Lobelia cardinalis.

A versatile North American stem plant with light green leaves, purple undersides, and scarlet flowers above water.

Specifications
• Category: Aquarium Plant
• Brand: Tropica
• Type: Stem
• Origin: North America
• Growth Rate: Medium
• Height: 10–30 cm (20–30+ cm)
• Width: 5–10 cm
• Light Demand: Low
• CO₂ Requirement: Low

Key Features
• Grows in aquariums or emersed culture
• Leaves turn light green with purple undersides underwater
• Produces scarlet flowers above water in open tanks
• Ideal for Dutch-style "plant streets"
• Suitable for garden ponds
• Undemanding with low light and CO₂ needs