If the fall is warm and long, it will often rebloom. |
They are long-lived and will rebloom and sometimes last for years. |
You can try to keep your poinsettia until next Christmas so it can rebloom, but you will have to look at an ugly plant all year and you'll still fail, most likely. |
Granted, they were hybrids in the Wave series, developed by the Ball Seed company to rebloom without constant deadheading. |
If it should stop flowering, cut it back by half and wait for rebloom. |
They bloom for quite some time, and can even be kept over the course of the year to rebloom the following Christmas season. |