PlantFun
Plant Needs
Sunlight
Requires 6–8 hours of direct sunlight daily for optimal root development; tolerates partial shade in hot climates
Watering
Keep soil consistently moist but not waterlogged; avoid drought stress to prevent woody, bitter roots
Temperature
Thrives in cool temperatures (10–20°C); bolting occurs when temperatures exceed 25°C; tolerates light frosts down to -2°C
Characteristics
- Leaf: Rosette of large, deeply lobed bright green basal leaves; upper stem leaves are smaller and less lobed
- Root: Elongated cylindrical white taproot with smooth, thin skin
- Flower: Clusters of small, four-petaled white to pale purple cruciform flowers
Care Guide
Watering
Water deeply 1–2 times weekly to maintain even soil moisture
Fertilization
Apply balanced organic fertilizer at planting time. Avoid high-nitrogen fertilizers, which promote foliage growth over root development
Composted banana peel tea：Steep fully composted banana peels in water for 24 hours; dilute 1:20 before applying as a root drenchPruning
- Remove yellowing basal leaves to improve airflow and reduce disease risk
- Pinch off emerging flower stalks if bolting occurs to redirect energy to root development
- Thin seedlings to 10–15 cm apart when they reach 5 cm tall to allow sufficient space for root growth
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic; no known adverse effects for cats
Humans: Non-toxic; edible root and foliage are safe for human consumption
Garden Uses & Culture
Culture: Symbolizes good fortune and prosperity in some East Asian New Year celebrations
Usage: Culinary staple (raw, pickled, stir-fried); used as a cover crop to break up compacted soil and add organic matter
