How to sow and grow Savoy cabbage 'Gros des Vertus' in the vegetable garden? SOIL CHOICE: Cabbages like rich, cool, slightly clayey soil. SOWING: Sow cabbage seeds in a seedbed from February to June, then transplant into a cold frame to obtain a strong plant. CULTIVATION: Plant out when the plant reaches 15cm in height, spacing them 60cm apart in the row and 50cm between rows.
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