Scientific Name: Rotala wallichii
Common Name: Wallichii Rotala
Origin: Southeast Asia
Growth Rate: Moderate to Fast
Difficulty Level: Advanced
Temperature: 22–28°C
pH: 5.0–7.0
GH: 1–8 dGH
KH: 0–4 dKH
High lighting is essential for healthy growth and vibrant coloration.
Strong light promotes compact growth and intense pink to red hues.
Under insufficient lighting, stems become elongated, and coloration fades.
CO₂ supplementation is highly recommended.
Encourages dense growth, finer leaf development, and enhanced coloration.
Without adequate CO₂, the plant often struggles to thrive and may lose lower leaves.
Requires a consistent supply of macro and micronutrients.
Adequate nitrate, phosphate, potassium, and trace elements are necessary for optimal growth.
Iron supplementation helps intensify red and pink coloration.
Stable nutrient levels are important to prevent stunted growth and leaf deterioration.
Best suited for the midground to background.
Often used as a colorful focal point or accent plant.
Creates a soft, feathery texture that contrasts beautifully with broad-leaved species.
Easily propagated through stem cuttings.
Cut healthy stem tops and replant them into the substrate.
New shoots develop readily from trimmed stems.
Plant stems in small groups to create a dense, bushy appearance.
Regular trimming encourages side shoots and fuller growth.
Maintain stable water parameters, as the plant is sensitive to sudden changes.
Good water circulation helps prevent algae from developing on the delicate foliage.
Rotala wallichii is one of the most elegant stem plants used in planted aquariums, valued for its delicate needle-like leaves and striking pink to red coloration. Its fine texture creates a soft, feathery appearance that adds depth, contrast, and movement to aquascapes. With strong lighting, CO₂ supplementation, soft water, and balanced fertilization, it develops into a stunning centerpiece suitable for Nature, Dutch, and high-tech planted aquariums.
