Ferocactus glaucescens inermis prolifera originates from central Mexico, inhabiting limestone rocky slopes at 1500-2000 m elevation. It is polycarpic with prolific basal offsets. Notably, it lacks spines, an unusual trait within the Ferocactus genus. Stem globose-cylindrical, up to 40 cm diameter, with 13-15 prominent ribs. Glaucous gray-green epidermis, deepening in winter. Completely spineless. Basal offsets numerous, 5-10 cm long.
Expose to full sun at least 6 hours daily. Water exclusively in spring and summer, avoiding waterlogging. Substrate composed of at least 70% mineral components (pumice, lapilli). Minimum temperature 5 °C. Root rot risk from excess moisture.