Holiday cacti are unique succulent houseplants that bloom in cold weather, and they are simple to grow. Find out how to tell the difference between a Christmas cactus and Thanksgiving cactus, and how to care for them year-round indoors. Get easy holiday cactus care tips for soil, light, water, the best fertilizer for annual blooming, avoiding damaging pests, and much more! Learning everything about growing a holiday cactus will reward you with lots of large, colorful flowers every winter.