Alternanthera Amabilis Tricolor

Quick facts

Identity

Also known as

Alternanthera Tricolor; Amabilis Tricolor

Environment

Freshwater

Native to

Brazil, Central America, South America

Habitat

Marginal and wetland areas along streams and riverbanks in tropical regions, growing emersed along muddy banks or submerged in slow-moving water.

Sourcing

Both

Conservation

Not Evaluated

Care

Care level

Moderate

Growth form

Stem

Max height

4 – 16 in (10 – 41 cm)

Spread

4 in (10 cm)

Growth rate

Moderate

Placement

Midground, Background

Water

Temperature

72 – 82 °F (22 – 28 °C)

pH

6.0 – 7.5

Flow

Low-Moderate

Light

High

CO₂

Required

Planting

Substrate

Nutrient-rich preferred

Feeds from

Both

Fertilizer needs

High

Colors

Green, Pink, Red, Yellow

Feeding & breeding

Propagation

Cuttings

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Care guide

Overview

Alternanthera amabilis 'Tricolor' is a lance-leaved stem plant that colors in rosy pink, crimson, and golden-yellow tones under strong light. Reaching roughly 4 to 12 inches, it suits midground to background placement in nutrient-rich, CO2-injected setups. Regular trimming and replanting of cuttings keeps stems full and prevents the base from thinning.

Care

This stem plant grows upright with lance-shaped leaves that shift between green, pink, red, and yellow depending on light intensity and nutrient availability. It performs best in medium to high light with CO2 injection, which brings out the deepest color contrast and keeps growth compact rather than leggy. Under lower light it still survives but tends toward a plainer green with looser internode spacing. Regular trimming and replanting of the top cuttings keeps the stand full and prevents bare lower stems.

Planting & trimming

Plant stems in small groups directly into a nutrient-rich substrate, burying the lower node while keeping most of the leaves above the substrate line. Trim the tops regularly once the stand reaches the desired height and replant the cuttings to maintain density and prevent the base from thinning out. It can also be grown emersed in paludariums or as a terrarium accent before being transitioned to fully submerged conditions.

Fertilizing

Root tabs pushed near the base help support the heavier feeding this species does through its roots, while a complete liquid fertilizer supplies the micronutrients needed for coloration. Iron and other micronutrients in particular influence how strongly the pink and red tones develop in new growth. Pale or washed-out leaves usually point to insufficient light or a lack of iron rather than a nitrogen problem.

Propagation

Propagation is done by cutting a healthy top section of stem and replanting it directly into the substrate, where it typically roots within a week under good conditions. The original stem will often branch and send out new side shoots below the cut, allowing repeated harvesting over time.

Problems

Sudden changes in water parameters or a rough transition from emersed to submerged growth can cause older leaves to melt or drop, so newly planted stems should be given a stable, undisturbed period to root in. Algae can build up on slower-growing lower leaves in low-light setups, so trimming away shaded or declining foliage helps keep the stand clean. Once established with adequate light and CO2, the plant is fairly resilient and recovers well from light pruning.

Sources

1. Alternanthera Amabilis Tricolor - Buce Plant
2. Alternanthera: Alternanthera Amabilis Tricolor
3. Alternanthera Tricolor - Live Aquatic Plant | Glass Aqua

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