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Cephalocereus senilis

Old Man Cactus

Old Man Of Mexico, Cabeza De Viejo
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Plant Facts

Scientific Name Cephalocereus senilis
Principal Common Name Old Man Cactus
Common Name(s) Old Man of Mexico, Cabeza de Viejo
Synonym Cactus senilis, Cereus senilis, Pilocereus senilis, Cephalophorus senilis, Cactus bradypus, Echinocactus staplesiae
Description Slow growing to a large column, seldom ramified, 45't by 18" in diameter; 12 to 30 ribs; 1 to 5 central spines, up to 2" long; 20 to 30 hair-like laterals.
General Comments
Nativity Mexico (Hidalgo, Guanajuato)
Height Range 0 - 45 FT
Spread Range 0 - 18 IN
Flower Showy Y
Sunset Zones 11 : 12 : 13 : 21 : 22 : 23 : 24
USDA Zones 9a : 9b : 10a : 10b : 11
Leaf Color White-Gray
Leaf Texture Cactus-like : Hairy
Form Cactus
Flower Color Pinkish White
Flower Time Apr : Spring
Ease of Growing Average
Light Preferences Sun (minimum 8 hours direct sun)
Soil Preferences Well-drained
Watering Preferences Drought Tolerant : Seasonal - summer water
Outstanding Features Container Plant : Form : Oddity : Texture

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