Hydroponic growing systems comprised of light emitting diode (LED) plant grow lights, grow cabinets in the nature of closed environments with integrated misting chambers, and automated controls therefor in the nature of plant growing systems comprised of plant grow lights, plant-growing containers being plant-growing pods, cups, and columns, seeds, growing medium, seed and growing medium inserts, structural components in the nature of columns, towers, bases, boards, blades, and rods, reservoirs, self-watering devices, drain components, pumps, hoses, and automated controls and sensors; Lights for use in growing plants; Light Emitting Diode (LED) plant grow light; and structural accessories thereof