Hypericum calycinum
rose of Sharon
A fast-growing, spreading groundcover shrub with evergreen to semi-evergreen long, oval-shaped dark green leaves. Bright yellow, five petalled flowers bloom throughout summer and into autumn. Height is 60cm with a spread of 1.2m or more. The red berries turn black in autumn
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, °Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»åpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Yellow | Green | ||
| Autumn | Green | Black Red | ||
| Winter | Yellow | Green |
Position
- Full shade
- Full sun
- Partial shade
Aspect
East–facing or South–facing or North–facing or °Â±ð²õ³Ù–f²¹³¦¾±²Ô²µ
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H5Botanical details
- Family
- Hypericaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen or Semi evergreen
- Habit
- Suckering
- Potentially harmful
- Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
- Genus
Hypericum can be annuals, perennials, shrubs or trees, evergreen or deciduous, with usually paired leaves and showy yellow flowers with prominent stamens, followed by capsules, occasionally berry-like
- Name status
Correct
- Plant range
- S Europe, SW Asia
How to grow
Cultivation
Grows well in moist but well-drained soil in sun or partial shade. Ideal for under trees. May have the potential to become a nuisance if not managed well
Propagation
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
- Cottage and informal garden
- Wildlife gardens
- Low Maintenance
- Banks and slopes
- Flower borders and beds
- Ground cover
- Wall side borders
Pruning
Pests
Generally pest-free
Diseases
May be susceptible to a rust and honey fungus (rarely)
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