Alternanthera cardinalis (5cm Pot) Care Guide

Alternanthera cardinalis is a striking red-stemmed plant that enhances the beauty of freshwater aquariums with its vibrant colors.

Care Requirements:

• Tank Size: Suitable for medium to large aquariums.
• Lighting: Medium to high light is essential for deep red coloration.
• Temperature: 22–28°C (72–82°F), ideal for tropical aquariums.
• pH Range: 6.0–7.5, preferring slightly acidic to neutral water.
• Water Hardness: Soft to moderately hard (3–12 dGH).
• Substrate: Prefers nutrient-rich substrate; root tabs enhance growth.
• CO2 Requirement: Recommended for vibrant coloration and optimal growth.

Key Tips:

• Growth Rate: Moderate to fast under ideal conditions.
• Pruning: Regular trimming encourages bushy and compact growth.
• Placement: Best used in midground to background areas.
• Propagation: Easily propagated by cutting stems and replanting them in the substrate.
• Nutrient Needs: Requires regular fertilization, especially iron, to maintain red hues.

Alternanthera cardinalis is a popular choice for aquascapes, adding bold contrast and structure to planted tanks.