They root from the stem, so they to be able to get access to nutrients and moisture from the soil, as well as a firm position to hold them in place.
Watch out for cabbage white butterflies that lay eggs on the underside of leaves. If you spot a cabbage butterfly caterpillar, pick it off to get rid of them because they’ll feast on your crops. If it becomes a real problem, you can surround your brassicas with an insect-proof mesh or fine net to stop egg-laying.
Sow: February to September
Plant out: March to October
Harvest: January to December
Cut through the stem with a sharp knife to harvest.