Living Rock (Ariocarpus fissuratus): A Camouflaged, Geophytic Cactus Resembling Limestone

Living Rock, also called False Peyote or Star Rock, is a geophytic cactus that grows flush with the ground. Its body is a flattened, rounded rosette of thick, triangular tubercles that are fissured and textured to perfectly mimic the limestone rocks of its Chihuahuan Desert habitat. It has no spines. In autumn, it produces large, magenta flowers from the center. A master of disguise, it’s a prized, slow-growing specimen for collectors.

Taxonomic Profile

Specialized Care

Bright light. Extremely porous, mineral soil (mostly limestone chips). Water very sparingly in summer; bone dry rest of year. Hardy to 15°F (-9°C) if dry. Deep pot for taproot. Very slow-growing. Propagate from seeds (difficult). A connoisseur's plant.