Haageocereus achaetus

Haageocereus acranthus

Haageocereus aureispinus

Haageocereus cantaensis

Haageocereus chosicensis

Haageocereus chrysacanthus

Haageocereus chrysothele

Haageocereus divaricatispinus

Haageocereus olowinskyanus

Haageocereus pachycladus

Haageocereus pseudoacranthus

Haageocereus salmonoides

Haageocereus seticeps v. bruneispinus

Haageocereus seticeps v. rufispinus

Haageocereus setosus

Haageocereus species mix

Haageocereus turbidus

Haageocereus unguispinus

Haageocereus versicolor

Haageocereus versicolor v. fuscus

Haageocereus zonatus

Hamatocactus hamatacanthus (Turk's Head).  Syn: Echinocactus hamatacanthus / Ferocactus hamatacanthus. USDA: 8b-11. Full sun. Heat tolerant. Little or no water. Hardy to 16°F. Grows to 2' cluster. Origin: Texas, Mexico

Hamatocactus hamatacanthus v. davisii

Hamatocactus hamatacanthus v. longihamatus

Hamatocactus setispinus. USDA: 9-11. Light shade in hot gardens.  Hardy to 15°F. Water during summer, keep dry winter. Solitary or slowly clustering, up to 4" tall, 3" in diameter. Yellow flowers with darker center. Origin: South Texas, Mexico.

Hamatocactus setispinus v. orcutti

Hamatocactus setispinus v. setaceus. USDA: 9-11. Light shade in hot gardens.  Hardy to 15°F. Water summer, keep dry winter. Solitary or slowly clustering, up to 4" tall, 3" in diameter. Yellow flowers with darker centers. Origin: South Texas, Mexico.

Hamatocactus sinuatus

Hamatocactus species mix. Hamatocactus setispinus v. hamatus, setispinus v. setaceus, sinuatus, uncinatus and others 

Harrisia bonplandii (Eriocereus bonplandii). USDA: 10-12. Light shade in hot gardens. Hardy to 30°F. Water summer, keep dry winter. Mostly erect, stems up to 10' long  up to 2.5" in diameter. Flowers range from brilliant violet to carmine red. Origin: Argentina, Bolivia, Paraguay.