Sunflowers facing the sun is a Positive Phototropism is a response to a response to stimuli that induce only one side. Caused by the hormone auxin (Auxin) because of the influence of auxin distribution changes from normal. When light shines into the plant That the exposure will be minimal because auxin auxin fled to the dark side. So there is a dark side to stretch and grow over the side of the light. Most of the plants are light curves converge. Instead of responding with Negative Phototropism in which the motion of light, like Ben Help Search Calendar purpose of this article is intended to help those interested in sunflower in response to light understanding of sunflowers more.