Frost Tolerance: 20°F (-7°C)
Origin: USA (New Mexico: Guadalupe Mountains), favors cracks in the rocks at 5000 to 6000 feet elevation (1500-1800 m), it is very rare in the wild.
Growth Habits: Dense clusters, reaching more than 100 stems, each 0.6 to 2.4 inches long (1.5-6 cm), 0.4 to 1 inch in diameter (1-2.5 cm); cylindrical tubercles 0.2 inch long (5 mm); 6 or 7 central spines, 2 mm long; 40 to 90 very small radials
Watering Needs: Comes from an area of summer rainfall, keep drier in winter
Propagation: Seeds (no dormancy requirement, germinate best at 80°F - 26°C), offsets, occasionally grafted
Blooming Habits:
Pink flowers in early May, 0.8 inch long (2 cm), 0.5 inch wide (1.2 cm)
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