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08 Aug 20 Robyn (Australia - temperate climate)

My cabbages and cauliflowers are not forming hearts this year. They are very healthy looking, lots of leaves, and planted about 10 - 12 weeks ago. What have i done wrong?? Is it lack of sunshine, lack of nutients, or pollination..have bith green and red varieties of cabbage.

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10 Aug 20 Anonymous (Australia - temperate climate)

I am sub-tropical and I'm just finishing picking my broccoli and cabbage. I had a couple of weird red cabbage and ice berg lettuce that were all big leaf and no heart. Same plants right next to each other, one good, one just leaf. If massive leaves then I think too much N fertiliser or just a rogue seed or something. I bought these as seedlings. Talking to an agronomist last week and he said these winter crops need cool/cold weather to form a heart. He said if the weather was hot for week or so when they were to head up then this might have stopped them. I have only grown red cabbage the last 3 years and have a big variation in the size and quality of the heart.

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