Hello

Most of my tomato plants have suddenly gone a bit sickly looking, some outside in pots, the rest in the greenhouse - some are in hanging baskets, the others are in pots waiting to go into a grow-bag. Some of their leaves have gone a bit brownish-yellow like they are burnt / dying. I have been careful not to splash water on the leaves whilst watering so i don't think it can be that, the temp in the greenhouse has been up to about 30 degrees so is it too hot for them - i have been leaving the vents & door open & the windows are on auto-openers. The ones already in the grow-bags seem ok but seem to have come to a halt height wise and they're only about knee high! What am i doing wrong?

Incidently my red robin tomatoes which are in pots in the greenhouse are in full bloom so they seem ok - i'm just waiting for the fruit now!

Many thanks!

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Newbie,
keen but clueless