Care Guide

Ammannia

Ammannia Gracilis

Intermediate difficulty

Care at a Glance

Lighting

Medium - high

Growth Rate

Moderate to fast, depending on conditions

Growth Form

Stem

Placement

Background

True Aquatic

Yes

Available As

A mmannia gracilis Ammania gracilis is a marsh plant in the wild, and originates in large areas of Africa. Under excellent growing conditions Ammania gracilis is a beautiful addition to the aquarium. It exhibits a bronze to orange color depending on the lighting. This is a plant that does best with strong light and supplemental CO2 as well as good nutrient supply but if you provide those, you can be rewarded with a beautiful stem plant with a lot of color.

About This Plant

Ammania gracilis is a marsh plant in the wild, and originates in large areas of Africa. Under excellent growing conditions Ammania gracilis is a beautiful addition to the aquarium. It exhibits a bronze to orange color depending on the lighting. This is a plant that does best with strong light and supplemental CO2 as well as good nutrient supply but if you provide those, you can be rewarded with a beautiful stem plant with a lot of color.

Quick-Reference Details

Common name: Ammannia
Scientific name: Ammannia Gracilis
Family: Lythraceae
Native to: Africa
Difficulty: Intermediate
Requirements: Requires good light and supplemental CO2 to do well
Lighting: Medium - high
Growth rate: Moderate to fast, depending on conditions
Growth form: Stem
Placement: Background
True aquatic: Yes
Available as: A mmannia gracilis Ammania gracilis is a marsh plant in the wild, and originates in large areas of Africa. Under excellent growing conditions Ammania gracilis is a beautiful addition to the aquarium. It exhibits a bronze to orange color depending on the lighting. This is a plant that does best with strong light and supplemental CO2 as well as good nutrient supply but if you provide those, you can be rewarded with a beautiful stem plant with a lot of color.

Difficulty — Intermediate

Grows reliably in moderate-tech tanks. Benefits from steady fertilization and adequate light, but does not require CO2 to survive.

CO2 & Fertilization

CO2 supplementation is recommended for best growth and color. Liquid carbon (Easy Carbon, Excel) is a workable substitute, though pressurized CO2 produces the strongest results.

Tank Size & Setup

Best in tanks 20 gallons or larger so background stems have room to grow up and be trimmed without overtaking the foreground.

Aquascaping & Placement

Plant at the back of the tank as a vertical accent or full background curtain. Group stems in clusters of 5-10 for a fuller display. Trim and replant the tops every 3-4 weeks. The new growth tips hold the best color and form, while lower stems eventually need replacing.

Tank-Mate Compatibility

Compatible with the full range of community-tank species — tetras, rasboras, livebearers, corydoras, and most other peaceful freshwater fish do not damage the foliage.

Common Care Issues

Outgrowing the tank

Plan to trim every 1-2 weeks. Skipping trims lets the plant shade out neighbors and trap detritus that fouls water quality.

Slow initial growth

Most aquarium plants pause for 2-4 weeks after planting while they convert from their nursery-grown emersed form to fully submerged growth. New leaves that emerge underwater will look thinner and slightly different — this is the plant adapting, not a problem.

Frequently Asked Questions

How much light does Ammannia need?

Ammannia (Ammannia Gracilis) prefers medium - high lighting. A standard planted-tank LED fixture run 7-9 hours a day is typical.

Does Ammannia need CO2?

CO2 supplementation is recommended for best growth and color. Liquid carbon (Easy Carbon, Excel) is a workable substitute, though pressurized CO2 produces the strongest results.

Is Ammannia good for beginners?

Ammannia is rated intermediate-level. Grows reliably in moderate-tech tanks. Benefits from steady fertilization and adequate light, but does not require CO2 to survive.

How fast does Ammannia grow?

Growth rate is moderate to fast, depending on conditions. Expect to trim every 1-2 weeks once established.

What fish and invertebrates are compatible with Ammannia?

Compatible with the full range of community-tank species — tetras, rasboras, livebearers, corydoras, and most other peaceful freshwater fish do not damage the foliage.