My tomato plants are in pots and have suddenly developed tan blotches on the leaves. I see no bugs. The top is worse than the underside. Please help!
Tomato Plants in Pots
Certified GKH Gardening Expert
There a re a number of things that can cause this in tomatoes, some less worrisome than others. This article lists common problems associated with these plants, which should help determine the issue affecting yours: https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-plant-problems.htm