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.  The estismated age of the 2.5" plants is 15 years old and the 4" plants are 20 to 25 years old. Origin: Texas, New Mexico and Northern Mexico.

Astrophytum ornatum (Monk's hood). Sunset: 11-13,18-21; USDA: 9b-10. Light shade in hottest locations. Heat tolerant. Little water. Hardy to 20°F. Solitary barrel grows to 4' tall; 10" in diameter. Origin: Mexico.

Carnegia gigantea (Saguaro). Sunset: 11-13,18-21; USDA: 9-10. Full sun. Heat tolerant. Little water. Hardy to 15°F. Grows to 50' tall. Origin: Sonoran desert of southwestern USA and Northern Mexico.

Cereus peruvianus monstrose (Sunset: 12-13,16,17,21-24; USDA: 9-11). Mutated form of Cereus peruvianus. Full sun. Heat tolerant. Moderate water summer. Hardy to 25°F. Grows to 16' tall; 8' diameter. Large white nocturnal flowers. Origin: Peru.

Corryocactus melanotrichus (Clustering cereus) USDA: 10-11. Full sun to part sun. Heat tolerant. Little water. Hardy to 30F. Grows to 8' tall. Native to Bolivia.

Coryphantha macromeris (Flabby pincushion). USDA: 8b-12. Full sun to part sun. Heat tolerant. Little water. Hardy to 14 deg. F. Grows to 10" tall; 2' + spread. Purple flowers, edible fruit. Origin: New Mexico, Texas, northeastern Mexico.

Cylindropuntia acanthocarpa (Buckhorn cholla) USDA: 9-11. Full sun. Heat tolerant. Little or no water. Hardy to 15°F. Grows to 10' tall; 10' wide. Native to southern Utah, S.E. California, Arizona

Cylindropuntia acanthocarpa var. thornberi (USDA: 9-11). Full sun. Heat tolerant. Little or no water. Hardy to 15°F. Shrubby cholla grows to 10' tall; 7' wide. Native to southern Utah, S.E. CA, AZ

Cylindropuntia arbuscula (Bush pencil cholla) USDA: 9-11. Full sun. Heat tolerant. Little or no water. Hardy to 15°F. Grows to 8' tall; 8' wide. Native to AZ and Mexico.

Cylindropuntia bigelovii (Teddy bear cholla). Sunset: 10-13. Full sun. Heat tolerant. Little or no water. Hardy to 5°F. Grows to 6' tall; 3' wide. Origin: Arizona, California and Mexico.

Cylindropuntia fulgida (Jumping cholla). Sunset: 10-13. Full sun. Heat tolerant. Little or no water. Hardy to 5°F. Grows to 12' tall; 8' wide. Origin: AZ, CA and Mexico.

Cylindropuntia fulgida mammillata monstrosa (Boxing glove cholla)

Cylindropuntia fulgida var. mammillata (Chain fruit cholla). Sunset: 10-13. Full sun. Heat tolerant. Little or no water. Hardy to 5°F. Grows to 12' tall; 8' wide. Native to Arizona, CA and Mexico.

Cylindropuntia imbricata (Giant tree cholla). Sunset: 8-13. Full sun. Heat tolerant. Little or no water. Hardy to 5°F. Grows to 18' tall; 12' wide. Origin: AZ, CO, KS, NM, OK, TX

Cylindropuntia ramosissima (Diamond cholla). Sunset: 10-13; USDA: 8A-11. Full sun. Heat tolerant. Little or no water. Hardy to 20°F. Shrubby cholla grows to 4' tall; 4' wide. Native to S.W. Colorado, W. Arizona, southern Nevada, eastern Calif., Mexico

Cylindropuntia spinosior (Cane cholla). Sunset: 11-24; USDA: 8-11. Full sun. Heat tolerant. Little or no water. Hardy to 20°F. Tree like cholla grows to 7' tall; 5' wide. Native to AZ, New Mexico, Mexico

Echinocactus grusonii (Golden barrel cacti). Sunset: 11-24; USDA: 9-12. Full sun. Regular water summer. Hardy to 24°F. Grows slowly 3' tall; 4' wide. Yellow flowers.  Origin: Mexico

Echinocactus horizonthalonius var. moelleri (Texas blue barrel) Sunset: 12-24; USDA: 8b-10. Full sun to part shade. Heat tolerant. Little water. Hardy to 14°F. Cylindrical barrel grows to 2" tall; 8" diameter. Origin: Mexico Arizona New Mexico.

Echinocactus texensis (Horse Crippler). Sunset: 10-13; USDA: 5-11. Hardy to 0° F.  Full sun to light shade in hot gardens. Light summer water, dry winter. Solitary when young, slowly clustering, 12" in diameter, 8" high. Pink flowers. Origin: Texas, southeastern New Mexico, northeastern Mexico.

Echinocereus coccineus (Mexican claret cup) 2,3,7,10-24; USDA: 7-11. Full sun. Heat tolerant. Little or no water. Clumping colony slowly grows to 5' diameter; 16" tall. Origin: Southwestern USA, Mexico.

Echinocereus engelmannii (Sunset: 2,3,7,10-24; USDA: 7-11). Full sun. Heat tolerant. Little or no water. Clumping colony grows to 4' diameter; 1' tall. Origin: Southern California, Arizona, southern Nevada, Mexico. This clone from Southern AZ.

Echinocereus pentalophus (Lady finger cactus). Sunset: 12-13; USDA: 9b-10. Full sun to light shade. Heat tolerant. Little water. Clumping colony grows to 1' tall; 3' diameter. Origin: Texas, Mexico.

Echinocereus stramineus (Strawberry hedgehog). Sunset: 9b-13. Full sun. Heat tolerant. Little or no water. Clumping colony grows to 2' tall; 4' diameter. Origin: southwest Texas, New Mexico, Mexico.

Ferocactus acanthodes. Sunset: 8-24; USDA: 9-10. Full sun. Heat tolerant. Little or no water. Hardy to 20°F. Solitary barrel grows to 6' tall; 16' diameter. Native to Arizona, California, northern Mexico.

Ferocactus covillei. Sunset: 8-24; USDA: 9-10. Full sun. Heat tolerant. Little or no water. Hardy to 25°F. Solitary barrel grows to 3 tall; 3' diameter. Native to Mexico.

Ferocactus glaucescens (Blue barrel). USDA: 9b-11. Full sun to light shade. Heat tolerant. Little or no water. Hardy to 28°F. Solitary barrel grows to 2.5' tall; 18" diameter. Origin: Eastern central Mexico.

Ferocactus hamatacanthus ssp. sinuatus (aka Echinocactus hamatacanthus). USDA: 8b-11. Full sun. Heat tolerant. Little or no water. Hardy to 16°F. Grows to 2' cluster. Native Texas, Mexico

Ferocactus herrerae (USDA: 9-11). Full sun. Heat tolerant. Little or no water. Hardy to 20°F. Solitary barrel grows to 6' tall; 16" diameter. Orange to red flowers, large yellow fruit. Origin: Mexico

Ferocactus wislizenii (Fishhook barrel). Sunset: 8-24; USDA: 9-11. Full sun. Heat tolerant. Little or no water. Hardy to 5°F. Solitary barrel grows to 6' tall; 2' diameter. Native to Arizona, northern Mexico.

Lophocereus schottii (Senita). Organ pipe cactus. Sunset: 12-13, 16, 17, 21-24; USDA: 9-11. Full sun. Heat tolerant. Little water. Hardy to 18°F. Branching cactus, each stem can grow to 28' tall, 10" diameter. Small white flowers. Origin: AZ, northwest Mexico