Ferocactus emoryi occurs in Mexico (Sonora) as well as in Arizona in the USA.
It is a large growing globular cactus eventually becoming columnar with age. Ferocactus emoryi can reach a height of about 1.5 meter.
Adult plants prefer full sun, while seedlings should be shaded.
The cactus flowers in summer and the flower colour can be red or yellow.
The given minimum temperature in some literature is 10 degrees Celsius. At Leopoort in the Southern Cape our adult plants have regularly withstood temperatures of -3 Celsius in midwinter, sometimes even lower, with no harm done. The plants should be watered mostly in summer and very sparingly (if at all) in winter.
The plants prefer a porous slightly calcareous soil.
Ferocactus emoryi is usually a solitary species and can only be propagated from seed.
Ferocactus emoryi flowering in cultivation.
Ferocactus emoryi flowers.
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