Hygrophila Cordata Red

Plant Profile

• Scientific Name: Hygrophila cordata ‘Red’
• Common Name: Red Hygro, Red Hygrophila
• Origin: Southeast Asia
• Height: 20–40 cm (8–16 inches)
• Placement: Midground to Background
• Leaf Shape: Wide, arrow-shaped leaves (more dramatic than narrow-leaf Hygrophila)
• Color: Reddish-bronze to copper-red; deepens under strong light and iron supplementation 

Water Parameters

• pH: 6.0–7.5
• Temperature: 22–28°C (72–82°F)
• Hardness: Soft to medium 

Lighting & CO₂

• Lighting: Medium to High
  (Higher light = deeper red coloration)
• CO₂: Recommended for best form and color, but not essential 

Growth & Care

• Growth Rate: Moderate to Fast
• Difficulty: Easy to Medium (hardy and adaptable)
• Propagation: Stem cuttings – trim and replant
• Trimming: Regular trimming promotes bushy growth and prevents legginess 

Special Care Tips

• Use nutrient-rich substrate and iron fertilization for vibrant red tones.
• Plant in groups of 5–10 stems for maximum visual impact.
• Leave space for leaves to expand wide.
• Performs well emersed or submerged; leaf shape and color vary accordingly 

Aquascaping Role

• Creates strong focal points in nature-style or Dutch aquascapes.
• Ideal as a contrast plant against green foliage in midground or background layouts