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Hypericum kouytchense

large-flowered St John's wort

A small semi-evergreen shrub with ovate leaves. Flowers golden yellow, to 6cm in width, with long stamens, followed by attractive reddish capsules in autumn

Synonyms
Hypericum 'Sungold'
Hypericum grandiflorum
see moreHypericum penduliflorum hort.

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
5–10 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Yellow Green Red
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

North–facing or West–facing or East–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Hypericaceae
Native to GB / Ireland
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

Correct

Plant range
S. China

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

Pruning group 8

Pests

Generally pest-free

Diseases

May be susceptible to a rust and honey fungus (rarely)

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