Try to aim for a seed spacing of at least
3.96 feet (1.22 metres) and sow at a depth of around
0.25 inches (0.64 cm).
By our calculations, you should look at sowing Poulen009 about 35 days before your last frost date.
As Poulen009 is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.