The Christmas cactus is an unusual twist on the traditional festive houseplant. Similar to the classic Poinsettia, it booms deep red and pink flowers against green foliage, and the festive flowers ...

A Christmas cactus drops leaves when it's overwatered or underwatered. Keep soil slightly damp with good drainage, and water only when the top inch or two dries. Pests can also cause leaf drop, so ...