The best way to grow a Christmas cactus is to provide it with bright but indirect light, warm temperatures, and plenty of water. It should be watered regularly, but be careful not to overwater it. You can also fertilize it with a balanced houseplant fertilizer. When it comes to planting, make sure to use a well-draining soil mix and choose a container that is at least twice the size of the root ball. Finally, be sure to prune the plant to keep it in shape and encourage new growth.