PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in bright alpine light, tolerates mild afternoon shade in warmer lowland regions
Watering
Water deeply when the top 2 cm of soil is dry; avoid overwatering to prevent root rot in poorly drained soils
Temperature
Hardy to -15°C; prefers cool temperatures and avoids prolonged heat above 28°C
Characteristics
- Leaf: Small, oblong to spatulate evergreen leaves, gray-green with fine hairs for cold tolerance
- Flower: Dense clusters of four-petaled sky-blue blooms on short upright stems
- Stem: Prostrate, trailing stems that root at nodes to form tight, spreading mats
Care Guide
Watering
Keep soil evenly moist during the flowering season to support bloom production
Fertilization
Diluted balanced liquid feed once every 4 weeks. Use a low-nitrogen feed to promote compact growth rather than lush foliage
Eggshell powder topdress：Crush clean, dried eggshells to a fine powder and sprinkle 1 tsp per plant in early spring; avoid direct contact with delicate rootsPruning
- Deadhead spent blooms promptly to extend flowering period and maintain a tidy mat form
- Trim back leggy, overgrown stems after flowering to encourage dense new growth
- Remove any dead or damaged evergreen foliage in early spring to improve air circulation
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxic effects for humans
Garden Uses & Culture
Culture: N/A
Usage: Rock garden groundcover, edging plant for pathways, alpine container displays
