Early (85 - 90 days from germination to technical ripeness) grade . Planting seedlings available in early spring, summer, every 2 weeks . Recommended for year-round growing industrial greenhouses . pick in the cotyledon stage . Bedding scheme 30 x 50 cm . The head is round, largeand very dense, white color, weight 0.4 - 1.0 kg . forming head is closed and non-yellowing leaves . Maturation chorus . Taste good quality . Grade has excellent taste, high in sugar and ascorbic acid . Recommended for fresh consumption, long-term storage in the refrigerator,frozen . Yield 1.0 - 4.0 kg / m 2 .