| Crested Twin-Spined Cactus | |
| Crested Whitey | |
| Mammillaria |
| Plant Habit: | Shrub |
| Life cycle: | Perennial |
| Sun Requirements: | Full Sun Partial Shade to Full Shade |
| Water Preferences: | In Water |
| Minimum cold hardiness: | Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F) |
| Maximum recommended zone: | Zone 8a |
| Flowers: | Blooms on old wood |
| Underground structures: | Taproot |
| Suitable Locations: | Alpine Gardening |
| Resistances: | Rabbit Resistant |
| Containers: | Not suitable for containers |
| Miscellaneous: | Monocarpic |
| Conservation status: | Endangered (EN) |
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