Tropical cultivation : cool season or in uplands. Very slow growth during hot and wet season. Nursery : (60 to 90 days) sow 2 to 5 gr/m2 in rows distant 20 cm. Transplant (15 to 20 x 20 to 25 cm) : at 5 to 7 mm stem diameter stage, cut leaves and roots of seedlings at 1/3 length. Harvest : 90 to 120 days after transplant.