Because of their deserted origin, cacti practically do not need watering. Therefore, this should be done rarely, but abundantly. The best months for this -from March to October. Watering is best done with the onset of twilight. A sign of another irrigation is the complete drying of the soil. Use soft and warm water, you can at room temperature. And softness can be achieved by defending, boiling or passing through filters for water purification. Blooming cacti need more frequent watering. And faded areas must be immediately removed. Top dressing is carried out with special fertilizers only once a month.