A system (100) for producing a plant (35), the system having an indoor environment, a plurality of plant holders (1) for growing and transporting a plant therein, a controller (105) for at least controlling temperature and humidity in the indoor environment. The plant holder has a semi-permeable foil (20) defining a non-planar boundary of an interior space and an exterior space, a reservoir (2), having an amount of liquid for feeding the plant. The reservoir (2) and the semi-permeable foil (20) are arranged to allow the plant to grow in the interior space. The semi-permeable foil (20) has permeation of water vapor.