Avoid keeping your poinsettia in a dark room, and instead put it somewhere where it will get natural daylight - though remember to avoid radiators. 'Poinsettia houseplants haven't gotten used to ...

Look for a poinsettia with dark green foliage that extends down to ... leaves and colored bracts to turn black and drop. The room temperatures should not exceed 70 degrees F.

Then, when it comes to living conditions, indoor poinsettias can flourish at room temperature ... when it's officially dormant, put your poinsettia in a cool, dark place that won't freeze.