PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in direct sunlight for most of the day, tolerates light afternoon shade in hot climates
Watering
Allow the top 2–3 cm of soil to dry between waterings; avoid overwatering to prevent root rot
Temperature
Hardy to -10°C with winter mulch protection; prefers 15–25°C during active growing season
Characteristics
- Leaf: Small, oblong, silvery-gray leaves with velvety texture and strong aromatic scent when crushed
- Flower: Spikes of tubular purple, blue, or white flowers clustered at stem tips
- Stem: Woody, branching stems that become slightly lignified with mature growth
Care Guide
Watering
Keep soil evenly moist but not waterlogged; water deeply when topsoil is dry
Fertilization
Feed once monthly with diluted balanced fertilizer. Avoid over-fertilizing to prevent leggy, less aromatic growth
Eggshell powder top-dressing：Crush clean, dried eggshells into fine powder; sprinkle lightly on soil surface and gently work into the top 1 cm of soilPruning
- Prune back by one-third in early spring to encourage dense, bushy new growth
- Deadhead spent flower spikes promptly to promote prolonged blooming and prevent self-seeding
- Remove woody, leggy stems in late winter to maintain a compact, tidy form
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported adverse effects from ingestion
Humans: No known toxicity to humans; safe for culinary and medicinal use in moderate amounts
Garden Uses & Culture
Culture: Symbolizes wisdom, healing, and protection in traditional European folklore
Usage: Culinary herb for seasoning meats, sauces, and stuffing; medicinal uses for sore throat relief and digestive support
