Information from reverse of packet:
Half hardy annual with bronze green foliage and purple stems carrying upright burgundy feathery flowers in summer. Young leaves are edible, as are the seeds. Best in sun and moist well-drained soil.
Sow onto moist compost in containers in spring or autumn at 20°c. Lightly cover seeds with a thin layer of fine grit. Prick out when large enough to handle. Plant out after last frosts.