Subscribe to one of our news e-mail lists. But many poinsettia lovers may not know much about their favorite holiday flower.
Poinsettias also come in white, pink, yellow or marbled, but red is the most common color.
Left to grow in the wild in their native Mexico, poinsettias may grow 10 feet tall as large, woody shrubs. CNN's Siobhan Darrow goes to a poinsettia farm. Before they're sold, some growers put the plants through a kind of poinsettia boot camp to determine if they're sturdy enough to make it through the holiday season. Ecke says the plants are tested for their ability to handle hot and cold, too much water and too little water. Ecke knows his poinsettias need to be tough.