Scientific Name: Proserpinaca palustris
Common Name: Mermaid Weed
Origin: North America
Growth Rate: Moderate
Difficulty Level: Moderate to Advanced
Temperature: 20–28°C
pH: 5.5–7.5
GH: 2–10 dGH
KH: 0–6 dKH
High lighting is recommended for optimal growth and coloration.
Strong light promotes the development of finely serrated leaves and attractive copper, orange, and reddish hues.
Under low light conditions, leaves remain greener, less serrated, and growth becomes less compact.
CO₂ supplementation is highly beneficial.
Encourages vigorous growth, compact internodes, and enhanced coloration.
While it can survive without CO₂, its ornamental qualities are significantly improved in a CO₂-enriched aquarium.
Requires a balanced supply of macro and micronutrients.
Adequate nitrate, phosphate, potassium, and trace elements support healthy growth.
Iron supplementation enhances orange and reddish coloration.
Consistent fertilization helps maintain dense foliage and prevents nutrient deficiencies.
Best suited for the midground to background.
Often used as an accent or focal plant due to its unique leaf shape and coloration.
Creates excellent contrast with fine-leaved green stem plants and carpeting species.
Easily propagated through stem cuttings.
Cut healthy stem tops and replant them into the substrate.
Trimmed stems readily produce side shoots, creating bushier growth over time.
High light intensity is important for developing the characteristic saw-toothed leaf edges.
Maintain stable CO₂ and nutrient levels for best coloration and growth.
Regular trimming encourages denser growth and prevents lower stem deterioration.
Plant stems in groups to create a striking visual impact.
Proserpinaca palustris is a distinctive stem plant valued for its uniquely serrated leaves and striking copper-orange to reddish coloration. Its unusual texture and changing leaf morphology under high light make it a standout feature in planted aquariums. With strong lighting, stable CO₂ supplementation, and balanced fertilization, it develops into a vibrant focal point that adds contrast, texture, and visual interest to Nature, Dutch, and high-tech aquascapes.
