PlantFun
Plant Needs
Sunlight
Full sun to partial sun; thrives in open, unshaded garden spaces and tolerates dry, poor soil conditions
Watering
Drought-tolerant; water deeply only when the top 15–20 cm of soil is completely dry
Temperature
Cold-hardy to -20°C; withstands hot, dry summer temperatures without supplemental cooling
Characteristics
- Leaf: Basal rosette of soft, woolly, oblong leaves; stem leaves are smaller and clasping
- Flower: Dense terminal spikes of bright yellow, five-petaled blooms
- Stem: Tall, unbranched, woolly flowering stalk
Care Guide
Watering
Water occasionally during prolonged dry spells; avoid overwatering
Fertilization
No regular fertilization required. Over-fertilization can reduce flower production and weaken stalks
Eggshell powder topdressing：Crush clean, dried eggshells into a fine powder and sprinkle a thin layer around the base to boost soil calcium and deter slugs; avoid thick applications that may block water penetrationPruning
- Remove spent flower spikes after blooming to encourage self-seeding and tidy the garden
- Trim yellowing basal leaves in early spring to improve airflow
- Cut back dead flowering stalks to ground level in late autumn
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-verified non-toxic to cats; no reported toxicity
Humans: Non-toxic to humans; no known adverse effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden plant; historically used in traditional medicine for respiratory ailments
