Why do tomato leaves turn yellow and die?
I still get tomatoes but the leaves turn yellow then brown and finally die off!
Certified GKH Gardening Expert
Unfortunately, there are many causes for this depending on exactly, how it looks, and where it occurs. This article will help you to narrow down the possibilities: https://www.gardeningknowhow.com/edible/vegetables/tomato/yellow-tomato-leaves.htm