Select plants in which these flowers have not opened yet for longest life. Put the poinsettia in bright light but never in full sun. Select areas where the plant will not dry out. If placed in a window, remove it at night so it will not get too cold. Let the soil surface dry slightly between waterings and then water until it runs out of the bottom of the pot.
Poinsettias are very sensitive to environment.
Drafts, cold, heat, dim light, low humidity or improper watering may cause them to wilt or shed leaves and flowers. Amaryllis require bright light, cool conditions and moist soils like other flowering plants. Bulbs bloom four to six weeks after planting. Individual flowers last three to four days but a plant may have two flower stalks with three to four flowers per stalk. Put them outside in the spring and summer.