Pachycereus Species, Senita Cactus, Whisker Cactus

Pachycereusschottii

Family
Cactaceae (kak-TAY-see-ee)
Genus
Pachycereus (pak-ee-KER-ee-us)
Species
schottii (SHOT-ee-eye)
Synonym
Cereus schottii
Lophocereus schottii
Pilocereus schottii
Cereus sargentianus
Lophocereus sargentianus
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
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Hardiness
USDA Zone 8b: to -9.4 °C (15 °F)
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)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pale Pink
Pink
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
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
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
Regional

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

Phoenix, Arizona

Tucson, Arizona(2 reports)

Featured Videos

Gardener's Notes:

2
positives
0
neutral
0
negative
Sort By:
Sort By:
X
Phoenix, AZ (Zone 9b) | August 2005 | positive

Additional common names are: Cina; Garambuyo; Mochi; Sina; Sinita; Tuna Barbona; & Viejo.
Additional synonyms are: Pilocereus sarg...Read More

P
Acton, CA (Zone 8b) | March 2004 | positive

Not as interesting as its spineless cousin, the monstrose form, this one is still attractive with thick clumps of 'fur' down all or parts...Read More

Featured
Showy Emerald Moth
(Dichorda iridaria)
Pacific Emerald Dove
(Chalcophaps longirostris)
Featured
Showy Emerald Moth
(Dichorda iridaria)
Pacific Emerald Dove
(Chalcophaps longirostris)