Hypericum fasciculatum
Care, watering, light and tips for Hypericum fasciculatum on Floravia.
Quick facts
- Family: Hypericaceae
- Difficulty: Moderate care
- Watering: every 7 days
- Light: Partial shade
- Temperature: 10–30 °C
- Toxicity: Toxic to pets
About Hypericum fasciculatum
Hypericum fasciculatum, commonly known as St. Johnswort, is an evergreen perennial shrub native to the southeastern United States, valued for its attractive bright yellow flowers with numerous stamens. Its delicate foliage and dense growth habit make it ideal for low hedges, borders, or as an accent plant in warm climate gardens. It blooms profusely from late spring through summer, adding a splash of sunshine to the landscape.
Native range
Southeastern United States
Care tips
This plant thrives in full sun for optimal flowering, though it can tolerate some partial shade. The soil should be consistently moist but well-drained, as it is sensitive to prolonged drought; water regularly, especially during dry spells. It prefers acidic to slightly acidic, sandy soils enriched with organic matter. Avoid waterlogging, which can lead to root rot; good drainage is crucial.
How to save a dying Hypericum fasciculatum
- Warning signs
- Yellowish or brown, wilting leaves, premature flower or bud drop.
- First aid
- Check watering (moist but not waterlogged soil) and sun exposure (prefers partial shade).
- What kills it
- Excessive direct sun in hot climates and lack of regular watering, or waterlogging if drainage is poor.
- Can it be saved?
- Yes, if you act quickly and adjust light and moisture conditions.