A bean plant cannot survive with strictly moonlight. Beans require copious amounts of light to germinate and grow. Too little light results in mold growth on beans germinated indoors inside plastic bags, according to the University of California. Plants grown in too little light often become leggy with fewer blooms, according to Texas A&M University.
About this Author
Lisha Smith writes for several blogs and has freelanced for six years. She has a Bachelor of Arts from UNC-Greensboro in psychology. Smith has self-published several books. Her areas of experience include gardening, cooking, home improvement, pets and mental health.