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PlantFiles: Rhinoceros Cactus
Coryphantha cornifera

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Coryphantha (kor-ry-FAN-tha) (Info)
Species: cornifera

Synonym:Coryphantha schwartziana
Synonym:Mammillaria cornifera
Synonym:Coryphantha bernalensis

Category:
Cactus and Succulents

Height:
under 6 in. (15 cm)

Spacing:
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

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

Bloom Color:
Gold (Yellow-Orange)
Pale Yellow
White/Near White

Bloom Time:
Late Summer/Early Fall

Foliage:
Succulent

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

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
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

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By Xenomorf
Thumbnail #1 of Coryphantha cornifera by Xenomorf

By Xenomorf
Thumbnail #2 of Coryphantha cornifera by Xenomorf

By Xenomorf
Thumbnail #3 of Coryphantha cornifera by Xenomorf

By Xenomorf
Thumbnail #4 of Coryphantha cornifera by Xenomorf

By EricInSF
Thumbnail #5 of Coryphantha cornifera by EricInSF

By franj
Thumbnail #6 of Coryphantha cornifera by franj

By franj
Thumbnail #7 of Coryphantha cornifera by franj

There are a total of 16 photos.
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Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Xenomorf On Oct 4, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Another synonyms is Coryphantha bernalensis

Regional...

This plant has been said to grow in the following regions:

Phoenix, Arizona
Tucson, Arizona



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