The current invention relates to a container (300, 51) for raising a plant (351) that is manufactured from flexible plastic foil material in which a moisture - absorbing substrate (340, 59) is contained. The container has an essentially bar- shaped shape, with a base (53) with a surface of at the most 25 x 25 cm, at least on side wall (52a - 52d) and a top with at least one feed- through aperture (56, 57) through which a seed or seedling is put into the container in use. The invention also relates to a method for raising plants in said container.