The Thanksgiving cactus typically blooms once a year, around the time of the Thanksgiving holiday in the United States. The exact timing of the blooming season can vary depending on the plant's care and environment. In general, the plant will begin to produce buds and flowers in the fall, with the blooms typically lasting for several weeks. The flowers are typically bright red, pink, or white and have a delicate, star-shaped appearance. The plant may also produce smaller blooms throughout the year, but the main blooming season is in the fall.