Perennials, Tropicals > Cephalocereus > Cephalocereus senilis > Cephalocereus senilis
Cephalocereus senilis
Old Man Cactus, Bunny Cactus, Old Man of Mexico, White Persian Cat Cactus
Origin: Guanajuato and Hidalgo in Eastern Mexico.
| Family |
| Cactaceae |
| Genus |
| Cephalocereus |
| Species |
| senilis |
| Category |
| Perennials, Tropicals |
| Synonyms |
| Cactus bradypus, Cactus senilis, Cephalophorus senilis |
| USDA Hardiness Zone |
| 8a - 11b |
| Canadian Hardiness Zone |
| Requires cool season protection under glass. |
| RHS Hardiness Zone |
| H4 - H1c |
| Temperature (°C) |
| 0 - 5 |
| Temperature (°F) |
| 10 - 20 |
| Height |
| 30 cm |
| Spread |
| 10 - 15 cm |
Photographs
Cultivars
click to expand
Description and Growing Information
Flowering Period
| Landscape |
| Informal rock gardens, potted patio or indoor plant or as a specimen. |
| Cultivation |
| Plant in loose, well-draining, gravelly, sandy or loamy soils in full sun to partial shade. More sun exposure will induce more growth of the hair-like fibrous coating. |
| Shape |
| Upright columnar. |
| Growth |
| Slow |
| Habitat |
| Dry rocky plains. |
| Bark/Stem Description |
| Solitary columns divided into 20 - 30 shallow ribs, carrying a thin yet dense layer of hairlike fibres, with 2cm long spikes underneath. |
| Flower Description |
| Small inconspicuous flowers borne at the apex of columns. Will only show if grown outdoors in its natural climate. |
| Colour Description |
| Deep green columns covered in whitish-grey hair-like fibres. |
| Texture Description |
| Smooth, fuzzy. |
| Notable Specimens |
| Centennial Conservatory, Thunder Bay, Ontario, Canada. |
| Propagation |
| Division of small columns. |
top