The invention relates to a device for cultivating plants (growing plants) which can be used inside enclosed spaces but provides an optimum level of care for the plants comparable to that of large greenhouses. Said device for growing plants (1) comprises a plurality of zones: a base zone (4) with connections and devices for supplying water and electricity (24, 25, 26, 27), a growth zone (5) for receiving the leaf-bearing parts of the plants, and a light zone (6) that comprises one or more illumination units (34).