PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates exposed rocky sites with minimal shade
Watering
Water moderately, allowing soil to dry between waterings; drought-tolerant once established
Temperature
Hardy to subzero temperatures; withstands cool mountain climates, avoid prolonged heat above 28°C
Characteristics
- Leaf: Narrow linear to lanceolate bright green leaves in opposite pairs
- Flower: Tiny white star-shaped blooms with five petals, clustered at stem apices
- Stem: Slender branching stems forming dense, low-growing mats
Care Guide
Watering
Keep soil slightly moist during active growth periods
Fertilization
Diluted balanced feed once monthly. Use low-nitrogen fertilizer to avoid excessive foliage growth
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to add calcium without burning shallow rootsPruning
- Deadhead spent blooms to maintain tidy mat growth
- Trim overcrowded stems in early spring to promote air circulation
- Remove yellow or damaged foliage to prevent fungal growth
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No listed toxicity to cats
Humans: No documented toxicity to humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental rock garden and alpine trough plant
