Ammania Gracilis

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About Ammania Gracilis

Ammannia gracilis is a beautiful stem plant prized for its vibrant green, bronze and red foliage. When grown under strong aquarium lighting with good nutrient availability, the leaves can develop rich reddish and copper tones, making it an excellent choice for adding colour and contrast to a planted aquarium.

This fast-growing stem plant is particularly effective when planted in groups. Regular trimming encourages branching and allows you to create a dense, bushy appearance in the midground or background of the aquarium.

Ammannia gracilis performs best in moderate to high lighting and benefits considerably from CO₂ supplementation. Good levels of macro- and micronutrients will also help promote stronger growth and better coloration.

It can be grown submerged in a fully aquatic aquarium and is well suited to aquascapes ranging from nature-style planted tanks to more colourful, high-tech layouts.

Quick Care Guide

• Scientific Name: Ammannia gracilis
• Common Name: Ammannia Gracilis
• Family: Lythraceae
• Type: Stem Plant
• Difficulty: Moderate
• Growth Rate: Fast
• Placement: Midground to Background
• Lighting: Moderate to High
• CO₂: Recommended
• pH: 5.5–7.5
• Temperature: 20–28°C
• Water Hardness: Soft to moderately hard
• Propagation: Cuttings
• Colour: Green, bronze to red
• Aquarium Type: Freshwater

Frequently Asked Questions

Does Ammannia gracilis need CO₂?

CO₂ is not absolutely essential, but it is strongly recommended for vigorous growth and stronger red coloration.

How do I get Ammannia gracilis to turn red?

Strong lighting, adequate CO₂ and balanced nutrients can encourage deeper bronze and red coloration. Plant health should always come before chasing colour.

Where should I plant Ammannia gracilis?

It works particularly well in the midground or background, especially when planted in groups.

How do I trim Ammannia gracilis?

Simply cut the healthy upper portion of the stem and replant the cuttings into the substrate. Regular trimming encourages branching and creates a fuller group.

Is Ammannia gracilis suitable for beginners?

It is relatively straightforward in a well-maintained planted aquarium, but achieving its best colour and growth is easier with good lighting, CO₂ and fertilisation.

Can Ammannia gracilis be propagated?

Yes. It is easily propagated by cutting healthy stems and replanting the cuttings.

Common Mistakes

• ❌ Keeping it under very weak lighting
• ❌ Expecting strong red colour without adequate light and nutrients
• ❌ Planting stems too deeply into the substrate
• ❌ Allowing nutrient deficiencies to persist
• ❌ Failing to trim and replant healthy tops
• ❌ Making sudden changes to aquarium conditions