patio tomato plants

Question

The lower leaves on my patio (in pots) tomato plants are turning yellow. From what I read, I gather it is low nitrogen. When can I do to turn that around? I have heard of coffee grounds and lemon juice.

Answer 1

Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/vegetables/tomato/yellow-tomato-leaves.htm