Pachycereus Species, Senita Cactus, Totem Pole Cactus

Pachycereusschottii f. monstrosus

Family
Cactaceae (kak-TAY-see-ee)
Genus
Pachycereus (pak-ee-KER-ee-us)
Synonym
Lophocereus schottii var. monstrosus
Cereus schottii var. monstrosus
Pilocereus schottii var. monstrosus
Lophocereus schottii f. monstrose
Sun Exposure
Full Sun
Foliage
Height
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Danger
N/A
Bloom Color
Inconspicuous/none
Bloom Time
Late Summer/Early Fall
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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 woody stem cuttings
From softwood cuttings
Allow cut surface to callous over before planting
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Gilbert, Arizona

Goodyear, Arizona

Green Valley, Arizona

Oracle, Arizona

Phoenix, Arizona(2 reports)

Queen Creek, Arizona

San Manuel, Arizona

Scottsdale, Arizona

Tucson, Arizona(2 reports)

Clovis, California

Hayward, California

Riverside, California

San Diego, California

Thousand Oaks, California

Metairie, Louisiana

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Gardener's Notes:

2
positives
0
neutral
0
negative
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P
Phoenix, AZ | February 2015 | positive

Central Phoenix -- Totem pole cactus is a great garden plant for Phoenix, whatever taxonomy you adhere to (see Xenomorf comment). I have...Read More

X
Phoenix, AZ (Zone 9b) | September 2004 | positive

Other synonyms include: Cereus schottii f. monstrose, Pilocereus schottii f. monstrose, Cereus sargentianus var. monstrosus, Cereus sa...Read More

The most recent and correct classification is Pachycereus schottii f. monstrose

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