how to poinsettia care
More poinsettia care tips. 1  Display your poinsettia in indirect light for about 6 hours per day. 2  High temperatures will shorten the poinsettiaâs life. 3  Water when the soil is dry to the touch.  Feed blooming poinsettias every 2 to 3 weeks with a water-soluble plant food; water monthly after blooming.