| Common Name | Old Man of the Andes |
| Family | Cactaceae |
| Genus | Oreocereus |
| Species | Celsianus |
| Origin | Andes (Bolivia/Peru) |
| Blooming | Summer, red tubular flowers emerge from woolly apex |
| Leaf Color | Green stems with white/grey wool |
| Sunlight | Sun |
| Category | Succulents plants |
| Pet Friendly | No |
Mineral-based cactus mix with high grit content (pumice/perlite) for maximum drainage
Water thoroughly only when soil is completely dry, reduce significantly during winter dormancy period
Requires full sun exposure indoors or outdoors; excessive shade leads to etiolation and loss of wool density
Apply diluted cactus fertilizer monthly during active growth (spring/summer), avoid fertilizing in winter
Minimal; remove dead or damaged canes with sterilized tools to prevent infection
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
Something wrong with your Oreocereus celsianus? Select a symptom to diagnose and fix the issue.
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