It started with one plant and now seems to be spreading to the rest of them.
You’re probably over watering or have poor drainage which is causing the plant to try and make new roots that are above the wet soil
I didn’t show it in the picture but I plant on a hill so excess water runs off. It’s also been dry the past few weeks. Another thing I’ve noticed is the tips of the leaves are turning black before dying. Is it possible that this is from last month where we had more rain?
The bumps are normal as far as I know.
This is either early blight or wind burn killing the leaves.
It hasn’t been windy here at all. I’ll look into early blight.
The bumps on the stem are likely root initials. They are the earliest stage of development of a tomato’s roots. Most of the time, bumps are not harmful to tomato plants and are considered normal. Root initials emerge on a tomato stem as a result of stress – most often when there’s a limit or blockage in the stem.