Growing Cabbage

23 Feb 20 Rsshied (South Africa - Semi-arid climate): Good day. I am growing cabbages,i planted it from the tray that i got form Stodels. I planted it in 1 December 2019 and its heads are looking very small. What should i feed the cabbages with. Thank you.
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24 Feb 20 Another gardener (South Africa - Summer rainfall climate): If planted 1st DEC then they are about 12 weeks old. It says 11-15 weeks. It would depend what kind of cabbage you planted. A small kind or large variety. I grew red cabbage that are suppose to grow to 2-3kg but only grew to the size of small rock melon. You need some nitrogen fertiliser. N is for leaf growth, P for root development and K is for flowering and fruit growth. You should apply these before you plant generally. Too much N and you will have too much leaf. A handful of general fertiliser will cover about 1 square meter. Or place about 2 tablespoons of general fertiliser in 9 l of water and let it sit for a few hours, give a good stir and apply to the plants. It may be a bit late to do too much with your cabbage. Give it a go though.
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