Sclerocactus species mix

Selenicereus grandiflorus

Selenicereus hondurensis

Selenicereus species mix

Setiechnopsis mirabilis. Salinas Grandes / Catamarca Argentina

Soehrensia bruchii. Synonyms: Lobivia bruchii, Trichocereus bruchii, Lobivia grandis, Pseudolobivia grandis, Soehrensia grandis, Echinopsis grandis, Trichocereus grandis, Soehrensia ingens, Echinopsis ingens, Trichocereus ingens, Echinopsis formosa bruchii. (Origin: Infernillo/Tucuman Argentina)

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 chrysocarpus

Stenocereus dumortieri. (Syn: Isolatocereus dumortieri). USDA: 10. Hardy to 23°F. Full sun. Heat tolerant. Little to moderate water. Fast growing, tree like cactus. Can reach 50' tall. White flowers. Origin: South-central Mexico.

Stenocereus gummosus Syn: Machaerocereus gummosus

Stenocereus marginatus (Mexican fencepost). Syn: Pachycereus marginatus, Marginatocereus marginatus.

Stenocereus montanus

Stenocereus pruinosus (Stenocereus griseus). 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 queretaroensis. USDA: 9b-11. (SYN: Ritterocereus queretaroensis, Pachycereus queretaroensis, Lemaireocereus queretaroensis, Rathbunia queretaroensis). Light shade to full sun. Hardy to 28°F. Tree-like growth, with stems to 18'. Pale pink flowers. Origin: Mexico.

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

Stephanocereus leucostele

Stetsonia coryne (Argentine toothpick) Sunset: 12-13; USDA: 9-11. Full sun. Heat tolerant. Little to moderate water, summer. Hardy to 18°F. Branching cactus to 20 feet tall. Origin: Low deserts of Argentina, Bolivia.

Strombocactus disciformis

Strombocactus disciformis v. jarmilae

Strombocactus pulcherrimus

Submatucana aureiflora

Submatucana intertexta

Submatucana krahnii

Submatucana madisoniorum

Submatucana madisoniorum v .albiflorum

Submatucana madisoniorum v. asterium

Submatucana madisoniorum v. pujupatii

Submatucana paucicostata

Submatucana species mix

Submatucana tuberculosa