My problem (and the same with my friends), is that I’ve got lots of fruits on my tomatoes (some in a greenhouse and some outdoors) and they are just not ripening.
What I would warn against is changing the watering regime @dhowellslondon, because erratic watering creates it's own issues. If they're in a conservatory, you will certainly need to water very regularly, and as Nollie says, that's best done in the morning. Many people overfeed, in the mistaken belief that it will 'help' produce lots of fruit, but it doesn't. The manufatcurers also want people to use lots of food I recently explained the cycle to another poster who was having the same problem. You're simply pushing the plants into thinking they need to reproduce before the end of the season, because lots of food makes the plants a bit lazy. They're quite happy sitting there producing lots of green growth, but we don't want that, we want them to get them to procreate. That's why the food isn't necessary until the fuits are being produced.
Compare it to feeding annual flowers. You want them to produce loads of flowers, so you feed, but we then remove the spent ones to encourage the plant to make more. It's the same thought process for the plant - they both want to procreate - but we manipulate it because we want a different end result
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
Ripening needs warmth, so it's very weather-dependent particularly for the outdoor ones. By this time last year I had some ripe tomatoes but this year, still green (and I only grow the small-fruited tomatoes because I don't have a greenhouse and I don't think large ones would ripen before the frosts come in a typical summer here).
Doncaster, South Yorkshire. Soil type: sandy, well-drained
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Many people overfeed, in the mistaken belief that it will 'help' produce lots of fruit, but it doesn't. The manufatcurers also want people to use lots of food
I recently explained the cycle to another poster who was having the same problem. You're simply pushing the plants into thinking they need to reproduce before the end of the season, because lots of food makes the plants a bit lazy. They're quite happy sitting there producing lots of green growth, but we don't want that, we want them to get them to procreate. That's why the food isn't necessary until the fuits are being produced.
Compare it to feeding annual flowers. You want them to produce loads of flowers, so you feed, but we then remove the spent ones to encourage the plant to make more. It's the same thought process for the plant - they both want to procreate - but we manipulate it because we want a different end result
I live in west central Scotland - not where that photo is...