybrid about 14 days after your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Burpless Bush Hybrid is a tender plant.