Description
The stem is fan shaped up to 30 cm (or more ) in diameter with age. The cultivars “HAKUUN”
has a characteristic maculated epidermis (with white cloud-like patches) The plant in this page is the nude and variegated form with shining green and yellow epidermis, the common “HAKUUN” instead has the typically white dotted epidermis of Astrophytum myriostigma.
There are several crested forms mainly selected by Asian growers.
Spines: None or very reduced.
Flowers: The flowers are unusual.
Origin and Habitat
Garden origin (Nursery produced cultivar)
Cultivation and Propagation
It is relatively easy to grow. It is usually seen as a grafted plant but grows well on its own roots too. Use mineral well permeable substratum with little organic matter (peat, humus). Water sparingly from March till October, and keep perfectly dry in winter, at temperatures from 5 to 15 degrees centigrade. (but it is Hardy to -7°C for short periods). In the rest period no high atmospheric humidity!! Sun Exposure: Light shade to full sun.
Propagation: They can be propagated easily from graft (usually) or by cutting that root in an unpredictable manner and very slowly.

