For use from December. Uniform habit, & very firm, hardy heads with leaves like savoys. Winter maturing (28-32 weeks maturing). RHS Award of Garden Merit winner. Recommended by the National Institute of Agricultural Botany.. Average Packet Content 70 seeds. For early crops sow under glass at 10-15°C (50-60°F) in February. For use in late summer, autumn & winter sow March-May outdoors. For use April-May choose varieties bred specifically for sowing in autumn..... HEALTH BENEFITS: A good source of vitamins A & C. CULINARY TIPS: Use all the healthy outer, darker green leaves, as they contain most nutrients.