Popcorn (Zea mays praecox) is a specific subspecies of corn (Zea mays). Standard sweet corn is picked while the grains are filling in, according to Ohio State University, while popcorn is allowed to mature on the stalk before harvest. Choose seeds specifically labeled as popcorn for planting.
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.