Ammannia mauritiana

Species description

Care, breeding and tankmates

Plant profile

Placement

Midground

Ideally placed in the midground as a unique focal specimen. Give it ample space so it is not crowded by faster-growing species. It requires unobstructed light from top to bottom.

Botanical form

Stem

Features delicate, slightly drooping leaves that curl downwards. The leaves can develop a stunning deep reddish-purple color that is highly unusual in aquatic plants. The stems are somewhat fragile.

Growth

Medium

A notoriously slow grower, even under optimal conditions. This slow pace makes it easier to maintain its position without frequent trimming, but it demands patience to establish.

Substrate

Medium

Ammannia mauritiana performs optimally in a fine-grained substrate that offers a steady supply of essential macronutrients. Its roots easily penetrate porous soils, establishing a strong grip that helps the plant resist moderate water flow. A substrate depth of 4 to 6 centimeters is ideal for accommodating its root mass and preventing the stem from dislodging. Periodic supplementation with root fertilizers is recommended to maintain vigorous growth and prevent nutrient deficiencies in older setups.

Column fertilization

Recommended

Benefits from daily micro-dosing of liquid fertilizers to maintain stable water chemistry. Avoid large fluctuations in nitrate and phosphate levels, which can trigger algae on its slow-growing leaves.

Root fertilization

Recommended

Demands an acidic, nutrient-rich soil substrate. High-quality aquasoil is mandatory for success, as it relies on a strong root system to buffer against water column fluctuations.

Trimming

Occasional

Trim very sparingly. When necessary, cut the top portion carefully and replant. The bottom stem may struggle to produce side shoots if the plant is not in peak health.

Propagation

Cuttings

Propagated via careful top cuttings. Side shoots will form only if the main plant is exceptionally healthy and well-fed. Rooting can be a slow process.

Sensitivity

Moderate

One of the most sensitive stem plants available. It melts quickly if water hardness is too high or if CO2 levels drop. Requires very soft, acidic water to survive submerged.

Layout role

Midground, group

Serves as an exquisite, rare collector's piece in the aquascape. Its drooping, purple leaves provide an unmatched contrast against bright green background plants.