My leaves on tomato plants are turning yellow, why?
Yellow Leaved Tomato Plants
Certified GKH Gardening Expert
Typically, this problem is caused by uneven watering. Make sure your tomatoes are getting 2 inches of water a week if in the ground, and if they are in a container, they need to be watered daily. This article should help you: https://www.gardeningknowhow.com/edible/vegetables/tomato/yellow-tomato-leaves.htm