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Rat-tail nipple cactus

Mammillaria pottsii

Also called Pott's Nipple-cactus, Rattail Nipple Cactus

Rat-tail nipple cactus
Photo: Peter A. Mansfeld, CC BY 3.0

Mammillaria pottsii is a small, spiny, clustering cactus from the cactus family, native to south-west Texas and north-east Mexico. It is grown for its neat, slender spines and is easy to keep as long as it gets strong light, sharp drainage and little water.

Family
Cactaceae (Cactus family)
Grows as
Succulent
Light
Full sun
Water
Water deeply only when the soil is fully dry, and water much less in winter.
Soil
Fast-draining cactus or succulent mix with added grit or pumice.
Temperature
15–35 °C; protect below 5 °C
How easy
Easy
Native range
SW. Texas to NE. Mexico
Climate
desert or dry shrubland

About

Mammillaria pottsii, also known as fox-tail cactus or rat-tail nipple cactus, is a species of flowering plant in the family Cactaceae. It was first described by Scheer ex Salm-Dyck, Cact. Hort. 1849: 104 (1850) According to the United Nations Environment Programme, M. leona is a synonym for M. pottsii.

Other Mammillaria plants

Mammillaria albicoma · Mammillaria albiflora · Mammillaria albilanata · Bernal Cactus · Mammillaria aureilanata · Mammillaria backebergiana · Mammillaria baumii · Mammillaria beneckei · Powder Puff Cactus · Mammillaria bombycina subsp. perezdelarosae · Mammillaria bombycina · Mammillaria brandegeei

Text excerpted from the Wikipedia article Mammillaria pottsii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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