Ludwigia peruensis

Scientific name: Ludwigia peruensis

Family: Onagraceae

Usual maximum size in aquariums: 40 - 55 cm (15.75 - 21.65 inch)

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Recommended pH range for the species: 6.5 - 7.4

Recommended water hardness (dGH): 4 - 18°N (71.43 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 22 - 28 °C (71.6 - 82.4°F)

Reproduction of the plant: Cuttings

Origin (in the wild): North America

How fast these plants grow: Normal

Recommended substrate: Fine gravel

Demands on lighting: Bright

Ideal placement in a fish tank: Middle

Common Name

Red Star Ludwigia

Planting Area

Ideal for the midground to background of your aquarium. In medium-sized tanks, it works best as a midground plant. Use it as a background plant only in smaller setups where space is limited.

Propagation

To propagate Red Star Ludwigia, simply take cuttings from the plant. Use sharp scissors to snip off a lateral shoot, then remove the bottom two pairs of leaves. Plant the stem into the substrate, being careful not to damage it. Within a few weeks, the cutting should develop a strong root system. While the plant can produce yellow flowers above the water, which can drop seeds if pollinated, this is challenging for most growers. Therefore, taking cuttings is the most straightforward method for expanding your plant collection.

Difficulty

Medium

The Ludwigia peruensis is classified as a medium-difficulty plant due to several factors. While it is not as demanding as some high-maintenance species, it does require certain conditions to thrive optimally. Key aspects that contribute to its medium difficulty include:

• Lighting Requirements: Ludwigia peruensis needs bright lighting to maintain its vibrant coloration. Inadequate light can cause the plant's leaves to lose their red hues and turn green, indicating reduced photosynthesis. Achieving the right light intensity can be challenging for beginners.
• CO₂ Enrichment: This plant benefits significantly from a CO₂ system, which promotes faster growth and healthier foliage. Without sufficient CO₂, the plant may exhibit slow growth and poor coloration, making it more suitable for aquarists who are familiar with CO₂ supplementation.
• Nutrient Needs: Ludwigia peruensis requires a balanced nutrient supply to thrive. Inadequate nutrients, especially in the substrate, can lead to deficiencies that affect the plant's overall health and appearance. Regular monitoring and supplementation of aquarium fertilizers are necessary to keep the plant in good condition.
• Propagation: While propagating Ludwigia peruensis is straightforward by taking cuttings, it requires careful handling to avoid crushing the stem and to ensure successful rooting. Beginners may need to practice this technique to achieve consistent results.

Overall, while not overly complex, maintaining Ludwigia peruensis involves attention to its light, CO₂, and nutrient requirements. With proper care and conditions, this plant can add a stunning splash of color to your aquarium.

Short Description

Red Star Ludwigia thrives in aquariums but is native to riverbanks in its home regions, where it produces vibrant yellow flowers. Underwater, the plant does not flower but retains its reddish leaf coloration with bright lighting. In lower light conditions, the leaves will turn green. A CO₂ system can significantly enhance its growth rate.

When well-cared-for, this plant exhibits striking coloration: the upper leaves are dark green, while the undersides are a vivid red. If the plant’s color fades or growth appears weak, it may indicate inadequate lighting or nutrient deficiencies, with lighting being the most common issue.