Cephalocereus senilis
Old man cactus, Monkey cactus, Old man's head, Pilocereus senilis
Cephalocereus Cephalocereus
C. senilis - C. senilis is a tender, columnar cactus with spiny ribs and twisting, bristly, white hairs lengthening with age. Funnel-shaped, pink flowers open at night in summer.
Cephalocereus senilis is: Evergreen
Erect
Plant has spines; use extreme caution when handling.
Pink in Summer
Mealybugs Mealybugs
Generally disease-free
Sow seed at 19-24C (66-75F) in spring.
Seed
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Cephalocereus senilis (Old man cactus) will reach a height of 12m and a spread of 2m after 10-20 years.
Conservatory, Containers, Drought Tolerant, Gravel, Indoor, Rock
Under glass, grow in a mix of 3 parts cactus compost and 1 part limestone chippings in full light. Water moderately in growth and feed a low-nitrogen fertiliser monthly. Keep dry in winter. In frost-free areas, grow outdoors in sharply-drained, poor to moderately fertile, slightly alkaline soil in full sun.
Loamy, Sandy
Well-drained
Alkaline, Neutral
Full Sun
South, West
Sheltered
Indoor heated (H1), Tender in frost (H3)
We do not currently have companion plants added for this plant.
Cephalocereus senilis
Old man cactus, Monkey cactus, Old man's head, Pilocereus senilis
Cephalocereus Cephalocereus
C. senilis - C. senilis is a tender, columnar cactus with spiny ribs and twisting, bristly, white hairs lengthening with age. Funnel-shaped, pink flowers open at night in summer.
Mexico
Evergreen
Erect
Plant has spines; use extreme caution when handling.
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Pink in Summer
Generally disease-free
Sow seed at 19-24C (66-75F) in spring.
Seed
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Cephalocereus senilis (Old man cactus) will reach a height of 12m and a spread of 2m after 10-20 years.
Conservatory, Containers, Drought Tolerant, Gravel, Indoor, Rock
Under glass, grow in a mix of 3 parts cactus compost and 1 part limestone chippings in full light. Water moderately in growth and feed a low-nitrogen fertiliser monthly. Keep dry in winter. In frost-free areas, grow outdoors in sharply-drained, poor to moderately fertile, slightly alkaline soil in full sun.
Loamy, Sandy
Well-drained
Alkaline, Neutral
Full Sun
South, West
Sheltered
Indoor heated (H1), Tender in frost (H3)
Zone 11, Zone 10
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This plant likes... | Garden match | |
Soil types: | Loamy, Sandy | Tell us... |
Soil drainage: | Well-drained | Tell us... |
Soil pH: | Alkaline, Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | South, West | Tell us... |
Exposure: | Sheltered | Tell us... |
Hardiness: | Indoor heated (H1), Tender in frost (H3) | Tell us... |
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