Rotala rotundifolia 'Vietnam'
Scientific Name: Rotala rotundifolia 'Vietnam'
Common Name: Rotala Vietnam
Origin: Vietnam
Growth Rate: Moderate to Fast
Difficulty Level: Moderate
Temperature: 22–28°C
pH: 5.5–7.5
GH: 2–10 dGH
KH: 0–6 dKH
Moderate to high lighting is recommended.
High light promotes compact growth and enhances the plant's attractive pink, orange, and reddish coloration.
Under lower light conditions, the plant tends to remain greener and develops longer internodes.
CO₂ supplementation is highly beneficial.
Encourages faster growth, compact internodes, and improved coloration.
While adaptable to low-tech aquariums, the plant displays its best form under stable CO₂ injection.
Requires regular supplementation of macro and micronutrients.
Adequate nitrate, phosphate, potassium, and trace elements support healthy growth.
Iron supplementation helps intensify the pink and reddish hues of new growth.
Consistent fertilization promotes dense, vigorous stem development.
Best suited for the midground to background.
Frequently used as a colorful accent or focal stem plant.
Creates excellent contrast with green stem plants and carpeting species.
Easily propagated through stem cuttings.
Cut healthy stem tops and replant them into the substrate.
Trimmed stems readily produce side shoots, resulting in denser growth over time.
Regular trimming encourages bushier growth and maintains an attractive shape.
Plant stems in groups to create a fuller and more natural appearance.
Stable CO₂ and nutrient levels are important for achieving optimal coloration.
Good water circulation helps maintain healthy growth and minimizes algae problems.
Rotala rotundifolia 'Vietnam' is a beautiful and versatile stem plant prized for its slender leaves and the vibrant pink to reddish tones it develops under favorable conditions. Its elegant growth pattern and responsiveness to trimming make it an excellent choice for Nature, Dutch, and contemporary aquascapes. With strong lighting, CO₂ supplementation, and balanced fertilization, it forms dense, colorful groups that add depth, texture, and visual interest to planted aquariums.
