Yellow Leaves on Tomato Plants
I have a heated greenhouse, and this is my first year growing plants in it. My cherry tomato plants' leaves are turning yellow. I have roma and beefsteak tomatoes growing also but so far they are doing great. There is fruit on the cherry tomato plants, still blooms and producing fruit.
Certified GKH Gardening Expert
There are a number of reasons for leaf yellowing in tomatoes. This article should help with pinpointing and correcting the cause of yours: https://www.gardeningknowhow.com/edible/vegetables/tomato/yellow-tomato-leaves.htm