🌿 Overview

Ludwigia palustris – Hi Red is a freshwater stem plant native to North and South America, known for its compact, upright growth and red foliage. It is widely used in nature-style aquascapes to add depth, contrast, and a pop of red among green plants.

This plant is beginner-friendly and adaptable to low-tech setups. While CO₂ and high-intensity lighting enhance leaf coloration and growth, it can still thrive in standard aquariums.

🍃 Appearance

• Small to medium elliptical leaves with deep red coloration under optimal conditions
• Upright growth forming dense midground or background clusters
• Height: 15–30 cm
• Bushy growth with compact stems
• Adds dramatic red contrast to aquascapes

🌿 Plant Type (Hard/Soft)

• Type: Stem plant
• Category: Soft aquatic plant
• Growth rate: Moderate

🌡️ Ideal Water Temperature

• 20°C – 28°C (68°F – 82°F)

💡 Lighting Conditions

• Medium to high lighting required for bright red coloration
• Moderate light may produce greenish leaves
• High light ensures compact, bushy growth and vibrant red tones

🌿 CO₂ Requirement

• Optional but recommended
• CO₂ promotes faster growth, denser stems, and more vivid red foliage

⚗️ Ideal pH Level

• pH: 6.0 – 7.5
• Slightly acidic to neutral water preferred

💧 Other Requirements

• Substrate: Nutrient-rich substrate enhances growth and leaf coloration
• Fertilization: Benefits from root tabs and liquid fertilizers
• Water hardness: Soft to moderately hard
• Regular trimming encourages compact stems and bushy growth
• Sensitive to low light and nutrient deficiency

🌱 Propagation

• Propagates via stem cuttings
• Cut healthy tops and replant in substrate
• Side shoots form quickly under optimal light and CO₂

💡 Do You Know?

Ludwigia palustris – Hi Red is a popular choice for aquascapers seeking red contrast. Its upright stems and bushy growth allow it to blend beautifully in midground and background areas, enhancing the depth and natural appearance of planted tanks.

🏷️ Plant Category Classification

🟢 Beginner Friendly

✔ Yes – Hardy, adaptable, and low-maintenance

🟢 Non-CO₂ Plant (Low-Tech)

✔ Yes – Can grow without CO₂, though slower and less colorful

🟢 High-Tech Plant

✔ Optional – High light and CO₂ produce vivid red coloration and dense growth