PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates dappled shade in hot summer climates to prevent leaf scorch
Watering
Water deeply when the top 5 cm of soil feels dry; avoid overwatering to prevent root rot
Temperature
Hardy to -10°C; thrives in temperate 15–25°C growing conditions
Characteristics
- Leaf: Large, heart-shaped fuzzy green leaves with prominent pale veins, reaching up to 60 cm long
- Flower: Round thistle-like purple flower heads surrounded by hooked, spiky bracts
- Stem: Thick, rigid green stems with fine hairs, branching upward from a deep taproot
Care Guide
Watering
Keep soil consistently moist during active growth periods
Fertilization
Diluted balanced liquid feed every 2 weeks. Discontinue fertilization once flowering ends in late autumn
Banana peel compost tea：Compost banana peels for 2 weeks, steep in water for 48 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestationsPruning
- Remove faded flower heads to prevent unwanted self-seeding in garden settings
- Trim yellowing lower leaves to improve airflow and reduce fungal disease risk
- Cut back spent stems to ground level after flowering in late autumn
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA lists as non-toxic to cats; no known adverse effects from ingestion
Humans: Young leaves and cooked roots are edible for humans; raw leaves may cause mild digestive upset in large quantities
Garden Uses & Culture
Culture: Used in traditional European and Asian medicine for detoxification and skin health
Usage: Edible cooked roots and young leaves; ornamental wildflower for pollinator gardens
