(This plant comes in a 3.5 inch pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. The plant is shipped in its pot to prevent any damage to the roots).
Flowers: Petals white, pale pink or mauve.
It is summer dormant.
Water requirements. Water from early February to late April, then from early August to late November, at a minimum temperature of +14° C. Keep completely dry in summer and rather dry winter, at a minimum temperature of +8° C.
Exposure: Light shade or morning sun in summer.
Frost Tolerance: Tender, it needs frost protection. Recommended minimum temperature is 8 °C or even above. Protect from frost.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz