Ferocactus pottsi

Scientific Name: Ferocactus pottsi (Salm-Dyck) Backeberg.
Synonym: Echinocactus pottsii, Ferocactus guirecobensis, Ferocactus pottsii
Family: Cactaceae

Frost Tolerance: Hardy in Phoenix

Sun Exposure: Full sun

Origin: Mexico (Chihuahua, Sinaloa, Sonora), in deciduous vegetation, from 800 to 3300 feet elevation (240 to 1000 m)

Growth Habits: Solitary or occasionally clumping at the base, 3 feet tall (90 cm), up to 18 inches in diameter (45 cm); 20 narrow ribs, slightly tuberculate; elongated woolly areoles, about 0.6 inch long (1.5 cm); 1 central spine, up to 3 inches long (7.5 cm); 3 to 8 radials, 1.2 to 1.6 inches long (3-4 cm).

Watering Needs: Little to moderate water when established

Named for John Potts, manager of a mine in Ciudad Chihuahua.

Blooming Habits:
Yellow flowers