Opuntia quimilo (Sunset: 8,9, 11-24; USDA: 9-10. Full sun. Heat tolerant. Little water. Hardy to 22°F. Grows to 6' tall. Origin: Bolivia (Tarija), Paraguay

Opuntia rufida (Blue) Sunset:11-13; USDA: 8b-10. Full sun. Heat tolerant. Little water. Hardy to 15°F. Grows to 4' tall. Origin: southwestern Texas and northern Mexico.

Opuntia rufida (Purple variety) (Sunset:11-13; USDA: 8b-10). Full sun. Heat tolerant. Little water. Hardy to 15°F. Rapidly grows with water to 6' tall; 8' spread. Origin: south central Texas.

Opuntia scheeri. Full sun, frost tolerant. Shrubby, upright prickly pear, grows to 8 feet tall. Pink flowers. Origin:Mexico (Queretaro, Guanajuato)

Opuntia streptacantha (Sunset: 8,9, 11-24; USDA: 9-10). Full sun. Heat tolerant. Little to no water. Hardy to 22°F. Tree like opuntia grows to 16' tall. Origin: Mexico.

Opuntia violacea var. macrocentra (Texas santa rita). Sunset: 10-13,18-21; USDA: 8b-11. Full sun. Heat tolerant. Little to no water. Hardy to 5°F. Grows to 3' tall 6' spread. Yellow flowers, red highlight. Origin: Texas, New Mexico, eastern Arizona, northern Mexico.

Opuntia violacea var. santa rita (Purple prickly pear). Sunset: 8-10, 12-24; USDA: 7-10. Full sun. Heat tolerant. Little to no water. Hardy to 0°F. Grows to 5'. Origin: Texas to Arizona, northern Mexico

Pedilanthus macrocarpus (Lady slipper) USDA: 9-10. Full sun to light shade. Little to moderate water. Hardy to 25°F. Evergreen bush to 5' tall; 6' + wide. Origin: Mexico (Sonora, Baja California).

Portulacaria afra (Elephant Bush), Sunset: 8,9,12-24; USDA: 10. Light shade in Phoenix. Heat tolerant. Moderate water. Hardy to 30°F. Small tree or succulent shrub to 8' tall. Origin: South Africa.

Stenocereus alamosensis (Octopus cactus). Syn. Rathbunia alamosensis. USDA: 9b-10. Full sun. Little water. Hardy to 28°F. Thicket of bending stems, up to 10 ft tall. Tubular pinkish red flowers, attracts hummingbirds. Origin: Mexico (Chihuahua and Sonora)

Stenocereus gatesii. Full sun, Recommended Temperature Zone: USDA: 9b-11 Growth Habits: Tree like cactus, up to 15 feet tall, Slender stems up to 3 + inches in diameter when mature; reddish central spines. Frost tolerates down to 26 deg. F. for short durations. Full sun Origin: Coastal Venezuela and islands nearby, introduced into Mexico.

Stenocereus marginatus (Mexican Fence Post / Organ pipe cactus). USDA: 9b-11. Full sun. Heat tolerant. Little water. Hardy to 23° F. Grows to 20' tall. Origin: Central Mexico

Stenocereus pruinosus, Mexican organ pipe. USDA: 10. Full sun. Heat tolerant. Little to moderate water. Hardy to 23°F. Fast growing to 20' tall. Origin: South-central Mexico.

Stenocereus thurberi (Arizona organ pipe) Sunset: 12-24; USDA: 9b-12. Full sun. Heat tolerant. Little to moderate water. Hardy to 24°F. Grows to 20' tall, multistemed. Origin: Southern Arizona, northern Mexico.

Tephrocactus articulatus var strobiloformis (Pine cone).  Syn:: Opuntia turpinii. Sunset: 8,9, 11-24; USDA: 8b-10. Full sun. Heat tolerant. Little to no water. Hardy to 22°F. Grows to 1' tall. White flowers. Origin: Argentina.

Tephrocactus glomeratus v. longispinus (large grey paperspine) (large grey paper spine). Sunset: 8,9, 11-24; USDA: 8b-10. Full sun. Heat tolerant. Little to no water. Hardy to 22°F. Grows to 1' tall. Origin: Argentina.

Trichocereus brevispinulosus (Indian comb). Full sun to light shade. Heat tolerant. Low water. Clustering columnar cactus, grows to 6' tall. Hardy to 20°F.

Trichocereus peruvianus (Torch cactus) Sunset: 16,17,21-24; USDA: 8b-10. Full sun to light shade. Heat tolerant. Low water. Columnar, cactus grows to 16' tall. Hardy to 18°F. Origin: Ecuador and Peru.

Trichocereus spachianus (Golden torch) Sunset: 11-13; USDA: 9b-11. Full sun to light shade. Heat tolerant. Low water. Columnar, cactus grows to 6' tall. Hardy to 22°F. Origin: Western Argentina, Bolivia.

Trichocereus thelegonus  (Sunset: 16,17,21-24; USDA: 10-12. Full sun to light shade. Heat tolerant. Low water. Trailing cactus, grows to 3' tall; 6' wide. Hardy to 25°F. Origin: Chile.