Ludwigia brevipes

 Ludwigia brevipes, a striking stem plant for aquariums

Plant Profile

• Scientific Name: Ludwigia brevipes
• Common Names: Long Beach Primrose, Needle Leaf Repens, Long Eames
• Family: Onagraceae
• Origin: Southeastern USA (Florida, Texas, Louisiana)
• Height: 15–30 cm (6–12 inches)
• Placement: Midground (can work in foreground for larger tanks)
• Leaf Shape: Thin, needle-like leaves
• Color: Green to orange-red; intense red under high light and low nitrates 

Water Parameters

• pH: 5.3–7.0
• Hardness: 3–16°dGH
• Temperature: 20–26°C (68–79°F) 

Lighting & CO₂

• Lighting: Medium to High
  (Bright light enhances compact growth and coloration)
• CO₂: Recommended for dense, vibrant growth; without CO₂, stems are thinner and less colorful 

Growth & Care

• Growth Rate: Normal to Fast
• Difficulty: Easy to Medium (hardy but sensitive to unstable parameters)
• Substrate: Nutrient-rich gravel or aquarium soil
• Fertilization: Regular macro/micro nutrients; iron helps maintain color 

Propagation

• Method: Stem cuttings – trim tops or lateral shoots and replant
• Trimming: Cut tops a few inches below desired height; encourages bushy growth and side shoots 

Color Enhancement Tips

• High Light + Low Nitrates = Redder Leaves
• Strong PAR and red/blue spectrum lighting
• CO₂ injection for compact, colorful growth 

Special Features

• Can grow submerged or emersed (may produce small yellow flowers emersed)
• Ideal for contrast in aquascapes; pairs well with green plants
• Provides shelter for small fish and fry