The present disclosure describes a horticultural luminaire, a horticultural lighting arrangement comprising a plurality of said horticultural luminaires, and a method for controlling said horticultural lighting arrangement. The horticultural luminaire comprises a main light emitting unit comprising at least one LED for generating a main spectrum, an environmental sensor for measuring environmental data, and control electronics for determining a position data representing position of the horticultural luminaire, sending out the environmental data and the position data, receiving control data, and controlling the emission intensity of the main light emitting unit on the basis of the control data.
