Cacti seeds A
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Acanthocalycium brevispinum
Acanthocalycium catamarcense. Sunset: 16,17,21-24; USDA: 10-12. Full sun in cooler gardens, partial shade elsewhere. Frost tolerance: 15° F. Usually solitary gowth to 5" tall, 4" diameter. Yellow, red or white flowers. Origin: Argentina
Acanthocalycium ferrari. USDA: 8b-11. Frost hardy to 10° F for short durations. Growth Habits: Usually solitary growth to 8" tall, 5" diameter. Summer, regular water; winter little to no water. Yellow or orange flowers, up to 2" diameter. Origin: Argentina.
Acanthocalycium glaucum
Acanthocalycium klimpelianum. USDA: 8-10. Frost hardy to 10° F for short durations. Usually solitary growth to 4" tall, 4" diameter. Summer, regular water; winter little to no water. Full sun to light shade. Large flowers. Origin: Northern Argentina.
Acanthocalycium peitscherianum
Acanthocalycium species mix. A mix of several varieties.
Acanthocalycium spiniflorum
Acanthocalycium spiniflorum var. macranthum - El Alto / Catamarca Argentina
Acanthocalycium thionanthum
Acanthocalycium variiflorum
Acanthocalycium violaceum. (Syn: Acanthocalycium spiniflorum "violaceum") USDA: 8-10. Frost hardy to 25F. Solitary to clumping growth, up to 2' tall, 6" diameter. Regular water summer; winter keep dry. Full sun to light shade. white to violet flowers. Origin: Banos de Zapallar /San Luis Argentina.
Acanthocalycium violaceum var. (Deep violet flower color) San Javier / Cordoba Argentina
Acanthorhipsalis monacantha
Acanthorhipsalis monacantha v. samaipatana
Acharagma aguirreana
Acharagma roseanum
Akersia roseiflora (Syn: Cleistocactus samaipatanus)
Ancistrocactus brevihamatus
Ancistrocactus megarhizus
Ancistrocactus scheeri (Syn. Sclerocactus scheeri) Hardy to 25° F. Full sun to light shade. Solitary columnar or globose up to 6" tall, 4" in diameter. Moderate water spring and summer, no water in winter. Greenish flowers. Origin: Southern Texas, Mexico.
Arequipa erectocylindrica (syn. Oreocereus hempelianus). USDA: 8-10. Hardy to 10° F for short periods. Full sun to light shade, needs protection in hottest desert gardens. Columnar cactus usually clustering, up to 18" tall. Moderate water spring and summer, no water in winter. Tubular red flowers. Attracts hummingbirds. Origin: Peru and Chile, Andes mountains above 5000 ft.
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