Flowers: Nocturnal, white. Cultivation and propagation: summer-growing. It is somewhat rot prone if kept in a non-ventilated place. Growth rate: Slow-growing.
Exposure: It will do its best only with lots of sun. It has a good heat tolerance. Watering: Water regularly in summer, but do not over-water and keep it completely dry during winter. Mature individuals easily rot and die especially after transplanting so be extremely cautious with watering. Keep dry in winter or when night temperatures remain below 10° C. Water it less than average if in bigger pots. Hardiness: These plants tolerate light frost (-2 °C for a short period). They need to be kept in a cool place (min. temperature around 5° C) during winter rest.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz
