most cacti are grown as houseplants with little changes in temperature throughout the year and in this way over the years the plants tend not to follow the right seasonal cycle and do not produce flowers to get a full spring bloom it is important that the plants are in the right seasonal cycle with a succession of spring summer autumn and winter for this to happen you cannot grow them permanently in the apartment since they require a period of time in the cold so that they will go dormant in winter followed by vegetative growth in spring if you have a cold greenhouse you put your cacti in it from October to March otherwise you can place them in an area of the house that is not heated such as a light stairwell during the dormant period most cacti can withstand temperatures well below zero but it is essential that they are not watered in this period so already from the end of September you should suspend watering and position your cacti somewhere cool or cold with their earth completely dry watering will resume with a rise in temperature in April to May in order to encourage the development of flower buds you