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Ferocactus robustus
Scientific Name: Ferocactus robustus Britton & Rose
Synonym: Echinocactus robustus
Family: Cactaceae

Show Larger Picture Ferocactus robustus in the Boyce-Thompson Arboretum greenhouse

Recommended Temperature Zone: USDA: 9-12 Frost Tolerance: Hardy to 20°F (-6°C) Minimum Avg. Temperature: 50°F (10°C) Sun Exposure: Full sun Origin: South central Mexico (Puebla) Growth Habits: Clumping small barrel cactus, 8 inches in diameter Watering Needs: Little water when established Propagation: Seeds, offsets

Blooming Habits:
Yellow flower, 1.5 inches in diameter (4 cm)