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Perennials, Tropicals > Cephalocereus > Cephalocereus senilis > Cephalocereus senilis

Cephalocereus senilis


Old Man Cactus, Bunny Cactus, Old Man of Mexico, White Persian Cat Cactus




Origin:  Guanajuato and Hidalgo in Eastern Mexico.
Family
Cactaceae
Genus
Cephalocereus
Species
senilis
Category
Perennials, Tropicals
Synonyms
Cactus bradypus, Cactus senilis, Cephalophorus senilis
USDA Hardiness Zone
8a - 11b
Canadian Hardiness Zone
Requires cool season protection under glass.
RHS Hardiness Zone
H4 - H1c
Temperature (°C)
0 - 5
Temperature (°F)
10 - 20
Height
30 cm
Spread
10 - 15 cm
Photographs
Description and Growing Information
Flowering Period
November
Landscape
Informal rock gardens, potted patio or indoor plant or as a specimen.
Cultivation
Plant in loose, well-draining, gravelly, sandy or loamy soils in full sun to partial shade. More sun exposure will induce more growth of the hair-like fibrous coating.
Shape
Upright columnar.
Growth
Slow
Habitat
Dry rocky plains.
Bark/Stem Description
Solitary columns divided into 20 - 30 shallow ribs, carrying a thin yet dense layer of hairlike fibres, with 2cm long spikes underneath.
Flower Description
Small inconspicuous flowers borne at the apex of columns. Will only show if grown outdoors in its natural climate.
Colour Description
Deep green columns covered in whitish-grey hair-like fibres.
Texture Description
Smooth, fuzzy.
Notable Specimens
Centennial Conservatory, Thunder Bay, Ontario, Canada.
Propagation
Division of small columns.
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