Andrea, there could be a few reasons foro this: Did you use clean containers and starting growing medium? Disease in either could be the culprit. Are the seedlings crowded in the container? Lack of or poor circulation could be the problem. Is soil too wet? Seedlings may be drowning. In anycase, remove the failling seedling.
Andrea, there could be a few reasons foro this: Did you use clean containers and starting growing medium? Disease in either could be the culprit. Are the seedlings crowded in the container? Lack of or poor circulation could be the problem. Is soil too wet? Seedlings may be drowning. In anycase, remove the failling seedling.