PlantFun
Plant Needs
Sunlight
Full sun to partial shade; produces the most blooms in unobstructed full sun
Watering
Water deeply when the top 2 cm of soil is dry; drought tolerant once established
Temperature
Hardy to -15°C; tolerates moderate summer heat but prefers cool, well-ventilated conditions
Characteristics
- Leaf: Spoon-shaped to deltoid, gray-green, slightly hairy, 1–3 cm long with toothed edges
- Flower: Four-petaled, clustered in dense racemes; colors include purple, pink, or white
- Stem: Trailing, mat-forming, woody at the base with branching, herbaceous new growth
Care Guide
Watering
Keep soil slightly moist during bloom period; avoid waterlogging
Fertilization
Light, low-nitrogen feed once at bloom start. Avoid over-fertilizing to prevent excessive foliage growth at the expense of flowers
Eggshell powder topdress：Crush dried eggshells to fine powder; sprinkle 1 tsp per plant every 3 months to boost soil alkalinity and calcium levelsPruning
- Shear back lightly immediately after flowering to encourage compact growth and potential rebloom
- Remove dead flower heads to prevent unwanted self-seeding
- Trim overgrown stems in early spring to maintain a neat mat shape
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no documented health risks
Humans: Non-toxic to humans; no known adverse effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental groundcover for rock gardens, retaining walls, and container edges; attracts pollinating bees
