PlantFun
Plant Needs
Sunlight
Full to partial sun; tolerates dappled shade in shallow, sheltered ponds
Watering
Requires shallow, still or slow-moving water; maintain consistent depth of 5–20 cm
Temperature
Thrives in cool to temperate temperatures; tolerates light frost during dormant winter periods
Characteristics
- Leaf: Lanceolate to linear leaves, 10–40 cm long, emergent or floating, glossy medium green
- Flower: Small, white or pale pink 3-petaled flowers arranged in whorled racemes
- Stem: Erect, hollow, smooth stems support inflorescences above water level
Care Guide
Watering
Maintain consistent water depth; top up with dechlorinated water as needed
Fertilization
Diluted aquatic plant feed once monthly. Use low-nitrogen feed to minimize algal growth in pond water
Composted banana peel tea：Compost banana peels fully, steep in water for 3 days, dilute 1:20 before applying to aquatic substrate; avoid adding solid debris to pond waterPruning
- Remove spent flower stems to prevent excessive self-seeding
- Thin overcrowded foliage to improve water circulation and light penetration
- Trim dead or yellowing leaves in early spring to promote new growth
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No listed toxicity to cats
Humans: No known toxic effects on humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental pond margin plant; traditional medicinal uses in some European folk practices
