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Plant Profile

Cephalocereus senilis (Old Man Cactus, old man of Mexico, bunny cactus)

Old man cactus is a slender, columnar succulent native to the rocky regions of central Mexico. It is densely covered with long, bristly, grayish white hairs that resemble those on the head of an elderly gentleman. These are pollinated by moths and bats and followed by pinkish red fruits.

  • Landscape Information
  • Botanical Description
  • Horticulture Management
  • By Cliff from Arlington, Virginia, USA [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
  • By Catherine Snodgrass (Old Man Cactus) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
  • By Luis Miguel Bugallo Sánchez (Lmbuga) (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Sadambio at hu.wikipedia (Transferred from hu.wikipedia) [CC BY-SA 2.5 (http://creativecommons.org/licenses/by-sa/2.5), GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], from Wikimedia Commons
  • By Frank Vincentz (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Daderot (Own work) [Public domain], via Wikimedia Commons
By Cliff from Arlington, Virginia, USA [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

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  • French Name: Tête de vieillard

    Arabic Name: صبار الرجل العجوز

    Pronunciation: sef-uh-low-KER-ee-us SEE-nil-is

  • Plant type: Cactus / Succulent

  • Origin: Mexico, South America (Hidalgo, Mexico)

  • Heat Zones: 1 to 16

    Hardiness Zones: 9 to 13

  • Uses: Indoor, Container, Rock Garden

  • Size/Shape

    Growth Rate: Slow

    Tree Shape: Columnar, Upright

    Canopy Symmetry: Symmetrical

    Canopy Density: Medium

    Canopy Texture: Coarse

    Height at Maturity: 8 to 15 m

    Spread at Maturity: 1.5 to 3 meters

    Time to Ultimate Height: 20 to 50 Years

  • By Cliff from Arlington, Virginia, USA [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
  • By Catherine Snodgrass (Old Man Cactus) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
  • By Luis Miguel Bugallo Sánchez (Lmbuga) (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Sadambio at hu.wikipedia (Transferred from hu.wikipedia) [CC BY-SA 2.5 (http://creativecommons.org/licenses/by-sa/2.5), GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], from Wikimedia Commons
  • By Frank Vincentz (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Daderot (Own work) [Public domain], via Wikimedia Commons
By Cliff from Arlington, Virginia, USA [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

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  • Foliage

    Leaf Arrangement : Whorled

    Leaf Persistance: Evergreen

    Leaf Type: Simple

    Leaf Blade: 5 - 10 cm

    Leaf Shape: Linear

    Leaf Texture: Hairy

    Leaf Scent: Pleasant (Sweet)

    Color(growing season): Silver

  • Flower

    Flower Showiness: No

    Flower Size Range: 3 - 7

    Flower Scent: Pleasant (Sweet)

    Flower Color: Pink

    Seasons: Summer

  • Trunk

    Number of Trunks: Single Trunk

    Trunk esthetic Values: Rough Texture, Spines

  • Fruit

    Fruit Showiness: No

    Fruit Size Range: 1.5 - 3

    Fruit Color: Green, Red, Pink

    Seasons: Summer

  • By Cliff from Arlington, Virginia, USA [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
  • By Catherine Snodgrass (Old Man Cactus) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
  • By Luis Miguel Bugallo Sánchez (Lmbuga) (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Sadambio at hu.wikipedia (Transferred from hu.wikipedia) [CC BY-SA 2.5 (http://creativecommons.org/licenses/by-sa/2.5), GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], from Wikimedia Commons
  • By Frank Vincentz (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Daderot (Own work) [Public domain], via Wikimedia Commons
By Cliff from Arlington, Virginia, USA [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

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  • Tolerance

    Frost Tolerant: No

    Heat Tolerance: No

    Drought Tolerance: Yes

    Salt Tolerance: Poor

  • Requirements

    Soil Requirements: Loam, Sand

    Soil Ph Requirements: Acidic, Neutral, Alkaline

    Water Requirements: Low

    Light Requirements: Full

  • Management

    Toxicity: Yes

    Invasive Potential: No

    Susceptibility to Pests and Diseases: Yes

    Mowing Height: 5 - 7 cm

    Pruning Requirements: No pruning at all

    Fruit/ Leaves/ Flowers litter: No

    Life Span: More than 50

    Diseases: Fungus

    Edible Parts: None

    Plant Propagation: Seed, Offset

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