Cereus

Cereusaethiops

Family
Cactaceae (kak-TAY-see-ee)
Genus
Cereus (KER-ee-us)
Synonym
Piptanthocereus aethiops
Cereus coerulescens
Cereus azureus
Piptanthocereus azureus
Cereus chalybaeus
Sun Exposure
Full Sun
Foliage
Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
Spacing
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)
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)
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
White/Near White
Bloom Time
Mid Summer
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
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
Regional

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

Chandler, Arizona

Green Valley, Arizona

Hesperia, California

Reseda, California

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Gardener's Notes:

1
positive
1
neutral
0
negative
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Phoenix, AZ (Zone 9b) | October 2004 | neutral

Other synonyms include: Piptanthocereus chalybaeus, Cereus seidelii, Cereus beysiegelii, Cereus coerulescens.

Rarely branc...Read More

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

Knobby, monstrose, blue-green columnar cactus from Argentina, branches heavily.

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