Thanksgiving cactus (Schlumbergera truncata) and Christmas cactus (S. bridgesii) are popular fall- and winter-flowering houseplants. Flower colors (by variety) include red, purple, lavender, cream, and white. Holiday cacti thrive in hanging baskets. The scalped stems and foliage start out growing vertically and weeks later begin to spill over the edge of the pot. Plants flourish for many years if […]