Ammannia gracilis
Ammannia gracilis, commonly known as Red Ammannia, is a striking red stem plant that adds vibrant colour and texture to planted aquariums. Native to West Africa, this attractive aquatic plant is popular among aquascaping enthusiasts for its broad leaves and beautiful reddish-brown and deep violet colouration under suitable aquarium conditions.
When grown underwater, Ammannia gracilis develops elongated leaves that can reach approximately 12 cm in length. Its colourful foliage makes it an excellent choice for creating contrast against green aquatic plants and enhancing the visual appeal of nature-style and Dutch-style aquascapes.
Growing Requirements
Ammannia gracilis is considered a moderately demanding to demanding aquarium plant. To achieve its best colouration and healthy growth, it benefits from strong lighting, a consistent supply of macro- and micronutrients, and nutrient-rich substrate conditions. CO₂ supplementation is recommended for improved growth and overall plant development.
The plant generally performs well in soft to moderately hard water and prefers temperatures above 24°C, although it can tolerate a wider temperature range under suitable conditions. For the best visual effect, plant several stems with adequate spacing to allow light to reach the lower leaves.
Aquascaping Uses
Red Ammannia is particularly suitable for the midground of medium to large planted aquariums. Its colourful stems can be arranged in groups to create eye-catching focal points, colourful plant streets, and classic Dutch-style layouts. It can also be grown in open-top aquariums, where mature stems may grow above the water surface and produce small, light-purple flowers under suitable conditions.
Plant Information
- Scientific Name: Ammannia gracilis
- Common Name: Red Ammannia
- Plant Family: Lythraceae
- Origin: West Africa
- Plant Type: Aquatic stem plant
- Placement: Midground
- Approximate Height: 5–8 inches
- pH Range: 5.0–7.5
- Temperature Range: 12–32°C
- Lighting: High
- CO₂: Recommended
- Nutrients: Requires a consistent supply of macro- and micronutrients
- Propagation: Stem cuttings and side shoots
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