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Cleistocactus colademononis

Monkey tail cactus

Collection RecordRehab-02Pot Label#1Pot HistoryP19
Shared rehab cactus planter (#1) shared planter left view on September 16, 2026
Owned plant · © Nick

Species reference · C T Johansson · CC BY 3.0 · Photo Source ↗

Shared container · P19 · #1

Shared rehab cactus planter · P19

3 botanical profiles · one container history

Container details →

Three cactus profiles share one root volume and one watering and weight history. Inspect each cactus, then judge the whole container before watering; a concern with one member is not a separate watering instruction.

One care record: log watering, feeding, weighing, and repotting once for P19. Include a plant's name when an observation concerns just that member.

Measurements and Care History

Weights, watering, events, and charts for P19.

Open Pot HistoryGoogle Sheets

Spot it

What it looks like

Long fingerlike stems trail over the planter edge beneath a dense coat of soft white hairs, turning each green cylinder into a shaggy silver tail.

One curious thing

Did you know?

Its bright flowers carry a swollen nectar-holding spur at the base; Huntington describes that nectar reward as an attraction for hummingbirds.

Explore This Plant

A closer look

How this plant works

Long hairlike spines surround the flexible stems, with growing tips at the ends of the hanging tails.

Botanical anatomy of monkey tail cactus, showing pendant stem, hairlike spines, areole, growing tip with numbered markers.
  1. Pendant stem

    The green cylinder stores water and carries the trailing growth.

  2. Hairlike spines

    Long pale spines create the shaggy surface around the stem.

  3. Areole

    Repeated growth points bear spines and can produce flowers.

  4. Growing tip

    New tissue extends the lower end of the hanging stem.

Anatomy sources: [2][4]

Habitat and origins

Monkey tail cactus grows on Bolivian rock faces. Huntington records the type locality at Cerro El Fraile, Florida Province, at 2,000 m. Its pendant stems naturally hang into the open space below their rooting points.

Habitat sources: [1]

What growth can look like

  1. Stage 1

    Short stem

    Young growth initially makes a compact fingerlike shoot.

  2. Stage 2

    Trailing tail

    Lengthening stems arch over an edge and hang downward.

  3. Stage 3

    Flowering cascade

    An established plant can carry side-borne flowers among the hairs.

Track recovery by the diameter, hair density, and spacing of spines on the newest tips.

Growth sources: [2]

Flowers

Red to pink flowers emerge from the stem sides; the collection has an observed red-orange bloom. Their asymmetrical base holds nectar in a swollen spur, attracting hummingbirds.

Sources: [1][2]

As it matures

Cultivated stems can trail about 1 m, creating a hanging curtain that needs clear space below the pot.

Sources: [2]

Behind the name

Residents near Samaipata already called it cola de mono, or monkey's tail, before its botanical description in 2003.

Sources: [1]

Similar plants, useful clues

Compact woolly Espostoa ↗

Espostoa stays upright with dense wool around a column; monkey tail naturally hangs and has long hairlike spines.

Comparison sources: [2][3]

This plant in the collection

Its story so far

  1. Arrived in the shared planter

    Acquired from Gerych's Design as part of the cactus planter now tracked as P19.

    Collection record ↗

Then and now

Shared rehabilitation cactus planter with a tape measure beside the plants
Earliest dated viewPhotographed · © NickOpen photograph ↗
Shared rehab cactus planter (#1) shared planter right view on September 16, 2026
Latest dated viewPhotographed · © NickOpen photograph ↗

Explore the sources

  1. Huntington ISI 2007-03: monkey tail ↗
  2. RHS: Cleistocactus colademononis ↗
  3. RHS: Espostoa melanostele ↗
  4. National Park Service: cactus adaptations ↗

Names and identity

Kind Name
Accepted botanical name Cleistocactus colademononis (Diers & Krahn) Mottram
Common and original vernacular name Monkey tail cactus; cola de mono
Original botanical name Hildewintera colademononis Diers & Krahn
Sometimes sold as Cleistocactus winteri subsp. colademononis

Long pendant stems, dense white hairs, and side-borne red flowers distinguish the monkey tail. Fine spines remain among the hairs; handle it by the pot.

Discovery, habitat, and flowers

The species is endemic to Santa Cruz, Bolivia. Huntington's International Succulent Introductions account says local residents near Samaipata already called it cola de mono—monkey's tail—when botanists documented it. Huntington records its type locality at Cerro El Fraile, Florida Province, at 2,000 m. Its pendant growth suits a rock-dwelling cactus with room to hang over an edge.

Diers and Krahn described it in 2003 as Hildewintera colademononis. Roy Mottram published the accepted Cleistocactus combination in 2006.

RHS describes cultivated stems trailing to roughly 1 m. Bright red to orange-red, asymmetrical flowers emerge directly from the sides of hanging stems and can be followed by rounded fruits. A red-orange bloom observed on this collection plant matched the description; its photograph is no longer available.

Rehabilitation and grow-light care

Topic Practical approach
Current progress Several trims removed stretched growth. Before the indoor move, about a month in bright outdoor shade with brief direct sun produced better new tips. It now grows in the indoor shared P19 planter.
Grow-light position Photo-matched rear center · Mixed. September 15, 2026 photo reference: rear wooden tables, facing the window. Compare both tall columns and trailing monkey tail; pale tissue and short neighbors need separate attention. See the current placement guide; exact exposure remains unmeasured.
Water In warm active growth it may use water sooner than the upright cacti, but the shared planter still needs to dry between soaks.
Habit Let stems trail over a protected edge or move the plant eventually to a hanging pot. Forcing every stem upright fights its normal form.
Winter Bright, cooler, and drier—without hard frost—gives a useful rest and may support flowering.

Old stretched sections remain part of the plant's shape. Judge recovery by the diameter, hair density, and spine spacing of each new tip under its current indoor lighting.

Pruning, propagation, and watch points

  • Make future cuts with a clean blade, let sections callus, and root healthy pieces in an airy mix.
  • Branching after a cut is normal and can create a fuller hanging plant.
  • Avoid frequent small waterings just because the stems are long. Root-zone dryness still controls the schedule.
  • Check the shaded base beneath the decorative moss for softness and mealybugs.
  • Red buds can be hidden by the hairs. During bud development, avoid repeatedly relocating or rotating the planter.
  • Support long stems while moving the pot; a heavy tail can tear at a narrow attachment.

Sources

Through the seasons

Plant Photo History

Full Gyazo Collection ↗

Recent photographs of this plant. Open a photo or its collection for the complete history.

Shared rehab cactus planter (#1) shared planter left view on September 16, 2026
Left panel of the shared rehab planter: the green-yellow variegated blue-torch column and part of the white-haired monkey-tail group. The tallest blue-torch tip is outside the frame; the overlapping right panel shows the rest of the planter.Photographed · © Nick, all rights reservedOpen This Capture ↗
Shared rehab cactus planter (#1) shared planter right view on September 16, 2026
Right panel of the shared rehab planter: the green golden-torch column and overlapping white-haired monkey-tail stems. Tan marks are visible on some monkey-tail stems; their cause and progression are unconfirmed.Photographed · © Nick, all rights reservedOpen This Capture ↗