The invention relates to a container (1) for at least cultivating for instance an agricultural or a biological material, the container comprising: a space (7) defined therein for in use accommodating at least the material arranged in the space,—at least one opening providing access to the space; and a closing means (5,9) associated in use with the opening to selectively inhibit access to the space, whereby the closing means exhibit a different permeability during and after initial cultivation.