No flower says Christmas like the beautiful poinsettias. Native to Mexico and were first introduced to the United States by Joel Roberts Poinsett, a botanist and the first US Ambassador to Mexico. Â . Poinsettias come in several colors, including traditional red, white, pink, burgundy, marbled, and speckled. Place in good light but avoid direct sunshine. Normal room temperature or slightly cooler (50-70 degrees) is best. Avoid cold drafts or excess heat from air vents, applian