Michelle Moore Not all light is the same. Plants respond differently to different colors of light. Light on either end of the spectrum, blue light or red light, have the greatest impact on photosynthe.
Indoor Grow Lights: Two new and better choices, and bulbs, are now available. Old-line fluorescent bulbs are still cheap and easy to find, but bulbs, are up to 40 percent more efficient. Plants get plenty of light when grown within 2 inches beneath bulbs.