Ferocactus emoryi is spherical or cylindrical solitary barrel cactus, light green to glaucous, reaching a diameter of 60–100 centimetres (24–39 in) and a height of 2–2.5 metres (6 ft 7 in – 8 ft 2 in).

The central spine is very strong, 4–10 cm long, while the seven to twelve radial spines reach lengths of up to 6 cm.

This species is found in nature in Mexico (Sonora, Sinaloa and Baja California Sur) and in the United States (Arizona).

Ferocactus emoryi grows in the desert scrubs, hillsides, rocky slopes and gravely rocky or sandy soils, at an elevation of about 0–1,200 metres (0–3,937 ft) above sea level.

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