Tropical cultivation : all the year round. Nursery (25 to 30 days) : sow 1 to 2 g/m2 with 10 cm distance between rows. Transplant : at 5 to 6 leaves stage, 40 to 50 x 60 to 90 cm. Harvest : 60 to 70 days after transplant. Round slightly flattened head. Tolerance : heat.