Tropical cultivation : cool and dry season in lowland and all the year round in highland. Regular round head, homogeneous white colour, around 0.7 to 0.9 kg, very firm. Nursery (25-30 days) : sow 1 to 2 gr/m2, in rows spaced with 10 cm. Transplant at 5-6 leaves stage, 40-50 x 60-90 cm. Harvest : around 50-60 days from transplant. Tolerance : heat.