When they are ready to ripen, they will do so without this attempt to force them to do something which they are not ready for.
I think your problem is that your Toms as yet are too immature (small) and too early to ripen. Keep feeding them according to the instructions on the Tomato fertiliser every 4 days.
I agree generally. The toms in the photo look don't look close to maturity. And temperature is the key to ripening. Optimum temps are low-20sC and above.
One thing, though. Cut back on the fertilising. The closer to maturity the fruit gets, the less nutrition they take from the plant. During ripening, they actually take virtually no nutrition from the plant.
And it does not look as though the plant has enough support. As the tomatoes ripen they will get heavier and the plant will break. Maybe you are using green string and I can't see it!
They should by now if you've had decent temperatures. Ripening is all about temperature. Anything from the low-20s upwards is optimum. Lower than that, they will take longer. The process starts with them changing from their immature dark green to a lighter and lighter green before the colour kicks in.
Different varieties also take different times to maturity. What are you growing?
I know this sound ridiculous but not sure,using next doors greenhouse and tomatoes planted by the neighbours,I seem to have been given the role of supervisor,never grown tomatoes before but loving it.Thanks for the information.
No problems. Larger-fruited varieties will take a bit longer than smaller ones. The temps should be reasonable in a greenhouse. As a rule of thumb, with reasonable temps, they should take (very roughly) 4 or 5 weeks to ripen from the time they start to change colour from the original dark green.
wont you get loads of flies if you put a banana there , how tall do the tomatoes plants grow mine seem to be around 5ft at the moment and I only have a few yellow flowers no sign of fruit as yet
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Wrong!!!!!
Always found in women
but never in a man!!!

You definatelyright Swiss Sue ,My Mam used to recite that verse to me when i was a child .
rosytoes.
I agree generally. The toms in the photo look don't look close to maturity. And temperature is the key to ripening. Optimum temps are low-20sC and above.
One thing, though. Cut back on the fertilising. The closer to maturity the fruit gets, the less nutrition they take from the plant. During ripening, they actually take virtually no nutrition from the plant.
And it does not look as though the plant has enough support. As the tomatoes ripen they will get heavier and the plant will break. Maybe you are using green string and I can't see it!
I only said what my Gran used to say: I didn't say if it was right or wrong
Planted tomatoes in April,loads of fruit various sizes,now in August should they showing signs of ripening?
Anne C
They should by now if you've had decent temperatures. Ripening is all about temperature. Anything from the low-20s upwards is optimum. Lower than that, they will take longer. The process starts with them changing from their immature dark green to a lighter and lighter green before the colour kicks in.
Different varieties also take different times to maturity. What are you growing?
I know this sound ridiculous but not sure,using next doors greenhouse and tomatoes planted by the neighbours,I seem to have been given the role of supervisor,never grown tomatoes before but loving it.Thanks for the information.
No problems. Larger-fruited varieties will take a bit longer than smaller ones. The temps should be reasonable in a greenhouse. As a rule of thumb, with reasonable temps, they should take (very roughly) 4 or 5 weeks to ripen from the time they start to change colour from the original dark green.