Plant cultivation device

A plant cultivation device, comprising:

• an irrigation device;
• a lighting device;
• a receiving space for receiving one or more carrier substrates and seed;
• a control unit arranged to control the watering device and the lighting device by means of a program control;
• wherein the lighting device is variable in its lighting parameters, in that the plant growth promotion device has an optical evaluation unit for determining the plant type and its growth stage, its vitality and for diagnosing mold infestation, and in that the plant growth promotion device adjusts the lighting parameters of the lighting device following a determined correlation between the lighting parameters and the measured photosynthesis rate and/or the measured plant growth, and in that a plurality of light sources above and/or to the side of and/or below the plant are controlled by the control unit in such a way that the direction of growth of the plant along radii of curvature is selected in such a way that the area utilization of the carrier substrates is increased.