PlantFun
Plant Needs
Sunlight
Full sun preferred for maximum flowering; tolerates partial shade in hotter regions
Watering
Water deeply once weekly during extended dry spells; highly drought-tolerant once established
Temperature
Hardy to USDA zones 3–9; withstands harsh winter cold and moderate summer heat without damage
Characteristics
- Leaf: Narrow, linear needle-like leaves (1–3 cm long) arranged densely along slender stems
- Flower: Tiny white ray florets with yellow disc centers, clustered in dense flat-topped inflorescences
- Stem: Fine pubescent green stems that branch upward from a basal crown
Care Guide
Watering
Water regularly during establishment; reduce watering once roots are established
Fertilization
Light topdressing of compost at planting time. Excess fertilizer may reduce flowering and promote leggy growth
Eggshell powder topdress：Crush clean, dried eggshells into fine powder; sprinkle lightly around plant bases once every six months to boost soil calcium levelsPruning
- Cut back dead foliage to ground level in late winter to encourage vigorous new spring growth
- Thin overcrowded clumps every 2–3 years to improve airflow and reduce disease risk
- Deadhead spent blooms lightly to extend the flowering period by 1–2 weeks
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 health effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Pollinator-friendly wildflower that supports native bees, butterflies, and beneficial insects
