1. Spinach seedling refers to a young spinach seedling. It refers to spinach that is in the seedling stage and is still relatively young. It will grow slowly and gradually grow into an edible vegetable spinach.

2, and spinach usually refers to the mature spinach plant has been fully mature, can be eaten as a vegetable, can also refer to the spinach in other growth period. The difference between the two is that spinach seedling refers specifically to young spinach, while spinach can refer to all growth periods of spinach.