The three most common varieties of artificial lighting for indoor growing are high-intensity discharge lamps (the most prevalent for this application being: sodium-vapor lamps for flowering and metal halide lamps for growing), compact fluorescent lamps, and traditional fluorescent lamps.
The most common types of artificial lighting used in indoor plant cultivation are high-intensity discharge lamps (the most prevalent being: sodium-vapor lamps for flowering and metal halide lamps for growth), compact fluorescent lamps, and traditional fluorescent lamps.