PlantFun
Plant Needs
Sunlight
Requires 6+ hours of direct daily sunlight for consistent blooming; tolerates partial shade in hot climates
Watering
Maintain stable pond water level between 30–90 cm; avoid stagnation by adding gentle water circulation
Temperature
Thrives in 15–25°C; rhizomes tolerate brief winter frosts if submerged below ice
Characteristics
- Leaf: Round floating leaves with a V-shaped notch; glossy green upper surface, purplish underside
- Flower: Fragrant white blooms with 20–30 petals; open by day and close by night
- Rhizome: Thick, fleshy underground stems anchor in pond substrate and store nutrients
Care Guide
Watering
Top up pond with dechlorinated water to replace evaporation
Fertilization
Insert slow-release fertilizer tablets near rhizomes once monthly. Avoid over-fertilizing to prevent excessive algae growth
Composted banana peel tablets：Bury 1–2 fully composted banana peel pieces 10 cm from rhizomes every 2 months; avoid raw peels to prevent water contaminationPruning
- Remove yellowing or decaying floating leaves to maintain water quality
- Deadhead spent blooms to encourage continuous flower production
- Trim overgrown rhizomes in late winter to prevent overcrowding in small ponds
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no adverse effects reported
Humans: No known toxic effects from ingestion or contact
Garden Uses & Culture
Culture: Symbolizes purity and tranquility in European medieval folklore
Usage: Ornamental pond plant; rhizomes historically used as a starchy food source in some regions
