QuestionsHow to growTomatoesGreenhouse GrowingTomato leaves discolouration 0 Vote Up Vote Down Therese Colleran asked 8 years ago I am growing cherry tomatoes in a grow bag. The top level of leaves have a discolouration in comparison to the leaves on the lower level. Is there something wrong here? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Looks like a root problem…possibly too wet and roots have died back … or similar symptoms can appear with sever drought.