Curling tomato leaves are your plant's way of telling you something is wrong. When you notice the foliage starting to curl, roll, or twist, it's tempting to panic. But understanding what causes tomato leaves to curl is crucial because different problems require different solutions.
Some causes resolve on their own once conditions improve. Others demand immediate action. Here are the five most common reasons your tomato plants are curling and exactly what to do about each one.
