PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates short periods of drought and light foot traffic
Watering
Water when top 1 cm of soil is dry; avoid overwatering to prevent root rot in heavy soils
Temperature
Hardy to USDA zone 3; tolerates cold winters and warm summer temperatures without damage
Characteristics
- Leaf: Opposite, linear to spatulate, 5–15 mm long, smooth margins
- Flower: Star-shaped, 4 pale blue to white petals, yellow central corolla tube
- Stem: Slender, creeping or upright, branching near base
Care Guide
Watering
Keep soil evenly moist during active growth periods
Fertilization
Light, diluted feed once monthly. Use a balanced, low-strength fertilizer to support flowering
Eggshell powder topdress：Sprinkle a thin layer of crushed, dried eggshells around plant bases; avoid direct contact with stems to prevent fungal growthPruning
- Trim back spent blooms to encourage extended flowering into early summer
- Remove dead foliage in early spring to promote new, healthy growth
- Thin overcrowded mats to improve airflow and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxicity to humans
Garden Uses & Culture
Culture: N/A
Usage: Low-growing ground cover for wildflower gardens, alternative lawn, and rock garden edging
