Plants need light to grow and flourish. Some plants cannot survive outdoors in the winter, and if you do not have a yard, your only choice might be to grow plants indoors. Indoor plant growing can be difficult, though. Positioning your plants in a window does not always provide enough light, and it can sometimes be too much direct light. Grow lights are one solution to indoor plant growing. There are different kinds of grow lights and light system setups that vary according to the type of plant being grown. Use these steps to use the proper grow lights when growing plants indoors.