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Mammillaria Species, Biznaga Vibora

Mammillariasphacelata subsp. viperina

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Mammillaria sphacelata subsp. viperina by acactus
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Family
Cactaceae (kak-TAY-see-ee)
Info
Genus
Mammillaria (mam-mil-AR-ee-uh)
Info
Synonym
Mammillaria viperina
Leptocladodia viperina
Mammillaria sphacelata var. viperina
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage

Unknown - Tell us

Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
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
Pink
Magenta (pink-purple)
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Perennials
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow
Can be grown as an annual
Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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; sow indoors before last frost
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:

Phoenix, Arizona

Corona, California

Grenoble, Rhône-Alpes

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Xenomorf
Phoenix, AZ (Zone 9b) | April 2005 | neutral

The flowers don't open widely and range from dark purple-red to carmine in color on both subspecies.
The subspecies 'sphacelata' h...Read More

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