Hypericum 'Rowallane'![RHS AGM](/assets/styles/images/icons/RHS-AGM--Small-Vert__web.svg)
St John's wort 'Rowallane'
'Rowallane' is an upright medium-sized semi-evergreen shrub with arching branches bearing ovate leaves and large, bowl-shaped, deep golden-yellow flowers to 7cm in width
![](https://apps.rhs.org.uk/plantselectorimages/detail/WSY0000767_10210.jpg)
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Size
Ultimate height
1.5–2.5 metresTime to ultimate height
5–10 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Yellow | Green | ||
Autumn | Yellow | Green | ||
Winter | Green |
Position
- Full sun
- Partial shade
Aspect
North–facing or East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H4Botanical details
- Family
- Hypericaceae
- Native to the UK
- No
- Foliage
- Semi evergreen
- Habit
- Bushy
- 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
Accepted
How to grow
Cultivation
Grows well in moist but well-drained soil in sun or partial shade
Propagation
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
- Cottage and informal garden
- Low Maintenance
- Banks and slopes
- Flower borders and beds
- Ground cover
Pruning
Pests
Generally pest-free
Diseases
May be susceptible to a rust and honey fungus (rarely)
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