In a cement pot by Prickly Point This species is a dedicated summer grower, driving its main cellular development and taproot expansion during the high-heat months and seasonal monsoonal rains of northern Mexico. It follows a highly distinct reproductive timeline, waiting until late summer and autumn (September through November) to produce large, striking white-to-pale-pink blossoms directly from the densely woolly center of the apex. As winter approaches, the plant enters a deep, defensive dormancy. Its massive, fleshy tuberous root system contracts, pulling the entire rosette tight against the limestone substrate to endure the cold, dry winter months. In cultivation, it has zero tolerance for stagnant water around its roots; it demands a radically lean, strictly mineral-dominant, alkaline substrate (such as 85% pumice, crushed limestone, and granite grit) and must be watered only when completely dry during the heat of summer, keeping it bone-dry and well-ventilated throughout its winter rest.