PlantFun
Plant Needs
Sunlight
Prefers full sun to partial shade; tolerates dry meadow conditions without scorching
Watering
Water deeply when the top 2 cm of soil is dry; drought-tolerant once established
Temperature
Hardy to light frost; thrives in cool to temperate summer temperatures
Characteristics
- Leaf: Opposite, ovate to lanceolate leaves with serrated margins and soft hairy texture
- Flower: Tubular purple to pinkish-purple blooms clustered in whorls at leaf axils
- Stem: Square, hairy stems characteristic of the mint family
Care Guide
Watering
Keep soil moderately moist during active growth periods
Fertilization
Light, diluted feed once monthly. Use low-nitrogen fertilizer to promote flowering rather than foliage growth
Eggshell powder top-dress：Crush dried eggshells into fine powder and sprinkle lightly on soil surface; avoid direct contact with stemsPruning
- Deadhead spent blooms to extend the flowering period and encourage self-seeding
- Remove yellowing foliage to improve air circulation and reduce pest risk
- Cut back entire plant after flowering to collect seeds for next season
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: No documented toxicity per ASPCA guidelines
Humans: May cause mild gastrointestinal upset if large quantities are ingested
Garden Uses & Culture
Culture: N/A
Usage: Wildflower meadow planting, pollinator habitat support
