Holiday cacti, whether Thanksgiving or Christmas, put on quite a show about the time most other color is gone. The Thanksgiving cactus (Schlumbergera truncata) and the Christmas cactus (Schlumbergera bridgesii) are closely related.
“Care for them is similar, and to many, it’s hard to tell them apart. However, for those who want to know why their Christmas cactus is blooming in November, the answer might be – because it’s a Thanksgiving, not Christmas, cactus,” said Sallie Lee, a regional Alabama Extension agent in home grounds, gardens and home pests.
Although native to the tropical forests of South America, these plants do nicely in sturdy hanging baskets or containers as the plants can grow quite large. They do fine outdoors away from artificial light until nighttime temperatures dip into the 40s. At that point, bring them inside to a cool area as they do best when temps are between 50 and 65 degrees. Once inside, to help initiate blooming, keep them away from light from 5 p.m. until 8 a.m. Water sparingly, as too much water can cause bud drop and even root rot, so let the top inch of soil become dry to the touch before watering again.
READ MORE at Showtime for Holiday Cactus – Extension Daily