Cabbage Seeds - Pak Choi - Petite Star - Hybrid. Non-GMO. Annual. Brassica rapa Chinensis group. 45 days. Cool-warm season. This popular baby shanghai pak choi (Shanghai Miao) grows fast and matures early. Harvest when 4-5" tall, this dwarf-type hybrid is compact and has good weight. When cooked, its tender green leaves and crispy green petioles have excellent flavor. It can tolerate warm and cool temperatures. Excellent variety for fresh market and home gardens. ~ 10,250 seeds per oz.