PlantFun
Plant Needs
Sunlight
Full sun exposure for optimal flowering; tolerates partial shade with reduced bloom production
Watering
Water deeply when top 2–3 cm of soil is dry; drought-tolerant once established
Temperature
Hardy to -30°C; adapts to cool and temperate climates; avoid prolonged extreme heat above 35°C
Characteristics
- Leaf: Long, linear grass-like leaves clasping the stem, with milky sap when broken
- Flower: Bright yellow composite heads 5–8 cm wide, closing in afternoon or cloudy weather
- Stem: Smooth, hollow upright stem branching near the top
Care Guide
Watering
Water regularly during active growth; reduce frequency during prolonged dry spells
Fertilization
Light diluted feed once monthly. Use low-nitrogen fertilizer to promote flowering rather than foliage growth
Banana peel compost tea：Compost banana peels for 2–3 weeks, dilute 1:20 with water for root drench; avoid raw peels to prevent pest infestationsPruning
- Deadhead spent blooms to prevent unwanted self-seeding if desired
- Cut back foliage to ground level after first frost to prepare for winter dormancy
- Thin overcrowded seedlings in early spring to improve airflow and growth
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: Non-toxic; young roots and shoots are edible when cooked
Garden Uses & Culture
Culture: N/A
Usage: Edible young roots and shoots; ornamental wildflower for meadow gardens
