Ferocactus hamatacanthus ssp. sinuatus

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