Guide to pruning and care of the Dracaena family or Corn plants. Kathryn shows different varieties of the Dracaena Family commonly called Corn plants. Learn how to prune, trim and fertilize this group of plants. The maintenance of these plants is very basic. They can withstand a lot of neglect. When grown indoors they can go up to six weeks without water. The Dracaena family likes low light and makes excellent decorative plants. Enjoy this video!