Why are my tomato's leaves on the bottom turning yellow or white?
Plant Leaves Turning Yellow on Tomatoes
Certified GKH Gardening Expert
Many things can lead to yellow leaves, though white leaves is normally a sign of too much sunlight, especially on young plants, which eventually rights itself. This article will help with other causes: https://www.gardeningknowhow.com/edible/vegetables/tomato/yellow-tomato-leaves.htm