Cabeza de Viejo (Mammillaria senilis) in the Mammillarias Database

General Plant Information (Edit)
Plant Habit:	Cactus/Succulent
Life cycle:	Perennial
Sun Requirements:	Full Sun Full Sun to Partial Shade
Minimum cold hardiness:	Zone 10a -1.1 °C (30 °F) to +1.7 °C (35 °F)
Flowers:	Showy
Flower Color:	Red
Bloom Size:	2"-3"
Suitable Locations:	Xeriscapic Houseplant
Wildlife Attractant:	Hummingbirds
Resistances:	Drought tolerant
Containers:	Needs excellent drainage in pots
Miscellaneous:	Tolerates poor soil With thorns/spines/prickles/teeth
Conservation status:	Least Concern (LC)

Conservation status:

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Comments:

Posted by Baja_Costero (Baja California - Zone 11b) on Sep 26, 2020 4:51 PM concerning plant:

Low, spiny, clumping cactus from western Mexico with outstanding large (for the genus) red flowers. Stems grow to about 4 inches in diameter. Each areole has 4-6 central spines (2 of which are hooked), and dozens of radial spines. Flowers (late winter/early spring) are 2-3 inches wide and do not appear to require sun to open fully. From high elevations in Chihuahua, Jalisco, Sinaloa. Formerly in the genus (now subgenus) Mammillopsis. There is apparently also a white-flowered form in cultivation.

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I want it by tigerpaws	Mar 16, 2023 12:52 PM	1

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Mammillarias Cabeza de Viejo (Mammillaria senilis)