Echinocactus ingens. (Biznaga Gigante). Synonyms: Echinocactus karwinskii, Echinocactus helophorus, Echinocactus visnaga,
(USDA 9b-11) Hardy to 25 F. Full sun. Regular summer water, dry winter. Yellow flowers. Solitary up to 7' tall, 3' wide. Origin: Central Mexico.

Echinocactus palmeri Syn: (Echinocactus platyacanthus)

Echinocactus platyacanthus. 

Echinocactus species mix. A mix of the following: Echinocactus electracanthus, grandis, grusonii, platyacanthus, ingens, palmeri, platyacanthus.

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

Echinocereus acifer. USDA 9b-11. Hardy to 0° F.  Full sun. Light summer water, dry winter. Usually clumping, often forming large clumps occasionally of several hundreds stems, each stem up to 12"  tall, 3" in diameter . Red or orange flowers with light colored center. Origin: Arizona, New Mexico, northwestern Mexico.

Echinocereus acifer v. ventanensis. 

Echinocereus adustus. Sunset 9b-11; USDA: 8-11. Hardy to 10° F.  Full sun to light shade in hot gardens. Little water, needs porous soil. Solitary, cylindrical, 2 to 8" tall 2 to 5" in diameter. Dark pink to purple flowers. Origin: Chihuahua Mexico. Quantities over 100 ships in 2-3 weeks.

Echinocereus  adustus v. roemerianus. 

Echinocereus aguirrii Tolontongo. 

Echinocereus apachensis. 

Echinocereus armatus. (Echinocereus reichenbachii subsp. armatus). 

Echinocereus blanckii v. leonensis.