approx. 900 s/g
Used to grow blanched “Witlofs”.
Sow seed 2 cm deep, thinning to 15 cm apart. Dig roots in autumn, cutting tops to within 5 cm. of the root. Place upright in large box of loose soil, keeping dark until hearts or “chicons” form. Expect germination in around 10 days at 18 deg.C. soil temp.