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0Cephalocereus senilis (Haw.) Pfeiff.
- Taxonomy
- Family: Cactaceae · Genus: Cephalocereus1
- Native distribution
- Globaluncertain3
- Synonyms
- 2
17 synonyms
- Cactus bradypus Lehm.
- Cactus senilis Haw.
- Cephalocereus senilis (Haw.) K.Schum.
- Cephalocereus senilis cristatus (Mathsson) P.V.Heath
- Cephalocereus senilis fasciatus P.V.Heath
- Cephalophorus senilis (Haw.) Lem.
- Cereus bradypus (Lehm.) Steud.
- Cereus senilis (Haw.) Salm-Dyck ex DC.
- Echinocactus senilis (Haw.) Beaton
- Echinocactus staplesiae Tate
- Euporteria senilis (Phil.) Kreuz. & Buining
- Melocactus bradypus Lehm.
- Melocactus bradypus Lehm. ex Steud.
- Pilocereus senilis (Haw.) Lem.
- Pilocereus senilis cristatus Mathsson
- Pilocereus williamsii Scheidw.
- Pilocereus williamsii Scheidw. ex C.F.Först.
Cephalocereus senilis, the old man cactus, is a species of cactus native to Hidalgo and Veracruz in central Mexico. It is threatened in the wild, but widespread propagation and popularity in cultivation have reduced the demand on wild populations.
Still missing: plant type, natural habitat, height / growth form, flowering period, growth & dormancy period.
Sources (7)
- GBIF Backbone Taxonomy – Cephalocereus senilis · Scientific name · CC BY 4.0
- GBIF – synonyms · Synonyms · CC BY 4.0
- GBIF – distributions (The IUCN Red List of Threatened Species) · Native distribution · CC BY 4.0
- Wikidata – Q312190 · CC0
- Wikimedia Commons – Cephalocereus senilis 16.jpg · CC BY 4.0
- Wikipedia (de) – Cephalocereus senilis · CC BY-SA 4.0
- Wikipedia (en) – Cephalocereus senilis · CC BY-SA 4.0
Automatic data comes from the open sources above, credited per their licences. Care experience is shown separately below.
Tips & experience from members
What worked for you? Your plant’s growing conditions are attached automatically, so others can see who it works for.
No tips for this species yet – be the first to share what worked for you!
How members water it
Not enough logs yet: at least 3 plants with regular watering logs are needed (now: 0). Waterings logged in Care feed this – anonymised and aggregated.
How it thrives
Waterlow
Lightfull sun
Humiditylowgeneral genus data
Min. temperature10 °CNo monthly schedule is shown because cultivar-/species-level data is not yet sufficient. The general values above are guidance only.
Cephalocereus tip: Never spray or wash the white "hair" – water mats it and leaves stains.
Cephalocereus senilis – what to know
Cephalocereus senilis – family: Cactaceae, genus: Cephalocereus. Native range: Global. Care guidelines: light: full sun; water: low; min. 10 °C. It is not known to be toxic to cats or dogs.
All Cephalocereus species in the catalog →Detailed toxicity data →
Frequently asked questions
How often should I water Cephalocereus senilis?
Sparingly: let the soil dry out completely between waterings, and water even less in winter.
How much light does Cephalocereus senilis need?
It needs plenty of direct sun – the sunniest window, or outdoors in summer, suits it best.
How cold can Cephalocereus senilis get?
Keep it above 10 °C – it is frost-tender and needs a frost-free spot in winter.
Is Cephalocereus senilis toxic to cats and dogs?
It is not known to be toxic to cats or dogs.
When does Cephalocereus senilis flower?
According to the general guideline for the genus Cephalocereus: Typical flowering time: June, July.
What members’ data shows
When does it really bloom?
No blooms logged yet. If yours flowers, your data will be the first!
Average watering interval
Not enough watering logs yet. Waterings logged in the care hub feed this chart.
Questions about this species
Data sources: GBIF.org – Cephalocereus senilis (CC BY 4.0) · Wikidata – Q312190 (CC0) · Wikimedia Commons – Cephalocereus senilis 16.jpg (CC BY 4.0) · Wikipedia – Cephalocereus senilis (CC BY-SA 4.0) · Care data is for guidance only.
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