PlantFun
Plant Needs
Sunlight
Prefers partial sun to full sun; tolerates light shade in hot summer climates
Watering
Water when top 2 cm of soil is dry; avoid overwatering to prevent root rot
Temperature
Hardy to -20°C; withstands moderate summer heat, thrives in cool temperate conditions
Characteristics
- Leaf: Opposite, ovate to lanceolate leaves with serrated margins, medium green
- Flower: Dense terminal spikes of tubular purple, pink, or white blooms; bracts are purplish-green
- Stem: Square, hairy stems typical of mint family, trailing or upright
Care Guide
Watering
Keep soil evenly moist during active growth periods
Fertilization
Diluted balanced feed once every 4 weeks. Minimal fertilization needed; avoid overfeeding to prevent leggy growth
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to add calcium without burning rootsPruning
- Deadhead spent flower spikes to encourage prolonged blooming through autumn
- Trim back overgrown mats in early spring to promote compact, dense growth
- Remove yellowing or damaged foliage to maintain plant health and appearance
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA confirmed non-toxic to cats; no known adverse effects
Humans: Non-toxic to humans; safe for consumption in moderate amounts as herbal tea
Garden Uses & Culture
Culture: Associated with traditional herbal medicine for wound healing and sore throat relief
Usage: Ornamental ground cover; dried blooms and leaves used for herbal tea
