Photo by Melody

PlantFiles: Gray Ghost Organ Pipe, Pitayo de Octubre, Pitaya
Stenocereus pruinosus

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Stenocereus (sten-oh-KER-ee-us) (Info)
Species: pruinosus (proo-in-NO-sus) (Info)

Synonym:Cereus pruinosis
Synonym:Lemaireocereus pruinosus
Synonym:Rathbunia pruinosa
Synonym:Ritterocereus pruinosus
Synonym:Echinocactus pruinosus

Category:
Trees
Cactus and Succulents

Height:
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)

Spacing:
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

Hardiness:
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

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

Bloom Color:
Pale Pink
White/Near White

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Grown for foliage
Evergreen
Blue-Green
Succulent
Rubbery-Textured

Other details:
Drought-tolerant; suitable for xeriscaping
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:
Non-patented

Propagation Methods:
From herbaceous stem cuttings

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds

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By palmbob
Thumbnail #1 of Stenocereus pruinosus by palmbob

By Xenomorf
Thumbnail #2 of Stenocereus pruinosus by Xenomorf

By Xenomorf
Thumbnail #3 of Stenocereus pruinosus by Xenomorf

By Xenomorf
Thumbnail #4 of Stenocereus pruinosus by Xenomorf

By cactus_lover
Thumbnail #5 of Stenocereus pruinosus by cactus_lover

By Xenomorf
Thumbnail #6 of Stenocereus pruinosus by Xenomorf

By ArizonaDee
Thumbnail #7 of Stenocereus pruinosus by ArizonaDee

There are a total of 14 photos.
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Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive smurfwv On Dec 18, 2010, smurfwv from Cabin Creek, WV (Zone 6a) wrote:

I have a bluish cactus thats supposed to be this, but mine is twisting, its not got the straight ribs, its growing in a corkscrew way.

Neutral Xenomorf On Aug 25, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

The fruit of this plant are harvested for food.
Additional synonyms are Cactus pruinosus & Cereus edulis.

Positive palmbob On Nov 16, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Grey green columnar cactus that forms some branches low, but then all columns pretty much solitary up to 20'. RElatively sparsely spined as young plant. Mexican species with only mild cold tolerance. Small white to pinkish flowers bloom at night.

Regional...

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

Chandler, Arizona
Mesa, Arizona
Phoenix, Arizona (2 reports)



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