PlantFun
Plant Needs
Sunlight
Requires full sun for abundant blooming; tolerates light partial shade in hot, arid regions
Watering
Water deeply when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot and fungal growth
Temperature
Thrives in cool to temperate temperatures; avoid prolonged exposure to temperatures above 30°C
Characteristics
- Leaf: Lobed, spiny-toothed leaves with pale green, hairy surfaces
- Flower: White to pale pink 4-petaled blooms with bright yellow stamens; prickly sepals enclose unopened buds
- Stem: Erect, bristly stems containing milky, bitter sap
Care Guide
Watering
Keep soil consistently moist but not waterlogged during active growth
Fertilization
Diluted balanced liquid feed once every 2 weeks. Use low-nitrogen feed to promote flower production over foliage growth
Banana peel compost tea：Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 with water for root drenching to avoid nutrient burnPruning
- Deadhead spent flower heads to encourage extended blooming
- Remove yellowing or damaged foliage to improve air circulation
- Cut back the entire plant to ground level after blooming to allow self-sowing for the next growing season
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic due to alkaloid content; may cause vomiting, diarrhea, and central nervous system depression
Humans: Ingestion causes mild gastrointestinal upset; sap may irritate skin on contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental wildflower for meadow gardens; limited historical medicinal use (not recommended due to toxicity)
