Mermaid Weed (Proserpinaca palustris) – Exotic Aquarium Stem Plant

Mermaid Weed (Proserpinaca palustris) – Exotic Aquarium Stem Plant

Description: Mermaid Weed is a stunning stem plant prized for its delicate, saw-toothed leaves and vibrant coloration. Under moderate light it stays greenish-bronze, but with strong lighting and CO₂, it transforms into brilliant shades of orange, red, and even pink. Its feathery leaves bring exotic texture to aquascapes and create a striking contrast against green plants.

This plant is best used as a midground to background accent in freshwater aquariums. With proper trimming, it grows into dense, bushy clusters that add a dramatic flair to planted tanks.

Highlights:

• Striking saw-toothed leaves with vivid coloration
• Turns orange-red under strong light & CO₂
• Provides dramatic texture and contrast in aquascapes
• Great for midground or background planting

Care Guide:

• Lighting: Medium–High (stronger light = more red coloration)
• CO₂: Strongly recommended for best growth & vibrant colors
• Substrate: Nutrient-rich substrate, root tabs, and liquid fertilizer help maintain health
• Growth Rate: Moderate
• Placement: Midground–Background
• Propagation: Trim and replant healthy stems

FAQs:

Q: Why is my Mermaid Weed staying green?
A: It needs higher light and CO₂ to bring out the orange-red tones.

Q: How tall does it get?
A: Typically grows 12–20 inches, depending on trimming and tank conditions.

Q: Is it beginner-friendly?
A: Best for intermediate aquascapers due to its demand for stable light, CO₂, and nutrients.