Brilliant burgundy outer leaves, pale green heart, 19th century French heirloom. Heads 15-20 cm. Good flavour in summer but will bolt.
One of oldest, most popular salad vegetables, spread from India in ancient times and enjoying a resurgence. Varieties available for all seasons. Mostly dislikes very hot conditions and will tolerate some shade. Rich well drained soil. Best on near neutral soils. 600-1000 seeds per gram