PlantFun
Plant Needs
Sunlight
Requires 6+ hours of daily direct sunlight for consistent blooming; tolerates partial shade in extreme heat
Watering
Requires consistent, still freshwater; maintain water depth of 30–90 cm; avoid stagnant, polluted water
Temperature
Thrives in warm temperate to tropical water temperatures; avoid prolonged exposure below 10°C to prevent rhizome damage
Characteristics
- Leaf: Round, waxy floating leaves with a deep central notch; dark green upper surface, purplish underside
- Flower: Fragrant blue to pale violet blooms with 12–18 petals; opens in morning, closes in late afternoon
- Root: Rhizomatous underwater root system anchored in sediment
Care Guide
Watering
Maintain consistent water level; top up as needed to replace evaporation
Fertilization
Apply slow-release aquatic fertilizer tablets every 4 weeks. Bury tablets 5 cm deep in soil near rhizomes to avoid nutrient runoff and algae blooms
Composted banana peel tablets：Fully compost banana peels, press into small tablets, and bury near rhizomes; avoid raw peels that can introduce excess organic matter and algaePruning
- Remove yellowing or decaying leaves to maintain water clarity and prevent algae growth
- Deadhead spent flowers to encourage continuous blooming throughout the growing season
- Trim overcrowded rhizomes every 2–3 years to prevent competition for nutrients
- Cut back all foliage to 5 cm above rhizomes before winter in cool temperate regions
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA confirmed non-toxic; no adverse effects reported
Humans: No known toxic effects to humans when ingested or handled
Garden Uses & Culture
Culture: Symbolizes purity and enlightenment in South Asian and ancient Egyptian traditions
Usage: Ornamental pond plant; traditional medicinal use in some South Asian cultures for relaxation
