Sow end March - April. Sow seeds in a seed tray cover seeds with 0.3 - 0.5 cm moist compost.
Transfer seedlings into small pots. Grow the plants on in a warm places and place outside only in June or plant in a greenhouse at a spacing of 25x25cm. Harvest in July by cutting of the top of the main shoot. The plant will produce side shoots for a later harvest