Ariocarpus agavoides (Living rock cactus). USDA: 10-11. Hardy to 26° F. Full sun to light shade, needs protection in hottest desert gardens. Rosette shaped spineless succulent, up to 3" in diameter. Moderate water summer, no water in winter. Magenta flowers, 1.5 inches in diameter. Origin: Mexico. Endangered plant.

Ariocarpus bravoanus

Ariocarpus confusus

Ariocarpus fissuratus (Living rock/ False Peyote). Sunset: 11-13; USDA: 8b-11. Hardy to 25° F. Full sun to light shade, needs protection in hottest desert gardens. Solitary spineless, grows very slowly to 8" in diameter. Little water summer, no water in winter. Pink to Magenta flowers, 1.5 inches in diameter. Origin: Texas, New Mexico and Northern Mexico.

Ariocarpus furfuraceus

Ariocarpus kotschoubeyanus

Ariocarpus retusus (Seven stars). Sunset: 11,13; USDA: 9b-11. Hardy to 27° F. Full sun to light shade, needs protection in hottest desert gardens. Solitary spineless, slowly growing up to 10" in diameter. Little water summer, no water in winter. White flowers with pink stripe in center, 2" in diameter. Origin: Mexico.

Ariocarpus retusus v. pectinatus

Ariocarpus species mix

Ariocarpus trigonus. Sunset: 11, 13; USDA: 9b-11. Hardy to 27° F. Full sun to light shade, needs protection in hottest desert gardens. Solitary spineless, slowly growing up to 12" in diameter, 10" tall. Little water summer, no water in winter. Needs limestone in soil, soil must have good drainage. 1- 2" white to yellowish white flowers with a satin sheen. Origin: Mexico at 2000 to 4000 feet.

Ariocarpus trigonus v. horacekii