It frequently waters and let the soil dry, though never completely. Excess water can make the roots rot.
The Christmas cactus prefers temperatures between 15 degrees C and 21 degrees C and an average humidity level. It can be a good idea to put a tray of pebbles full of water under the Christmas cactus pot to increase moisture.
Once the flowering of the Christmas cactus (usually in the fall) is over, let the plant complete its dormancy cycle by reducing the frequency of irrigation and light. Make sure that the plant receives at least 12-14 hours of darkness, and a temperature between 10 and 12 degrees C. Keep the plant away from heat (e.g. stoves or radiators) and drafts of cold air.
If cured properly, the Christmas cactus can surprise us with frequent and unexpected flowering cycles.
