Description
Lobelia cardinalis is a beautiful, low-growing stem plant with rounded, apple-green leaves and a clean, structured form. It offers a refreshing contrast to fine-leaved or red-toned plants and looks especially crisp in nature-style or Dutch aquascapes.
In emersed form, it sports deep red undersides and can even produce vibrant red flowers—but underwater, it transforms into a lush, green midground beauty with a soft yet architectural vibe.
Care and Planting Directions
Plant stems in nutrient-rich substrate in small groups for a bushier effect. Provide moderate to high light for compact, tight growth. CO₂ and liquid fertilization are optional but help maintain vibrant color and density. Trim tops to control height and replant cuttings to fill out the area.
Specs
Name: Lobelia cardinalis
Common Name: Lobelia
Difficulty: Easy to Medium
Light: Medium to High
CO₂: Not required (Optional for fuller growth)
Height: 4–10 inches
Substrate: Required
Growth Rate: Moderate
Propagation: Stem cuttings
Aquarium Placement: Foreground / Midground
