Rotala Nanjenshan
Rotala Nanjenshan is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
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Rotala Nanjenshan
Rotala Nanjenshan
Description
Description
Rotala nanjenshan (often sold as “Rotala sp. Nanjenshan”)
Care Guide & Retail Profile
Rotala nanjenshan is a slender, elegant red stem plant originating from Taiwan and valued for its soft pink-to-orange hues and fine texture. It sits nicely between easy Rotala species and demanding reds like R. macrandra, making it a popular choice for high-quality aquascapes and Dutch-style layouts.
Plant Overview
- Scientific name: Rotala nanjenshan
- Common trade names: Rotala Nanjenshan, Rotala sp. Nanjenshan
- Family: Lythraceae
- Origin: Taiwan (Nanjenshan / Nanjenshan area collections)
- Growth form: Stem plant
- Tank placement: Midground to background
- Difficulty: Medium–Advanced
Size & Growth
- Height: 20–40 cm (8–16 inches)
- Stem profile: Thin, delicate stems
- Growth rate: Moderate
- Leaf shape: Narrow, lanceolate leaves
- Leaf arrangement: Opposite along the stem
Produces a light, airy appearance compared to broader-leaved Rotala species.
Lighting
- Lighting requirement: Medium–High
- Under stronger light:
- Colors shift toward pink, copper, and light red
- Under lower light:
- Leaves remain green with slight orange tones
- Internode spacing increases
Bright, even lighting helps maintain dense growth in groups.
CO₂ & Fertilization
- CO₂: Strongly recommended for best form
-
Nutrients: Regular macronutrients + micronutrients
- Benefits from supplemental iron, but not as iron-hungry as R. macrandra
CO₂ instability can cause:
- Twisted new growth
- Leaf drop at the base
- Sparse stems
Water Parameters
- Temperature: 22–27 °C (72–81 °F)
- pH: 5.5–7.0
- GH: Soft to moderately soft (2–8 dGH)
- KH: Low to moderate preferred
More forgiving than R. macrandra, but soft, slightly acidic water brings out the best coloration.
Trimming & Propagation
- Trim tops once plants reach the surface
- Replant cuttings for bushy clusters
- Frequent trimming encourages:
- Shorter internodes
- Denser red coloration
For Dutch layouts, trim in staggered heights to create depth.
Coloration
- Typical colors:
- Light red
- Pink
- Copper-orange
- Color intensity influenced by:
- Light intensity
- CO₂ stability
- Iron availability
- Controlled nitrate levels (not zero)
Produces a softer red compared to bold crimson Rotala species.
Best Uses
- Dutch-style stem groupings
- Transition plant between strong reds and green plants
- Background accent in high-tech aquariums
- Natural-style aquascapes needing subtle color warmth
Common Issues
| Issue | Likely Cause |
|---|---|
| Leggy growth | Insufficient light |
| Pale or green leaves | Low iron or low light |
| Melting after planting | Transition from emersed growth |
| Curled new leaves | CO₂ or nutrient imbalance |
Specifications
Specifications
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CategoryPotted Plants
-
Product TypeRotala
-
Species TypeRotala
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