Aim to sow
5.85 inches (15.0 cm) deep and try to ensure a gap of at least
11.7 inches (30.0 cm).
By our calculations, you should look at sowing Klondike Golddust about 14 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Klondike Golddust is a tender plant.