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PlantFiles: Gymnocalycium, Black Chin Cactus
Gymnocalycium eurypleurum

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Gymnocalycium (jim-no-kal-LISS-ee-um) (Info)
Species: eurypleurum (yoor-ee-PLOOR-um) (Info)

Category:
Cactus and Succulents

Height:
under 6 in. (15 cm)

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

Hardiness:
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:
Sun to Partial Shade

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

Bloom Color:
Pale Pink

Bloom Time:
Mid Summer

Foliage:
Unknown - Tell us

Other details:
Drought-tolerant; suitable for xeriscaping
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 seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds

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There are a total of 16 photos.
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Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral palmbob On Jul 6, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Sperical species from Paraguay with large, pale pink blooms in summer. Body of cactus dark green and covered with very symetrical white spines in clusters of about 7

Variable species... some plants have minimal spination while others seem quite heavily armed. Spines tend to curve upwards, away from body of cactus.. no obvious central spine.

Regional...

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

Phoenix, Arizona
Tucson, Arizona



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