Poinsettias require short days and long dark nights to bloom, starting at the beginning of October for a period of about eight to 10 weeks the plant needs darkness for at least 14 continuous hour each night.
(Poinsettias; require; to bloom) (short days and long dark nights; to bloom; ) (the plant; needs; darkness; T:for at least 14 continuous hour each night)
Poinsettias short days and long dark nights the plant
require to bloom needs
to bloom
darkness T:for at least 14 continuous hour each night