PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates dry, lean soil conditions and moderate heat
Watering
Water deeply once weekly during prolonged dry spells; drought-tolerant once established
Temperature
Hardy to USDA zones 3–8; withstands harsh winter cold and summer heat without protection
Characteristics
- Leaf: Opposite, lanceolate to ovate leaves with serrated margins, gray-green pubescent foliage
- Flower: Dense terminal spikes of small, tubular purple to pale lavender blooms
- Stem: Square, hairy stems typical of the mint family
Care Guide
Watering
Water occasionally during prolonged dry periods; avoid overwatering to prevent root rot
Fertilization
Optional diluted compost tea once monthly. No regular fertilization required for established plants in native habitats
Composted banana peel tea：Steep fully composted banana peels in water for 24 hours; dilute 1:20 for root drench to avoid nutrient burnPruning
- Deadhead spent blooms to encourage extended flowering through late summer
- Cut back to basal growth in late autumn to tidy the plant and promote healthy spring regrowth
- Thin overcrowded stems in early spring to improve airflow and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA confirmed non-toxic to cats; no reported toxicity
Humans: Non-toxic to humans; no known adverse health effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Pollinator habitat support; traditional medicinal uses for mild digestive and respiratory relief
