PlantFun
Plant Needs
Sunlight
Partial shade to full sun; thrives in consistently moist soil conditions
Watering
Keep soil continuously moist; tolerant of shallow standing water in wetland settings
Temperature
Hardy to mild frost; survives winter temperatures down to 0°C with adequate mulch
Characteristics
- Leaf: Opposite, lanceolate to ovate leaves with serrated margins, dark green, slightly hairy
- Flower: Tiny white to pale pink flowers in dense axillary whorls
- Stem: Square, green to reddish-brown, branching near the top
Care Guide
Watering
Maintain consistent soil moisture; avoid drying out during hot spells
Fertilization
Diluted organic feed once monthly. Use low-nitrogen organic feed to avoid excessive foliage growth
Banana peel compost tea：Use fully composted banana peels; dilute 1:20 for root drench to avoid pest attraction from raw materialPruning
- Deadhead spent flowers to prevent unwanted self-seeding
- Cut back stems to ground level in late autumn to promote new spring growth
- Thin overcrowded clumps in early spring to improve airflow and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no known toxic compounds
Humans: Non-toxic to humans; no reported adverse effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Historically used in herbal medicine for thyroid support and mild sedative properties
