Ammania Gracilis (Ammannia gracilis) – Premium Red Stem Aquarium Plant

Ammania gracilis is a striking freshwater aquarium stem plant known for its tall, elegant structure and dramatic color transitions. This vibrant aquatic plant showcases elongated leaves that shift from bright green to deep pink and red under proper lighting and nutrient-rich conditions. The bold appearance of ammania gracilis makes it a standout choice for aquascapers who want strong vertical accents and vivid coloration in their planted tanks.

Key Features of Ammania Gracilis

Color-Changing Foliage:
Ammania gracilis develops rich green tones that gradually shift to pinkish-red and deep red hues when grown under medium to high lighting.

Elegant Vertical Growth:
This aquarium stem plant produces long, slender leaves that add height, movement, and fine texture to freshwater layouts.

Aquascaping Versatility:
Ammania gracilis works beautifully in midground and background placements, providing dramatic contrast and a natural sense of depth.

Moderate Growth Rate:
It grows at a manageable pace, allowing aquarists to shape and maintain it easily while encouraging lush, healthy clusters.

Dynamic Contrast and Color Impact:
When paired with green plants, the red tones of ammania gracilis intensify overall visual balance in nature-style, jungle-style, and Dutch-style aquascapes.

Specifications

Scientific Name: Ammannia gracilis
Common Names: Ammania Gracilis, Red Ammania, Gracilis Stem Plant
Care Level: Intermediate
Lighting Requirement: Medium to High
CO₂ Requirement: Recommended for strong coloration
Growth Rate: Moderate
Placement: Midground to Background
Maximum Height: 12+ inches (30+ cm)
Water Temperature: 72–82°F (22–28°C)
pH Range: 6.0–7.5
Water Hardness: Soft to Moderately Hard

Planting & Care Tips for Ammania Gracilis

Substrate:
Ammania gracilis performs best in nutrient-rich substrate where its roots can anchor and absorb essential nutrients for strong vertical growth.

Lighting:
Medium to high lighting is essential for this red stem plant to develop compact growth and vibrant coloration.

CO₂ and Fertilization:
Consistent CO₂ injection is recommended. Regular dosing of macro nutrients and iron-rich micronutrients enhances the signature pink and red tones of ammania gracilis.

Maintenance:
Trim tops regularly to encourage bushier, fuller growth. Replant trimmed stems to create dense clusters and prevent the lower portions from thinning.

Water Stability:
Maintain stable water parameters with soft to moderately hard water to support optimal coloration and healthy leaf formation.

Aquascaping Inspiration

Ammania gracilis is valued for its tall, bold stature and radiant coloration. Its upright growth pattern makes it ideal for Dutch-style aquascapes, contrast-focused layouts, and nature aquariums seeking vibrant red highlights. This aquatic plant adds strong vertical lines, enhances layering, and helps create a visually rich, well-balanced aquascape.

Frequently Asked Questions

1. What is Ammania gracilis?

Ammania gracilis is a colorful freshwater stem plant known for its tall growth and red-to-pink coloration under strong lighting, making it popular in aquascaping.

2. Is Ammania gracilis easy to grow?

It is considered an intermediate-level plant. With good lighting, CO₂ supplementation, and stable water parameters, Ammania gracilis grows steadily and develops vibrant colors.

3. What lighting is best for Ammania gracilis?

Medium to high lighting is essential for compact growth and red pigmentation. Low light will cause green foliage and elongated, weaker stems.

4. Does Ammania gracilis need CO₂?

CO₂ is highly recommended for Ammania gracilis. It improves growth speed, leaf density, and enhances the red coloration.

5. What substrate is best for Ammania gracilis?

A nutrient-rich substrate supports its root development and helps maintain bright, saturated leaf colors. Soil-based substrates work best.

6. How fast does Ammania gracilis grow?

It has a moderate growth rate. Regular trimming and replanting of cut stems help maintain a dense, healthy cluster.

7. What tank placement is ideal for Ammania gracilis?

Midground or background placement is preferred. Its tall, upright stems create height and vibrant contrast in planted tanks.

8. Why is my Ammania gracilis not turning red?

Lack of color is usually due to low lighting, insufficient CO₂, or nutrient deficiency—especially iron. Increasing light intensity and fertilization typically restores red tones.