Acmella repens

Acmella repens

Acmella repens is an uncommon and visually distinctive stem plant that can add a warm bronze-to-reddish tone and fine-textured growth to planted aquariums. Its compact branching habit makes it particularly interesting for aquascapers looking for something different from the usual stem plants.

When grown under suitable conditions, the new growth can develop attractive bronze, reddish and purplish tones, with coloration becoming more pronounced under stronger lighting and a well-balanced nutrient supply.

🌿 Growth & Appearance

Acmella repens grows as a branching stem plant and can be shaped through regular trimming. With consistent trimming, the plant can be encouraged to produce denser side shoots, making it useful for creating midground or background groups depending on aquarium size and planting density.

Its subtle color variation works especially well alongside green plants and brighter red stems, creating contrast without overwhelming the overall aquascape.

💡 Lighting

• Light: Medium to High

• Stronger lighting generally helps develop better coloration and more compact growth.

• Under lower light, the plant may remain predominantly green and show less intense coloration.

💨 CO₂

CO₂ injection is recommended for stronger growth, denser branching and better coloration, although the plant can adapt to lower-tech conditions with appropriate lighting and nutrients.

🧪 Nutrients

Acmella repens benefits from a consistent supply of both macronutrients and micronutrients. A nutrient-rich substrate or regular water-column fertilization can support healthy stem development and stronger coloration.

Avoid making sudden changes to lighting or nutrient levels. Stable aquarium conditions generally produce better and more predictable growth.

✂️ Trimming & Propagation

Regular trimming helps maintain a compact, bushier appearance. Cut healthy stem sections and replant them into the substrate to propagate the plant.

For a fuller group, plant multiple healthy cuttings close together while leaving enough space for light and water circulation.

🐠 Placement

Depending on the aquarium size and trimming routine, Acmella repens can be used as a midground or background stem plant. Its warm coloration makes it particularly useful for creating contrast among predominantly green plant groups.

📌 Quick Care Guide

• Type: Stem Plant

• Difficulty: Medium

• Growth: Moderate

• Lighting: Medium–High

• CO₂: Recommended

• Color: Green to bronze, reddish and purplish tones

• Placement: Midground / Background

• Propagation: Stem cuttings

• Trimming: Regular trimming recommended

Acmella repens is a great choice for aquascapers who want an uncommon stem plant with attractive warm coloration and plenty of potential for shaping through regular trimming.