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Devil Cholla, Stanly's Club Cholla
Scientific Name: Grusonia emoryi Engelm.
Synonym: Opuntia emoryi, Opuntia stanlyi, Corynopuntia stanlyi, Grusonia stanlyi
Family: Cactaceae

Show Larger Picture Opuntia stanlyi at the Desert Botanical Garden

Recommended Temperature Zone: sunset: 10-13 USDA: 8b-11 Minimum Avg. Temperature: 50°F (10°C) Heat Tolerance: Water some in Arizona in summer to keep lush Sun Exposure: Full sun Origin: Plains and mesas, USA (Arizona, southwestern New Mexico), Mexico (Baja California), 2500 to 4000 ft. elevation Growth Habits: Shrubby cactus, up to six inches high (15 cm), rarely to 1 foot (30 cm), forms mats up to 7 feet across (2 m) or more Watering Needs: Little to no water. Propagation: Cuttings

Blooming Habits:
Yellow flowers in late spring, up to 2 inches in diameter (5 cm), 3 inches in length (7 cm). They are followed by a yellow fruit, 2-3 inches long (5-8 cm).