Photo by Melody

PlantFiles: Mamillaria
Mammillaria mystax

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Mammillaria (mam-mil-AR-ee-uh) (Info)
Species: mystax (MY-staks) (Info)

Synonym:Mammillaria crispiseta
Synonym:Mammillaria neomystax
Synonym:Mammillaria erythra
Synonym:Neomammillaria mystax
Synonym:Mammillaria mutabilis

2 members have or want this plant for trade.

Cactus and Succulents

6-12 in. (15-30 cm)

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

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

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

Bloom Color:
Magenta (Pink-Purple)
Maroon (Purple-Brown)

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

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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There are a total of 11 photos.
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1 positive
1 neutral
No negatives

Gardeners' Notes:

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

Another synonym of this plant is Cactus mystax

Positive palmbob On Mar 26, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Attractive solitary (sometimes clumping) species up to about 1' tall with larger spines in spider pattern. Flowers are pinkish red in spring (and sometimes other times of year). Has almost a flat topped appearance. Good specimen species for landscaping, as well as in pots.


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

Mesa, Arizona
Phoenix, Arizona (2 reports)
Perris, California
Woodcrest, California

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