PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in open, unshaded garden beds and tolerates dry, exposed growing conditions
Watering
Allow soil to dry completely between waterings; highly drought-tolerant once established, with no need for frequent irrigation
Temperature
Hardy to extreme cold and hot dry conditions; suitable for USDA hardiness zones 3–9
Characteristics
- Leaf: Opposite, oval to oblong leaves covered in white woolly hairs with a crinkled texture
- Flower: Small white tubular flowers arranged in dense whorls at upper stem nodes
- Stem: Square, hairy stems characteristic of the mint family, branching from the basal crown
Care Guide
Watering
Water deeply once every 7–10 days during prolonged dry spells; avoid overwatering to prevent root rot
Fertilization
Apply diluted compost tea once monthly to support new growth. Use low-nitrogen feeds to prevent leggy, weak stems
Eggshell powder topdressing：Crush thoroughly dried eggshells into a fine powder; sprinkle 1–2 tablespoons per plant on soil surface and gently work into topsoilPruning
- Deadhead spent flower spikes promptly to encourage bushier, compact growth
- Cut back stems by 50% in late autumn to promote vigorous new spring growth
- Remove yellowing or damaged foliage to improve air circulation and reduce pest habitat
- Thin overcrowded basal stems in early spring to maintain plant health
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no known adverse effects from ingestion or contact
Humans: Mild digestive upset may occur if consumed in excessive quantities; used safely in moderate medicinal doses
Garden Uses & Culture
Culture: Used in traditional herbal medicine for respiratory support; symbolizes healing and resilience
Usage: Medicinal tea production, candy flavoring, low-growing ornamental ground cover
