The best lighting for flowering plants grown indoors comes from broad spectrum fluorescent bulbs. These bulbs produce all colors of the rainbow. Red and blue light are both needed for optimum floral production, according to Colorado State University Extension.
About this Author
Marie Notnats enjoys learning about new topics and teaching people new skills. She has been writing professionally since 2008. She is a professional horticulturist with a Bachelor of Science degree in horticulture from Brigham Young University. She writes for About.com, Examiner.com, eHow, and assorted gardening blogs.