| Common Name | Old Man Cactus |
| Family | Cactaceae |
| Genus | Cephalocereus |
| Species | Senilis |
| Origin | Mexico |
| Blooming | Foliage plant, blooms rarely indoors with red/purple flowers in summer |
| Leaf Color | Green stems with dense white spines |
| Sunlight | Sun |
| Category | Succulents plants |
| Pet Friendly | No |
Coarse cactus mix with high mineral content for rapid drainage
Water deeply only when soil is bone dry; reduce significantly during winter dormancy to prevent root rot
Full sun exposure required to prevent etiolation; spines protect against intense radiation
Apply diluted cactus fertilizer monthly during active growth (spring/summer); abstain in winter
Minimal pruning required; remove damaged spines carefully with gloves or tweezers
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 Cephalocereus senilis? Select a symptom to diagnose and fix the issue.
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