To provide a seedling-growing apparatus that can inhibit the main root of a seedling from tangling and can inexpensively grow seedlings bearing a large amount of fine roots, fruit vegetable seedlings, leaf vegetable seedlings, flower seedlings and tree seedlings.

One or more pots having the seedling-growing space formed with the sidewall part having the tapered face expanding the diameter toward the upper opening and the bottom face are formed in a case and the air ventilation part is formed at at lesst the sidewall part of this pot.