Rotala Wallichii

Biosecurity Shipping Limitations apply

Shipping Allowed?

About Rotala Wallichii

Rotala wallichii is a delicate and highly attractive stem plant known for its fine, needle-like foliage and beautiful pink, red and bronze coloration. When grown under the right conditions, it can develop an intense warm colour that makes it a standout plant in a planted aquarium.

Its fine texture provides a fantastic contrast against broader-leaved plants and is particularly effective when planted in dense groups. It works beautifully in detailed aquascapes, especially nature-style and high-tech layouts.

Rotala wallichii is considered more demanding than many common Rotala species. It performs best with strong lighting, stable CO₂ and consistent fertilisation. Good water circulation and access to micronutrients are also important for maintaining healthy new growth.

Regular trimming encourages branching and allows the plant to become thicker and more compact. Replanting the healthy tops is an easy way to expand an established group.

Quick Care Guide

• Scientific Name: Rotala wallichii
• Common Name: Rotala Wallichii
• Family: Lythraceae
• Type: Stem Plant
• Difficulty: Moderate to Advanced
• Growth Rate: Moderate to Fast
• Placement: Midground to Background
• Lighting: High
• CO₂: Required for best results
• pH: 5.5–7.5
• Temperature: 20–28°C
• Water Hardness: Soft to Moderately Hard
• Propagation: Stem Cuttings
• Colour: Green, Pink, Red and Bronze
• Aquarium Type: Freshwater

Frequently Asked Questions

Does Rotala Wallichii need CO₂?

CO₂ is strongly recommended. While it may survive in lower-tech conditions, stable CO₂ is important for vigorous growth and strong coloration.

How do I get Rotala Wallichii to turn red?

Strong lighting, stable CO₂ and balanced fertilisation can encourage pink and red coloration. Healthy growth should be prioritised rather than deliberately starving the plant of nutrients.

Where should I plant Rotala Wallichii?

It is best suited to the midground or background, where groups of its fine foliage can create depth and texture.

Is Rotala Wallichii difficult to grow?

It is more demanding than beginner-friendly Rotala varieties. Consistent lighting, CO₂, nutrients and water conditions will greatly improve your results.

How do I propagate it?

Cut healthy stems and replant the tops into the substrate. The remaining stems can produce new side shoots.

Why is my Rotala Wallichii melting?

Sudden changes in lighting, CO₂, water parameters or transitioning from emersed to submerged growth can cause leaf loss. Stable conditions and new submerged growth usually resolve the issue.

Common Mistakes

• ❌ Inconsistent CO₂ levels
• ❌ Using inadequate lighting
• ❌ Making sudden changes to aquarium conditions
• ❌ Allowing the plant to become heavily shaded
• ❌ Neglecting micronutrients
• ❌ Failing to trim and replant healthy tops