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The Mammillaria group is beloved for its rounded forms covered in neat rows of spines, often topped by crowns of pink or magenta flowers. Compact and charming, it’s a classic cactus for collectors and desert gardens alike.
Water Needs: Very low; water sparingly in summer, keep nearly dry in winter
Sun Needs: Full sun to light shade
Soil Requirements: Sandy, fast-draining cactus soil
Growing Zone: USDA Zones 9–11
Cold Hardiness: Down to ~25°F (–4°C)
Mature Size: 4–12 in tall x 3–6 in wide (varies by species)
Native Origin: Mexico and Southwestern USA
Best Substitutes For: Rebutia, Parodia cactus
Landscape Uses: Containers, rock gardens, xeric landscapes
The Mammillaria group is beloved for its rounded forms covered in neat rows of spines, often topped by crowns of pink or magenta flowers. Compact and charming, it’s a classic cactus for collectors and desert gardens alike.
Water Needs: Very low; water sparingly in summer, keep nearly dry in winter
Sun Needs: Full sun to light shade
Soil Requirements: Sandy, fast-draining cactus soil
Growing Zone: USDA Zones 9–11
Cold Hardiness: Down to ~25°F (–4°C)
Mature Size: 4–12 in tall x 3–6 in wide (varies by species)
Native Origin: Mexico and Southwestern USA
Best Substitutes For: Rebutia, Parodia cactus
Landscape Uses: Containers, rock gardens, xeric landscapes