Cryptocoryne spiralis 'Red' is a rosette-forming cultivar of Cryptocoryne spiralis from India, grown for its slender, upright, softly waved leaves that shift toward a brownish red under good light. Leaves are only about 1–1.5 cm wide but the plant grows tall, so it makes an elegant vertical accent rather than a bushy clump. A faint green mid-stripe can show through depending on the tank. It is a good choice for aquascapers who want warm color from a Cryptocoryne.
Care tip: Like all Cryptocoryne, it may melt back after planting or after being moved — this is normal, and it recovers fully if the roots are left undisturbed. Plant it where you want it to stay and avoid repositioning once established.
Cryptocoryne spiralis 'Red' is a root feeder, so a nutrient-rich substrate or regular root tabs makes a clear difference to growth and leaf color. Tropica rates its light and CO₂ demand as medium and describes it as not difficult, but one that needs good light and nutrition to reach its full potential. It grows at a medium rate, reaching roughly 8–12 inches within a couple of months and potentially more over time. Stable water conditions are the key to avoiding melt.
In the aquascape, its height suits the midground to background, where it works well behind low carpets or along the back corners of a tank. Plant it in small groups so the narrow, wavy leaves create a flowing, grass-like backdrop, and pair it with green stem plants or mosses on hardscape for contrast against the red-brown foliage. This plant ships as a Tropica potted plant.
| Difficulty | Medium |
| Placement | Midground to Background |
| Max Height | 8–12+ inches |
| Light Level | Medium |
| Temperature | 72–82°F |
| pH | 6.5–7.5 |
| CO2 Needs | Recommended |
| Origin | India |
| Notes | Narrow, upright, softly waved leaves that take on a brownish-red tone in good light. Melts back after planting or moving and recovers once the roots settle. A root-feeder that wants a nutrient-rich substrate. |
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