Biznaga de Dulce
Scientific Name: Ferocactus macrodiscus ssp. macrodiscus (Torr. & Grant) Britton & Rose
Synonym: Bisnaga macrodisca, Echinocactus macrodiscus
Family: Cactaceae
Sunset®: 8-24
USDA: 9b-10
Frost Tolerance: Hardy to 25°F (-4°C)
Heat Tolerance: Protect from afternoon sun in summer in Phoenix
Sun Exposure: Light shade
Origin: Mexico (San Luis Potosi, Guanajuato, Oaxaca)
Growth Habits: Barrel cactus, solitary, bluish green stem, 8 to 12 (to 20) inches in diameter (20-30-50 cm); 16 to 21 ribs; areoles with yellow felt; 4 reddish central spines, up to 1.4 inches long (3.5 cm); 6 to 8 radials, 0.8 inch long (2 cm).
Watering Needs: In Phoenix, little to no water when established, outside. Rot prone in winter if kept wet.
Propagation: Seeds
Ferocactus macrodiscus in early March at B&B Cactus Nursery.
The Spanish name comes from the fact that this cactus has been used for making cactus candies.
Blooming Habits:
The unusual, 1.5-inch (4 cm), pink and white striped flowers appear from early spring into summer.
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