Old man cactus(Cephalocereus senilis)

Old man cactus (Cephalocereus senilis)

Also known as: Old man of Mexico

Old man cactus (Cephalocereus senilis) is a cactus native to eastern Mexico. Old man cactus is widely cultivated in gardens and as a houseplant, resulting in dwindling numbers of old man cactus that grow in the wild. This species is popular due to its woolly appearance. Old man cactus grows best in well-drained soil and bright sunlight, which cause the hairlike fibers to grow.

In This Article
Care Tips

Attributes of Old man cactus

Lifespan
Perennial
Plant Type
Succulent, Shrub
Plant Height
5 m to 15 m
Spread
15 cm to 30 cm
Leaf Color
Yellow White
Flower Size
5 cm to 8 cm
Flower Color
Pink Yellow

PlantJoy - Identify plants with a snap

Identify and diagnose plants, get toxicity alerts, and explore safety guides for all types of fungi.

Try for Free

Images of Old man cactus

Old man cactus(Cephalocereus senilis)
Old man cactus(Cephalocereus senilis)

Quickly Identify Old man cactus

1
Dense, frosty-white hairy spines give old man cactus a soft, aged appearance.
2
Stems can reach impressive heights of 16 to 50 feet (5 to 15 meters).
3
Nocturnal flowers are solitary, funnel-shaped, and measure 2 to 3 1/2 inches (5 to 9 cm) long.
4
Fruits exhibit a smooth, obovoid shape with a subtle color palette.
5
Stems are cylindrical, unbranched, and covered with fine, white hair-like spines.

Scientific Classification of Old man cactus

Phylum
Vascular plants
Class
Dicotyledons
Order
Caryophyllales
Family
Cactuses
Genus
Cephalocereus
Species
Old man cactus