Growing Lettuce

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04 Mar 17 Bev Ayson (South Africa - Semi-arid climate)
My lettuce are growing well except The round head is not forming. I have taken a piece of cotton and tied all the outer leaves lightly together and now I see the inside is forming nicely. What am I doing wrong.
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05 Mar 17 John (Australia - temperate climate)
Sorry you're having trouble with your lettuces. Check whether it is the right variety for the time of year. Unsuitable varieties for the time of year will often stay open and go to seed. Lettuces like cooler conditions generally but there are a number of varieties developed for the hotter months. Warer stress can also cause this even if it was in the punnet before purchase. Trust this helps, sorry I can't help you more.
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