Photo by Melody

PlantFiles: Woolly Torch, Cabeza de Viejo, Old Man Cactus, Old Man of Mexico, Órgano, Pitayón, Tuno
Pilosocereus leucocephalus

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Pilosocereus (pil-oh-so-KER-ee-us) (Info)
Species: leucocephalus

Synonym:Pilosocereus sartorianus
Synonym:Pilosocereus cometes
Synonym:Pilosocereus maxonii
Synonym:Cephalocereus maxonii
Synonym:Cephalocereus leucocephalus

3 members have or want this plant for trade.

Category:
Cactus and Succulents

Height:
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)

Spacing:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Hardiness:
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

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

Bloom Color:
Pale Pink

Bloom Time:
Mid Summer

Foliage:
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)

Patent Information:
Non-patented

Propagation Methods:
From woody stem cuttings
From softwood cuttings
Allow cut surface to callous over before planting

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

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By cacti_lover
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Thumbnail #7 of Pilosocereus leucocephalus by DaylilySLP

There are a total of 13 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Xenomorf On Sep 15, 2006, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

More synonyms of this plant are Cephalocereus sartorianus, Pilosocereus tehuacanus, Cephalocereus cometes, Pilocereus leucocephalus, Pilocereus tehuacanus, Cereus sartorianus, Cephalocereus tehuacanus, Cereus tehuacanus, Cereus victoriensis, Pilosocereus palmeri var. victoriensis, Pilocereus sartorianus, Cereus leucocephalus, Pilocereus maxonii, Cereus cometes, Pilocereus flavicomus, Pilocereus jubatus & Cereus maxonii.

Positive cacti_lover On Jan 18, 2005, cacti_lover from Henderson, NV (Zone 9b) wrote:

This cactus has a blueish coloring and can reach 20' tall. My 6' tall plant already started blooming during the summer. The fat pink flowers are 2" across and they stink of rotten onion. The flowers grow out of the areas that have much more wool the the rest of the plant. This plant needs protection from frost.

Regional...

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

Phoenix, Arizona
Henderson, Nevada



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