Ludwigia palustris – Red Aquatic Plant for Planted Aquariums

Ludwigia palustris is a beautiful aquatic stem plant known for its vibrant red foliage and fast-growing stems. It is an excellent choice for planted aquariums and aquascaping layouts, adding a striking splash of colour and contrast against green aquatic plants. With suitable lighting and nutrient-rich substrate, this plant can develop intense red leaves and dense, compact growth.

Appearance and Growth

Ludwigia palustris belongs to the Onagraceae family, commonly known as the evening primrose family. It grows in both emersed and submerged conditions and produces numerous stems and side shoots, making it suitable for creating colourful background or midground plant groupings, depending on the aquarium layout.

Strong aquarium lighting is recommended to encourage its vibrant red colour and compact growth. Under lower lighting conditions, the leaves may appear greener, the spaces between leaves may increase, and the lower leaves may drop off. Small aerial roots may develop along the stems and can be trimmed if desired.

Origin and Background

Ludwigia palustris is a widely distributed aquatic plant found in various wetland and aquatic habitats around the world. It was scientifically described by American botanist Stephen Elliott in 1817. Although it is sometimes confused with Ludwigia repens, Ludwigia palustris generally has smaller leaves and is particularly appreciated by aquascaping enthusiasts for its attractive red coloration.

Plant Care Information

• Scientific Name: Ludwigia palustris
• Family: Onagraceae
• Origin: North America (as commonly listed in aquarium trade references)
• Plant Height: Approximately 10–30 cm (4–12 inches)
• Suitable pH: 5.5–7.5
• Temperature: 20–28°C
• Growth Type: Stem plant
• Lighting: Medium to high; strong lighting helps enhance red coloration
• Placement: Midground or background, depending on trimming and aquarium size
• Propagation: Stem cuttings and side shoots

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