PlantFun
Plant Needs
Characteristics
- Leaf: Opposite, oblong-lanceolate leaves with translucent and black glandular dots
- Flower: Clustered golden-yellow five-petaled blooms with numerous stamens
- Stem: Hairy, upright green stems branching near the top
Care Guide
Keep soil evenly moist during active growth; avoid waterlogging to prevent root rot
Apply diluted balanced liquid feed once monthly. Use low-nitrogen feed to encourage flower production rather than excessive foliage growth
Eggshell powder top-dress：Crush dried eggshells into a fine powder and sprinkle lightly around the base of plants every 3 months to boost soil calcium levels without causing nutrient burn- Cut back dead stems to ground level in late winter to stimulate new spring growth
- Deadhead spent blooms regularly to extend the flowering period and prevent self-seeding in managed gardens
- Thin overcrowded clumps in early spring to improve airflow and reduce fungal disease risk
Toxicity
Warning: this plant may be toxic.
Pets: ASPCA: Toxic due to hypericin; may cause vomiting, diarrhea, depression, and photosensitivity
Humans: Ingestion may cause mild gastrointestinal upset and increased skin photosensitivity to sunlight
Garden Uses & Culture
Culture: Associated with traditional European folklore as a symbol of protection against evil spirits; historically used in herbal medicine for mood support
Usage: Ornamental wildflower for naturalized gardens; historical herbal remedy (note: not recommended for self-medication without professional guidance)
