Try to aim for a seed spacing of at least
1.95 inches (5.0 cm) and sow at a depth of around
0.23 inches (0.6 cm). Soil temperature should be kept higher than
15°C / 59°F to ensure good germination.
By our calculations, you should look at sowing Croxton's Wild about 1 days after your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Croxton's Wild is a hardy plant.