PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates cool mountain sunlight, avoid scorching midday sun in low elevations
Watering
Water deeply when the top 2–3 cm of soil is dry; avoid standing water to prevent root rot
Temperature
Hardy to -15°C; prefers cool temperate conditions, avoid prolonged heat above 28°C
Characteristics
- Leaf: Large, ovate to cordate basal leaves with wavy margins; upper leaves smaller and lanceolate
- Flower: Tiny greenish-white flowers in dense, branching panicles
- Stem: Erect, hollow, grooved stems with subtle reddish tints
Care Guide
Watering
Keep soil consistently moist but not waterlogged
Fertilization
Apply diluted balanced liquid feed once monthly. Use feeds low in nitrogen to promote sturdy stem growth rather than floppy foliage
Composted banana peel tea：Steep fully composted banana peels in water for 24 hours; dilute 1:20 for root drench to support leaf health and stress tolerancePruning
- Deadhead spent flower spikes to prevent unwanted self-seeding
- Remove yellowing basal leaves to improve airflow and reduce fungal risk
- Cut back all stems to ground level in late autumn to prepare for winter dormancy
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; may cause drooling, vomiting, and abdominal discomfort
Humans: Contains soluble oxalates; ingestion of large quantities may cause mild gastrointestinal irritation
Garden Uses & Culture
Culture: N/A
Usage: Historically used in folk medicine for mild skin irritation (limited modern clinical support)
