Alternanthera

Alternanthera sessilis is a vibrant stem plant known for its striking red to deep purple foliage, making it a popular choice for adding bold colour and contrast to freshwater aquariums. Native to Asia and Africa, it thrives in well-lit, nutrient-rich environments. Though not a true aquatic plant in the wild, it can adapt to submerged conditions in aquariums with the right care, becoming a standout feature in midground to background placements.

Features

• Bold red to purple foliage

• Adds strong visual contrast to green plants

• Ideal for midground or background placement

• Fast-growing under ideal conditions

• Excellent for Dutch-style aquascapes

Scientific Name
Alternanthera sessilis

Difficulty
Moderate to advanced. Requires stable water, high lighting, and regular trimming to maintain shape and colour. Best with CO₂ supplementation.

Water Conditions
Temperature: 22 – 28°C
pH: 6.0 – 7.5
Water Hardness: 60 – 180ppm

Placement
Best used in the midground or background of aquariums. Position where lighting is strongest to maintain vibrant colour.

Growth Rate
Fast-growing in high light with nutrient-rich substrate and liquid fertilisers. May require frequent pruning to prevent shading.

Lighting
High lighting is essential to maintain its rich red and purple tones. In low light, colours may fade, and growth may become leggy.