PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates dappled woodland light and benefits from protection against intense midday sun in warm climates
Watering
Keep soil consistently moist but not waterlogged; avoid allowing the root zone to dry out completely
Temperature
Hardy to 0°C; prefers cool temperate conditions and should be protected from extreme heat above 30°C
Characteristics
- Leaf: Large, compound, toothed leaves with glossy green surfaces and purple-tinged petioles
- Flower: Dense, flat-topped umbels of tiny white to pale pink flowers
- Stem: Thick, hollow, deep purple stems with a faint anise-like aroma
Care Guide
Watering
Keep soil evenly moist; water deeply when the top 2 cm of soil feels dry
Fertilization
Apply balanced organic feed once every 4 weeks. Avoid over-fertilizing to prevent leggy, weak stem growth
Composted banana peel tea：Soak fully composted banana peels in water for 3 days, dilute the mixture 1:20 before applying to soil; avoid using raw peels to prevent pest infestationsPruning
- Deadhead spent flower heads to prevent unwanted self-seeding if desired
- Remove yellowing lower leaves to improve airflow and reduce disease risk
- Cut back stems to ground level after flowering in the second year, as the plant completes its biennial lifecycle
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; ingestion can cause vomiting, diarrhea, and photosensitivity
Humans: Contains furanocoumarins; ingestion may cause oral irritation and photosensitive skin reactions
Garden Uses & Culture
Culture: N/A
Usage: Historically used in herbal medicine; ornamental garden plant for moist, shaded areas
