PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates dry, exposed rocky sites
Watering
Allow soil to dry completely between waterings; drought-tolerant once established
Temperature
Hardy to -15°C; withstands hot, dry summer conditions without supplemental watering
Characteristics
- Leaf: Whorls of 4–6 glossy, linear to lanceolate leaves, 1–3 cm long, smooth margins.
- Flower: Tiny white, star-shaped flowers in loose terminal clusters; 4 petals.
- Stem: Slender, square, green stems with fine downward-pointing hairs for clinging.
Care Guide
Watering
Keep soil slightly moist during active growth; avoid overwatering to prevent root rot
Fertilization
Light, diluted balanced feed once monthly. Avoid over-fertilizing, as it can disrupt the plant's low-growing mat form
Eggshell powder top-dress：Crush dried eggshells into fine powder; sprinkle lightly on soil surface and water in to release nutrients graduallyPruning
- Trim back spent flower stems after blooming to encourage bushier, denser growth
- Thin overcrowded patches in early spring to improve airflow and reduce disease risk
- Cut back to ground level in late autumn to tidy growth and prepare for winter dormancy
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: Ground cover for rock gardens; traditional mild topical use for skin irritations
