A Christmas cactus thrives when its soil mimics its natural rainforest home—moist, airy, and fast-draining to keep roots healthy. Experts say the best mix uses regular potting soil blended with ...

Talk to Gene Coats for a few minutes about growing cacti and succulents, and he'll mention the soil mix at least a dozen times. "That's how important it is," he said. "Without the right mix, your ...