Cereus Species

Cereusrepandus f. monstrosa

Family
Cactaceae (kak-TAY-see-ee)
Genus
Cereus (KER-ee-us)
Synonym
Cactus peruvianus f. monstrosa
Cereus peruvianus f. monstrosa
Cereus horribarbis
Cereus peruvianus
Sun Exposure
Full Sun
Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
Spacing
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
White/Near White
Bloom Time
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
Seed Collecting
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Remove fleshy coating on seeds before storing
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Ferment seeds before storing
Wear gloves to protect hands when handling seeds
Properly cleaned, seed can be successfully stored
Seed does not store well; sow as soon as possible
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:

Green Valley, Arizona

Tucson, Arizona

Hayward, California

Spring Valley, California

Vacaville, California

Saint Petersburg, Florida

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Gardener's Notes:

2
positives
1
neutral
0
negative
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D
Redlands, CA | September 2010 | positive

Hola... I also have this fruiting cacti growing in Redlands, CA.

X
Phoenix, AZ (Zone 9b) | May 2005 | neutral

This name "Cereus horribarbis" is a monstrose form of Cereus repandus (synonyms are....Cactus peruvianus & Cereus peruvianus)

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

Cool looking knobby blue-green columnar branching cactus I discovered at the Huntington Gardens, Pasadena California. Don't know cold ha...Read More

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