Photo by Melody

PlantFiles: Organito de VÝbora, Cardoncillo
Peniocereus viperinus

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Peniocereus (pen-ee-oh-KER-ee-us) (Info)
Species: viperinus

Synonym:Cereus viperinus
Synonym:Wilcoxia viperina
Synonym:Wilcoxia tomentosa
Synonym:Wilcoxia papillosa
Synonym:Peniocereus tomentosus

» View all varieties of Orchid Cactus

3 members have or want this plant for trade.

Cactus and Succulents

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

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

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:
Sun to Partial Shade
Light Shade

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

Bloom Color:

Bloom Time:
Late Spring/Early Summer
Mid Summer

Unknown - Tell us

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

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
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 CactusJordi
Thumbnail #1 of Peniocereus viperinus by CactusJordi

By CactusJordi
Thumbnail #2 of Peniocereus viperinus by CactusJordi


No positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral BajaBlue On May 4, 2009, BajaBlue from Rancho Santa Rita, TX (Zone 8a) wrote:

When I saw the spanish name for this plant, I had to smile: it means the small male organ of a snake.

Neutral Xenomorf On Sep 2, 2006, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Another synonym of this plant is Cullmannia viperina.


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

Chandler, Arizona
Bostonia, California

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