How long should it take for true leaves to appear on tomato seedlings? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: How long should it take for true leaves to appear on tomato seedlings? Can I rescue these seedlings? I planted tomato and pepper seeds on 3/1 using an organic seed-starting mix & following the instructions of your excellent seed starting video. I placed them on a heat mat. Within 4 days, the tomato seeds read more