A lighting system for temporal, irradiance-controlled photoacclimation includes a photoacclimation controller configured to generate control signals based on a photoacclimation schedule, a user interface configured to receive user input to the photoacclimation controller, the photoacclimation schedule based on the user input, a plurality of luminaires configured to emit light suitable for photosynthesis in plants at a plurality of different selectable levels of light output, and a communications network via which the control signals are provided to the plurality of luminaires, the luminaires adjusting the light output in response to the control signals.