National Poinsettia Cultivar Trials - Established in an effort to bring a thorough body of research and information to poinsettia growers across the country. Includes photographs of a number of poinsettia verities.
Pampering Your Poinsettia - Considers the plant's legend and offers tips on how to choose one and care for it.
Poinsettia Pages, The - Learn about the history, legends, selection, and care of poinsettias, the perennial flowering shrub that is native to Mexico. Also includes instructions for reflowering.
Poinsettia: The Christmas Flower - Includes a story describing the history of the poinsettia and also provides descriptions of the major diseases that attack and blemish the red flowering plant. From the American Phytopathological Society.
Poinsetting It Out - Urban Legends Reference Pages article that examines the origins of the myth that poinsettias are poisonous to humans.
