Care specifications
| Type | Bulb |
|---|---|
| Difficulty | Easy |
| Light | Low (15–40 µmol PAR) |
| CO2 | Not needed |
| Fertilizer demand | Medium |
| Growth rate | Slow |
| Max height | 24 in |
| Spread | 8 in |
| Placement | Midground, Background |
| Attaches to hardscape | No |
| Snail & shrimp safe | Yes |
| Temperature | 72–82 °F |
| pH | 6–7.5 |
| Color | Green |
| Trimming | Minimal |
| Styles | Jungle, Nature, Biotope |
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Propagation
Mature bulbs slowly produce offset bulblets at the base; separate these once they have their own roots and leaves.
Frequently asked questions
How deep do I plant a Crinum calamistratum bulb?
Bury the roots and the lower portion of the bulb in the substrate but leave the top third or so of the bulb exposed — fully buried bulbs are prone to rot. Once it establishes roots it anchors firmly; place it where you want it permanently, since it resents being uprooted.
Why is my Crinum growing so slowly or losing a leaf after planting?
Crinums are naturally slow and often sulk for a while after a move, sometimes dropping a leaf as they adjust. Don't dig the bulb up to check it — keep it planted, feed the roots with tabs, and be patient; an established Crinum is long-lived and steadily pushes out new ribbon leaves.
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