SEEDS Cacti "O"
Obregonia denegrii
Opuntia basilaris (Beavertail cactus) Sunset: 12-24; USDA: 9b-12. Full sun. Heat tolerant. Little water. Hardy to 0°F. Slow growing to 2' tall; 4' + wide. Bright purple flowers. Seeds collected near Wickenburg AZ.
Opuntia bentonii
Opuntia chisosensis
Opuntia chlorotica. Sunset: 12-24; USDA: 9b-12. Full sun. Heat tolerant. Little water. Hardy to 10°F. Shrub-like growth from 3 to 5 feet tall. Yellow flowers. Origin: Southwestern USA, Sonora Mexico, Baja California.
Opuntia engelmannii (Engelman prickly pear) Sunset: 8,9, 12-24; USDA: 9-10. Full sun. Heat tolerant. Little to no water. Hardy to 0°F. Grows to 8' tall. Origin: Arizona, California
Opuntia engelmannii v aciculata (Chenille); Sunset: 8-24; USDA: 8-10. Full sun. Heat tolerant. Little to no water. Hardy to 0°F. Grows to 3' tall. Origin: Southwestern USA, NW Mex.
Opuntia engelmannii var. texana; Sunset: 8,9, 12-24; USDA: 9-10. Full sun. Heat tolerant. Little to no water. Used for edible fruit, commerically. Hardy to 0°F. Grows to 8' tall. Origin: Texas
Opuntia erinacea v ursina. Sunset: 12-24; USDA: 9b-12. Full sun. Heat tolerant. Little water. Hardy to 0°F. Trailing cacti grows to 1' tall with a 3' spread. Yellow to red flowers. Origin: Western USA..
Opuntia ficus indica (Cow's tongue). Elongated form. Sunset: 8,9, 11-24; USDA: 9-10. Full sun. Heat tolerant. Little to no water. Hardy to 15°F. Tree like opuntia grows to 20' tall +. Origin: Mexico.
Opuntia lindheimeri
Opuntia littoralis
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. Origin: Texas, New Mexico, eastern Arizona, northern Mexico.
Opuntia macrorhiza. Origin: North of Prescott AZ.
Opuntia orbiculata
Opuntia paraguayensis (Orange tuna). Sunset: 8,9, 11-24; USDA: 9-10. Full sun. Heat tolerant. Little water. Hardy to 25°F. Grows to 6' tall. Origin: Mexico.
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: Mexico.
Opuntia rufida (Blue) Sunset:11-13; USDA: 8b-10. Full sun. Heat tolerant. Little water. Hardy to 15° F. Grows to 5' 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.
Seeds Cacti Opuntia soehrensii
Opuntia Species Seed Mix (Prickly Pear) 8 plus varieties
Opuntia stricta
Opuntia strigil (Marblefruit Prickly Pear). Origin: Texas
Opuntia violacea v. 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
Opuntia viridiflora
Oreocereus celsianus (Old Man of the Andes). Sunset: 10-13; USDA: 8-10. Full sun to light shade. Little water. Hardy to 12°F. Grows slowly to 10'. Origin: Bolivia, Peru, northern Argentina.
Oreocereus hendriksenianus. Sunset: 12-24; USDA: 9b-12. Full sun to light shade in hot gardens. Regular summer water, dry winter. Hardy to 20°F. Columnar cactus to 4' tall. Diurnal red flowers. Origin: Northern Chile, southern and central Peru.
Ortegocactus macdougallii
Tephrocactus articulatus v syringacanthus
Opuntia tephrocactus articulatus v strobiliformis (Pine cone). 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, yellow center. Origin: Argentina. (Syn.: Tephrocactus articulatus inermis)
