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PlantFiles: Cereus
Cereus insularis

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Cereus (KER-ee-us) (Info)
Species: insularis (in-soo-LAIR-is) (Info)

Synonym:Monvillea insularis

Category:
Cactus and Succulents

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

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

Hardiness:
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
Light Shade

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

Bloom Color:
Pale Yellow
Bright Yellow

Bloom Time:
Unknown - Tell us

Foliage:
Unknown - Tell us

Other details:
Average Water Needs; Water regularly; do not overwater

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

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Xenomorf On Jun 17, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

This Cereus isn't like the other usual hedge-like or tree-like Cereus's. It grows shrub-like and scrambling. yellow nocturnal flowers [another night-blooming Cereus]. grayish-brownish-yellow spines. The stem are about an inch thick.



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