PlantFun
Plant Needs
Sunlight
Prefers full to partial sun; tolerates light shade in hot summer climates to prevent leaf scorch
Watering
Requires consistently moist or submerged soil; avoid allowing the growing medium to dry out completely
Temperature
Hardy to mild frosts; grows best in 15–25°C; avoid extreme heat above 30°C which can wilt foliage
Characteristics
- Leaf: Variable lanceolate to oblong shape, toothed or shallowly lobed, arranged alternately on stems
- Flower: Small bright yellow four-petaled blooms in dense terminal racemes
- Stem: Hollow, succulent, branching stems adapted to submerged or waterlogged conditions
Care Guide
Watering
Keep soil fully saturated or submerged to 10 cm depth; top up water regularly
Fertilization
Diluted organic feed once monthly. Use low-nitrogen feed to avoid promoting excessive algal growth in aquatic settings
Composted banana peel tea：Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drench; avoid raw peels to prevent odor and pest attractionPruning
- Deadhead spent flower racemes to encourage prolonged blooming
- Trim back overgrown stems in late autumn to maintain a tidy habit
- Remove damaged or yellowing foliage to prevent decay in wet growing conditions
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No known toxicity to cats
Humans: No known toxic effects to humans; young leaves are edible when cooked
Garden Uses & Culture
Culture: N/A
Usage: Edible young leaves (cooked to reduce bitterness); ornamental wetland plant for water features
