Lobelia Cardinalis
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Lobelia cardinalis, also known as Cardinal Plant, is a striking freshwater stem plant admired for its vibrant red leaves and upright growth. Its bold coloration and compact, bushy form make it an excellent midground or background plant, adding dramatic visual impact to aquascapes.
Common Name: Cardinal Plant
Scientific Name: Lobelia cardinalis
Family: Campanulaceae
Size: Can grow up to 8–16 inches (20–40 cm)
Difficulty: Moderate
Native Region: North and Central America
Tank Size: Suitable for medium to large aquariums
Temperature: 72–82°F (22–28°C)
pH: 6.0–7.5
Lighting: High
CO₂: Recommended for vibrant red coloration and compact growth
Substrate: Nutrient-rich substrate preferred
• Color Enhancement: High light and CO₂ promote intense red leaves
• Regular Trimming: Helps maintain compact, bushy growth and encourages side shoots
• Moderate Difficulty: Needs stable water conditions and nutrients for best results
• Aquascape Use: Ideal for midground or background placement, providing dramatic color and texture in planted aquariums