Kohl Rabi SUPERSCHMELZ 125 SEEDS £1.70 Quantity: at £1.70 each Add To Basket Green autumn variety that will stay tender to a giant size. Kohlrabi forms a turnip-like swollen stem with a delicate flavour. Sowing instructions: Sow from April on a seed bed or direct into modules or pots. Growing instructions: Plant out six weeks later at a distance of 50x50 cm. Harvest from September. Average contents:125 seeds.