PlantFun
Plant Needs
Sunlight
Prefers bright full sun to partial shade; tolerates dappled woodland light and avoids prolonged midday sun in hot climates.
Watering
Keep soil evenly moist but well-drained; avoid waterlogging to prevent root rot in heavy clay soils.
Temperature
Thrives in cool to temperate conditions; avoid extreme heat above 28°C which may cause wilting.
Characteristics
- Leaf: Opposite, ovate to lanceolate leaves with serrated margins, covered in fine hairs.
- Flower: Tubular, pink to pale purple blooms with spotted throats, clustered in axillary whorls.
- Stem: Square, hairy stems typical of the Lamiaceae family, with branching growth habit.
Care Guide
Watering
Keep soil consistently moist during active growth periods
Fertilization
Light application of compost at planting time. Avoid high-nitrogen fertilizers which may promote excessive foliage growth over flowering.
Eggshell powder topdress：Sprinkle a thin layer of crushed, dried eggshells around the base at planting; avoid direct contact with stems to prevent rot.Pruning
- Deadhead spent blooms to encourage extended flowering and prevent self-seeding if desired.
- Remove yellowing or damaged foliage to improve air circulation and reduce pest risk.
- Trim back overgrown stems to promote bushier growth and maintain a compact habit.
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No specific listing, but related Galeopsis species may cause mild gastrointestinal upset if ingested.
Humans: Mild oral irritation and stomach upset if ingested in large quantities; may cause minor skin rash in sensitive individuals on contact.
Garden Uses & Culture
Culture: N/A
Usage: Wildflower garden ornamental; supports native pollinators including bees and butterflies.
