Epostoa lanata
Peruvian Old Man Cactus, Peruvian Snowball Cactus, Cotton Ball Cactus
| Family |
| Cactaceae |
| Genus |
| Epostoa |
| Species |
| lanata |
| Category |
| Perennials, Tropicals |
| Synonyms |
| Cactus lanatus (basionym), Cephalocereus dautwitzii, Cereus dautwitzii, Cereus lanatus, Cereus sericatus, Cleistocactus lanatus, Espostoa dautwitzii, Espostoa sericata, Oreocereus lanatus, Pilocereus dautwitzii, Pilocereus lanatus |
| USDA Hardiness Zone |
| 10a - 10 b |
| Canadian Hardiness Zone |
| Requires cool season protection under glass. |
| RHS Hardiness Zone |
| H2 |
| Temperature (°C) |
| 1 - 5 |
| Temperature (°F) |
| 34 - 40 |
| Height |
| 3 - 7 m |
| Spread |
| 0.18 m |
| General Description |
| Columnar cactus with spines and white wooly hairs. |
| Cultivation |
| Prefers full sun and well drained soil. In summer, fertilizer and wetter conditions are preferred. In winter, it requires rest but the temperature cannot fall below freezing. |
| Shape |
| Quite varied in size and number of spines, known by many names because of this variation. Only branches after several years. |
| Growth |
| Slow |
| Bark/Stem Description |
| There are 18 to 25 ribs. |
| Flower Description |
| Nocturnal flowers, up to 5 cm in diameter. |
| Notable Specimens |
| Centennial Conservatory, Thunder Bay, Ontario, Canada. |