Not all cacti are from the desert! Some live in tropical forests, adapted for far less light and far more moisture than their desert brethren. Orchid cactus, Christmas cactus, and many others are epiphytic tropical plants, offering indoor gardeners an interesting alternative to the hot and dry-loving cacti we all know and love… And offering Matthew a chance to talk about his current favorites, the zig zag and fern leaf cactus! OK?