Pak Choi Red Choi F1 is a vegetable with amazing colour and great flavour for salads or stir-fries. It's ideal for baby leaf salads and is slow to bolt. This variety has an amazing colour and great flavour ideal for salads or stir fries. Sow outdoors thinly from February to... Vibrant and versatile, Red Choi F1 Pak Choi brings both colour and flavour to your culinary creations. Perfect in salads or stir-fries, this slow-to-bolt variety is also ideal for harvesting as baby leaves.