PlantFun
Plant Needs
Sunlight
Full sun to partial sun; thrives in exposed, dry mountain environments
Watering
Drought-tolerant; water only when top 5–10 cm of soil is completely dry to avoid root rot
Temperature
Hardy to -15°C; withstands hot, dry summer temperatures without supplemental cooling
Characteristics
- Leaf: Rosette of spiny, silver-green basal leaves with rigid, toothed margins
- Flower: Solitary composite flower head with silvery white bracts surrounding yellow disc florets
- Stem: Acaulescent (stemless) growth habit with no visible above-ground stem
Care Guide
Watering
Water sparingly during extended dry periods
Fertilization
No regular fertilization required. Excess nutrients can reduce flower production and compact foliage
Crushed eggshell powder：Sprinkle finely crushed, dried eggshell powder around the base of the rosette to add calcium without raising soil nutrient levelsPruning
- Remove spent flower heads after blooming to maintain a tidy rosette appearance
- Trim dead or damaged basal leaves in early spring to encourage new growth
- Avoid cutting back healthy foliage, as it provides winter protection for the plant
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No recorded toxicity to cats
Humans: No documented toxicity to humans
Garden Uses & Culture
Culture: Symbolizes longevity and resilience in Central European folk traditions
Usage: Ornamental for rock gardens; dried flower heads used in dried floral arrangements
