PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in cool mountain sunlight, tolerates afternoon shade in warmer low-elevation gardens
Watering
Water regularly to keep soil evenly moist but well-drained; avoid waterlogging to prevent root rot
Temperature
Hardy to -15°C; prefers cool summer temperatures below 25°C, avoids prolonged extreme heat
Characteristics
- Leaf: Small, ovate to lanceolate, toothed margins, grey-green fuzzy foliage
- Flower: Tubular violet-blue blooms with a distinctive hooded upper lip; grow in whorls along upright stems
- Stem: Slender, branching, hairy stems that spread to form dense, low mats
Care Guide
Watering
Keep soil consistently moist; water when top 1 cm of soil feels dry
Fertilization
Diluted balanced feed once every 4 weeks. Use a low-nitrogen fertilizer to promote compact growth and abundant blooms
Eggshell powder top-dressing：Crush dried eggshells into fine powder; sprinkle a thin layer on soil surface to boost calcium levels and improve drainage; avoid over-application to prevent pH imbalancePruning
- Trim spent flower stems to encourage reblooming and maintain compact growth
- Remove dead foliage in early spring to clear space for new shoots
- Thin overcrowded mats every 2–3 years to improve airflow and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-verified non-toxic to cats; no reported toxic reactions
Humans: Non-toxic to humans; no known adverse health effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Traditional medicinal herb used for calming properties; ornamental alpine garden plant
