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Hypericum monogynum

Chinese St John's wort

A small, semi-evergreen shrub to about 80cm, with narrow, more or less evergreen leaves and small sprays of golden-yellow, 6cm wide flowers with conspicuous golden stamens from summer to autumn

Synonyms
Hypericum monogynum var. salicifolium
Hypericum monogynum subsp. obtusifolium
see moreHypericum chinense

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 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
Winter Green
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Hardiness
H3
Botanical 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
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

How to grow

Cultivation

Grows well in moist but well-drained soil in a sunny, sheltered position

Propagation

Propagate by semi-hardwood cuttings in summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Mediterranean climate plants
  • Wall side borders
  • Flower borders and beds
Pruning

Pruning group 8

Pests

Generally pest-free

Diseases

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

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