Blossfeldia liliputana v. fechseri seeds – the biggest and most beautifull Blossfeldia – Collected at Miraflores/Catamarca Argentina. USDA 8b-10. Cold hardy to 15 deg. F.Light shade. Solitary or clumping miniature cactus, up to 0.5″ in diameter. Small pinkish and white flowers. Blossfeldia are the smallest of the cacti. Native to: Southern Bolivia, northwestern Argentina, at elevations of 4000 to 12000 feet.