| Eve's Needle | |
| Christmas Tree Cactus |
| Plant Habit: | Grass/Grass-like |
| Life cycle: | Annual |
| Sun Requirements: | Partial or Dappled Shade |
| Water Preferences: | In Water |
| Minimum cold hardiness: | Zone 7b -15 °C (5 °F) to -12.2 °C (10 °F) |
| Maximum recommended zone: | Zone 3 |
| Conservation status: | Near Threatened (NT)
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