PlantFiles is getting a new look! Just in time for spring, we're rolling out a new look for the best online plants database. It will also work with your smart phones and mobile devices, so now you can take it with you on garden center visits or botanical garden tours. Questions or comments? Please post them here.

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

Category:

Cactus and Succulents

Height:

under 6 in. (15 cm)

6-12 in. (15-30 cm)

Spacing:

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

Hardiness:

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

Danger:

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

Bloom Color:

Pink

Red

White/Near White

Bloom Time:

Late Winter/Early Spring

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 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

Regional

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

Phoenix, Arizona

Tucson, Arizona

Hesperia, California

Gardeners' Notes:

0
positives
2
neutrals
0
negatives
RatingContent
Neutral

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

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

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