This outstanding winter hardy variety produces uniform, erect plants. They mature from the end of January to start of March depending upon the sowing date and location. The stems are easy to pick with excellent colour and medium to large heads with 8-15cm stem diameter. It is generally best for one main pick with a follow-up secondary pick after 10…
Black Jack F1 has very uniform, thin, dark and well textured leaves which are perfect for bunching and also help ensure the plant is less susceptible to wind damage compared to OP types. This plant has a neat, rosette shaped uniform plant habit which is easy to harvest.