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Lobelia Small Form
Lobelia cardinalis
Plantae›Tracheophyta›Magnoliopsida›Campanulaceae
Variety of Lobelia Cardinalis · small form
📍 Eastern North America (cultivar)
Compact rosette plant with spoon-shaped leaves — green on top, vivid purple underneath. One of the most striking two-tone aquascaping plants. Very adaptable and slow-growing. Excellent as a midground accent.
Tank Mates
Peaceful algae-eaters that won't damage delicate plant tissue
Gentle invertebrates that help control algae without harming plants
Compatible plant species for layered midground-to-background planting
Complements Lobelia in planted layouts with similar care requirements
Small, peaceful fish that won't uproot or damage the plant
Excellent algae control without disturbing plant roots or leaves
Common Diseases
Nutrient Deficiency
Yellowing leaves, stunted growth, pale coloration, loss of purple undersides
Increase fertilizer dosing (macronutrients and micronutrients), ensure adequate lighting, and consider adding CO2 supplementation
Algae Overgrowth
Green or brown algae coating leaves, reduced light penetration, plant appears smothered
Reduce lighting duration to 8-10 hours daily, increase water changes, add algae-eating fish or shrimp, and manually remove visible algae
Root Rot
Mushy base, foul odor from substrate, leaves wilting despite adequate water
Improve substrate drainage, reduce organic waste buildup, increase water circulation, and consider replanting in fresh substrate if severely affected
Melting
Leaves becoming translucent, tissue dissolving, plant appearing to disintegrate
Gradually acclimate plant to tank conditions over 2-3 weeks, ensure stable water parameters (pH 6.0-7.5), and maintain consistent temperature
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Tips from the community 💡
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Quick Facts
- CO2
- recommended
- lighting
- medium–high
- maxHeight
- 10–15 cm (4–6 in)
- placement
- midground
- substrate
- nutrient-rich
Stats
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