| Santa Maria Barrel Cactus | |
| Biznaga |
| Ferocactus nmaasrta-ia | Accepted |
| Ferocactus aa.unmunseibaaiss-alte pr pns | Synonym |
| Plant Habit: | Tree |
| Life cycle: | Other |
| Sun Requirements: | Full Sun to Partial Shade |
| Minimum cold hardiness: | Zone 11 +4.4 °C (40 °F) to +7.2 °C (50 °F) |
| Maximum recommended zone: | Zone 12 |
| Suitable Locations: | Bog gardening Espalier |
| Resistances: | Deer Resistant |
| Containers: | Suitable in 1 gallon |
| Miscellaneous: | Dioecious |
| Conservation status: | Extinct (EX) |
