
Hypericum
Hypericum androsaemum
A semi-evergreen shrub with oval green leaves, small yellow flowers, and prominent fleshy oval structures that transition in color from green to pale yellow, pink, and eventually black.
- Light
- Full sun to partial shade, approximately 4 to 6 hours of direct sunlight per day.
- Water
- Water moderately, allowing the topsoil to dry out between waterings. Drought tolerant once established, but sensitive to waterlogged soil.
- Growth
- Perennial shrub with a bushy, rounded growth habit, reaching a mature height and spread of 2 to 3 feet with a moderate growth rate.
Care instructions
Provide bright indirect light or partial sun, water when the top inch of soil feels dry, and plant in well-draining organic soil. Feed with a balanced liquid fertilizer during the active growing season.
Growing details
Sunlight
Full sun to partial shade, approximately 4 to 6 hours of direct sunlight per day.
Watering
Water moderately, allowing the topsoil to dry out between waterings. Drought tolerant once established, but sensitive to waterlogged soil.
Soil
Well-draining loam or sandy soil with a neutral to slightly acidic pH range of 6.0 to 7.0.
Hardiness zone
USDA Hardiness Zones 6 through 9.
Growth habit
Perennial shrub with a bushy, rounded growth habit, reaching a mature height and spread of 2 to 3 feet with a moderate growth rate.
Bloom season
Blooms during summer from June to August with bright yellow star-shaped flowers.
Propagation
Propagated via semi-hardwood cuttings taken in summer or by seed sown in spring.
Common pests & issues
Prusceptible to rust and root rot if soils remain overly wet. Manage by ensuring adequate air circulation and proper drainage.
Similar species
Hypericum calycinum (Creeping St. John's wort), which is a lower-growing ground cover compared to the upright shrub habit of Hypericum androsaemum.