Hamatocactus hamatacanthus ssp. sinuatus seeds

Hamatocactus hamatacanthus ssp. sinuatus seeds.  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