Photo by Melody

PlantFiles: Mammillaria
Mammillaria melanocentra

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Mammillaria (mam-mil-AR-ee-uh) (Info)
Species: melanocentra (mel-an-oh-KEN-tra) (Info)

Synonym:Mammillaria melanocentra subsp. melanocentra
Synonym:Mammillaria euthele

Cactus and Succulents

under 6 in. (15 cm)
6-12 in. (15-30 cm)

12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

USDA Zone 8b: to -9.4 C (15 F)
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)

Sun Exposure:
Full Sun
Sun to Partial Shade

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

Bloom Color:
White/Near White

Bloom Time:
Late Winter/Early Spring

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:

Propagation Methods:
From woody stem cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost
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
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By palmbob
Thumbnail #1 of Mammillaria melanocentra by palmbob

By palmbob
Thumbnail #2 of Mammillaria melanocentra by palmbob

By palmbob
Thumbnail #3 of Mammillaria melanocentra by palmbob

By Baja_Costero
Thumbnail #4 of Mammillaria melanocentra by Baja_Costero

By Xenomorf
Thumbnail #5 of Mammillaria melanocentra by Xenomorf


No positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral Xenomorf On Mar 18, 2005, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

The differences between the subspecies are:
-ssp. melanocentra: Has 7-9 black or gray radial spines and brilliant deep pink blooms.
-ssp. linaresensis: Has 4-6 white radial spines and white/near white blooms.
-ssp. rubrograndis: Has 11-13 yellow-brown radial spines and brilliant carmine blooms.
They all have One stout, black central spine.

Neutral palmbob On Mar 31, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Solitary species from Mexico with bright halo of pink flowers in spring


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

Phoenix, Arizona
Tucson, Arizona
Hesperia, California

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