Just potted up, leaves turning yellow

[jordanleereynols]

Just up potted a week ago and peppers and tomatoes took off and probably tripled in size. Now almost every tomato plant has at least some yellow leaves that are curling up. I may have overwatered them. They are in 4" peat pots and it is hard to keep even moisture by bottom watering. The bottom seems pretty wet and the top seems pretty dry. The plants are about 5 inches tall with at least 2 sets of leaves. On some all the leaves are yellow and on others the bottom leaves are yellow.

Any help is appreciated.

[TZ -OH6]

What potting mix are you using?

[johnny123]

With many plants that is a sign of too much water but with tomatoes it is usually a sign of not enough water.
It can be a sign of many other things like disease, lack of nutrients or lack of nitrogen.

For a test on a few of them try more water and some nitrogen like blood meal.
Just a little blood meal mixed in will do. Don't over do it.

[rainbowgardener]

I'd get them out of the peat pots. If they can't go in the ground yet, put them in something a bit larger and plastic. It is really hard to maintain seedlings in the peat pots.