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Ludwigia arcuata
Ludwigia arcuata
Ludwigia arcuata is a fast-growing, highly decorative stem plant valued for its needle-like leaves that turn intense red under strong light.
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12 - 28 °C
4.5 - 7
Freshwater
Medium to High
High
30 cm
12 cm
2 - 15 dKH
Species description
Ludwigia arcuata is native to the wetland regions of the eastern coast of the United States, particularly in states like North Carolina, South Carolina, and Florida. In nature, it grows in damp ditches, boggy banks, shallow freshwater ponds, and slow-moving rivers. It is a flexible marsh plant that colonizes both emersed muddy soils and stagnant waters, adapting to seasonal water level fluctuations. It belongs to the Onagraceae family, genus Ludwigia, which is rich in species of aquascaping interest. Genetically, L.
Care, breeding and tankmates
Prefers soft to moderately soft water (KH 2-10 dKH, ideally below 6 dKH) and slightly acidic conditions (pH 4.5-7.0, ideally below 6.8). The optimal cultivation temperature is between 12°C and 28°C; it tolerates cool winter temperatures but dislikes extreme summer heat. The primary risk is loss of color and stem weakening if light or CO2 is insufficient. Lower leaves fall off if shaded by neighboring stems. It is susceptible to hair algae infestations if there are severe imbalances between light and nutrients.
Geographic Origin and Distribution
This species originates from: Eastern coast of the United States, particularly North Carolina, South Carolina, and Florida..
Origin
Plant profile
- Placement
- Midground
- Botanical form
- Stem
- Growth
- Fast
- Substrate
- Medium
- Column fertilization
- Recommended
- Root fertilization
- None
- Trimming
- Occasional
- Propagation
- Cuttings
- Sensitivity
- Moderate
- Layout role
- Midground, accent, Nano
Optimal placement for Ludwigia arcuata is as a midground to background. Careful positioning allows it to receive adequate light and flow. This strategic placement ensures it does not overshadow smaller plants while exhibiting its best form.
Botanically, Ludwigia arcuata is characterized as a stem plant. Its unique physiological traits make it a fascinating addition to the ecosystem. The leaf structure and overall form adapt closely to its submerged environment.
The growth rate of Ludwigia arcuata is generally considered moderate to fast. This steady development necessitates a well-planned maintenance schedule. Adjusting environmental factors can slightly speed up or slow down this rate.
Ludwigia arcuata benefits significantly from a nutrient-rich aquarium soil, which encourages robust root development and supports its fast growth. The plant establishes a deep and extensive root system, so a substrate depth of at least 4 to 5 centimeters is recommended to securely anchor the stems. While it can extract nutrients from the water column via adventitious roots, a fertile substrate rich in iron and essential macronutrients will maximize its vibrant red coloration and stem thickness. Fine to medium-grained aquasoil is ideal, as it allows the delicate roots to penetrate easily without being crushed.
For column fertilization, Ludwigia arcuata prefers a rich dosing regimen. Liquid fertilizers are efficiently absorbed through its submerged surfaces. Consistent daily or weekly dosing ensures steady nutrient availability.
Regarding root fertilization, it is absolutely true that Ludwigia arcuata requires a nutrient-rich substrate. A quality aquasoil or root tabs can significantly boost its long-term health. The root system plays an active role in stabilizing the plant and absorbing minerals.
Maintenance for Ludwigia arcuata primarily involves bushy trimming. Using sharp aquascaping scissors ensures clean cuts that heal quickly. Regular pruning encourages a more compact and aesthetically pleasing form.
Propagation of Ludwigia arcuata is typically achieved through cuttings. This method is straightforward and yields a high success rate. Newly propagated sections should be planted with sufficient space to establish themselves.
Ludwigia arcuata is particularly sensitive to shading of lower leaves. Sudden changes in water chemistry can trigger negative reactions or melting. Maintaining a stable environment is the best preventative measure against these issues.
In an aquascape, Ludwigia arcuata serves excellently as a red focal point. Its visual characteristics draw the eye and create depth within the layout. It pairs well with contrasting textures to enhance the overall composition.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
Related species
Recommendations grouped by close relatives, companion choices, and similar care.
Variants and close relatives
Same atlas type, nearby scientific identity, genus, or family.
Recommended companions
Compatible cards from coherent ecosystems with matching parameters.
Similar care
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