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Common Name: Cardinalis Alternanthera
Type: Aquatic plant (also used emersed in terrariums/paludariums)
Family: Amaranthaceae
Origin: South America
Lighting: High (for best red coloration)
CO₂: Recommended (improves growth and color)
Substrate: Nutrient-rich (root tabs if needed)
Temperature: 22–28°C (72–82°F)
pH: 6.0–7.5
Water Hardness: Soft to moderately hard
Growth Rate: Moderate
Height: 20–50 cm (8–20 inches)
Trimming: Regular trimming encourages bushy growth
Propagation: Cut stem and replant
Color: Deep red to purple under optimal light/CO₂
Needs consistent light and nutrients to stay vibrant
Can melt or turn green in poor conditions
Use in midground or background of aquascape
Common Name: Cardinalis Alternanthera
Type: Aquatic plant (also used emersed in terrariums/paludariums)
Family: Amaranthaceae
Origin: South America
Lighting: High (for best red coloration)
CO₂: Recommended (improves growth and color)
Substrate: Nutrient-rich (root tabs if needed)
Temperature: 22–28°C (72–82°F)
pH: 6.0–7.5
Water Hardness: Soft to moderately hard
Growth Rate: Moderate
Height: 20–50 cm (8–20 inches)
Trimming: Regular trimming encourages bushy growth
Propagation: Cut stem and replant
Color: Deep red to purple under optimal light/CO₂
Needs consistent light and nutrients to stay vibrant
Can melt or turn green in poor conditions
Use in midground or background of aquascape