Alternanthera reineckii
Posted by Max Gandara on on 2nd Jul 2025
Alternanthera reineckii: A Bold Splash of Red for Aquascapes
For aquascapers seeking vibrant color contrast and visual depth, Alternanthera reineckii is a show-stopping choice. With its rich hues—ranging from deep reds to purples—this stem plant brings dramatic flair to planted tanks and serves as a striking backdrop or accent in a variety of aquascaping styles.
Native to South America, A. reineckii is available in several cultivars and is well-loved for its color, texture, and versatility. With proper care, it becomes a true centerpiece, drawing the eye and elevating the entire layout.
What is Alternanthera reineckii?
Alternanthera reineckii is a fast-growing, amphibious stem plant often found in wetlands, riverbanks, and marshes. In the aquarium hobby, it’s celebrated for its vivid red, pink, or burgundy foliage, depending on the variety and growing conditions.
Popular varieties include:
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Alternanthera reineckii ‘Mini’ – Compact growth, ideal for foreground or midground use
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A. reineckii ‘Rosanervig’ – Rosy veins with striking contrast
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A. reineckii ‘Purple’ – Deep reddish-purple tones
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A. reineckii ‘Ocipus’ / 'Cardinalis' – Larger, more dramatic form with broader leaves
Why Aquascapers Love It
? Intense Color Contrast:
One of the best red plants available for aquarium use—pairs beautifully with green and bronze plants.
? Adds Depth and Texture:
Its leafy, upright growth adds structure and movement to midground and background spaces.
⚡ CO₂-Responsive Growth:
Grows fuller and more vibrant with good light and CO₂ injection—ideal for high-energy scapes.
Care Guide for Alternanthera reineckii
| Requirement | Details |
|---|---|
| Light | Medium to high (strong light enhances red tones) |
| CO₂ | Recommended for vibrant color and compact growth |
| Substrate | Nutrient-rich or aquasoil preferred |
| Temperature | 72–82°F (22–28°C) |
| pH | 6.0–7.5 |
| Placement | Midground to background |
| Growth Rate | Moderate to fast |
Maintenance Tips
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Trim Frequently: Topping encourages bushier, compact growth.
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Replant Cuttings: Healthy tops can be replanted to thicken groups.
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Dose Iron-Rich Fertilizer: Helps intensify red coloration.
Aquascaping Applications
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? Color Contrast: Use next to light greens like Pogostemon erectus or Limnophila sessiliflora for pop.
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? Layering Effect: Plant in clusters for a bush-like appearance in the mid to back zone.
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? Flowing Layouts: Works beautifully in Dutch-style and nature-style aquascapes alike.
Final Thoughts
Alternanthera reineckii is a must-have for aquascapers looking to introduce rich red tones into their underwater landscapes. With its bold appearance and relatively easy care (especially for the ‘Mini’ variety), it adds both contrast and complexity to any aquascape. Whether you’re crafting a colorful Dutch-style tank or a balanced nature layout, this plant will stand out as a living piece of aquatic art.