Photo by Melody

PlantFiles: Espostoa
Espostoa melanostele

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Espostoa (es-POS-toh-uh) (Info)
Species: melanostele

Synonym:Espostoa haagei
Synonym:Pilocereus lanatus var. haagei
Synonym:Cephalocereus melanostele
Synonym:Binghamia melanostele
Synonym:Pseudoespostoa melanostele

3 members have or want this plant for trade.

Cactus and Succulents

Unknown - Tell us

18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer

Unknown - Tell us

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From woody stem cuttings
From softwood cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By Xenomorf
Thumbnail #1 of Espostoa melanostele by Xenomorf

By Xenomorf
Thumbnail #2 of Espostoa melanostele by Xenomorf

By Zespri
Thumbnail #3 of Espostoa melanostele by Zespri

By palmbob
Thumbnail #4 of Espostoa melanostele by palmbob

By Xenomorf
Thumbnail #5 of Espostoa melanostele by Xenomorf

By Dobe
Thumbnail #6 of Espostoa melanostele by Dobe

By palmbob
Thumbnail #7 of Espostoa melanostele by palmbob


2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive Mr_Monopoly On Nov 14, 2013, Mr_Monopoly from North Olmsted, OH wrote:

A must have for any collector. One of the more common "old man" cactus that you'll see (more so than C. senilis).

Positive AarronIkarus On Sep 12, 2008, AarronIkarus from Onalaska, WA (Zone 8b) wrote:

This plant is a native of Peru. They tend to grow in a 'shrubby' manner, but the ones I have are all single stalks.

Neutral Xenomorf On Mar 12, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Other valid synonyms are Cereus melanostele, Pilocereus haagei & Cereus haagei.


This plant has been said to grow in the following regions:

Chandler, Arizona
Phoenix, Arizona
San Diego, California

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