PlantFun
Plant Needs
Sunlight
Prefers full sun to partial shade; tolerates nutrient-poor, disturbed soils common in roadside or waste areas
Watering
Tolerates moderate drought once established; water regularly during extended dry spells to support active growth
Temperature
Thrives in warm temperate to subtropical climates; sensitive to frost damage below 5°C
Characteristics
- Leaf: Opposite, ovate to triangular leaves with serrated margins and fuzzy, glandular texture
- Flower: Dense clusters of small, white daisy-like composite flowers with yellow centers
- Stem: Green to reddish-brown, hairy stems that branch near the upper canopy
Care Guide
Watering
Keep soil evenly moist during active growth periods
Fertilization
Fertilization is not recommended to limit aggressive spread. No supplemental feeding is needed for established plants
Eggshell powder top dressing：Apply sparingly only if soil is severely calcium-deficient; avoid overapplication to prevent accelerated growth and spreadPruning
- Cut back flowering stems before seed maturation to prevent wind-borne seed dispersal
- Remove entire plants in early spring to reduce regrowth from root fragments
- Dispose of pruned material in sealed bags to avoid accidental propagation
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-aligned: Contains hepatotoxic compounds; ingestion may cause vomiting, diarrhea, and potential liver damage with prolonged exposure
Humans: Ingestion may cause mild gastrointestinal upset including nausea and abdominal pain
Garden Uses & Culture
Culture: N/A
Usage: N/A (classified as a noxious invasive species in most regions)
