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Herbaceous Perennial

Hypericum pulchrum

slender St John's wort

An upright herbaceuous perennial reaching 30-40cm. It has small green paired leaves and delicate golden yellow flowers with orange buds and red stamens

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Orange Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Hypericaceae
Native to the UK
Yes
Foliage
Deciduous
Habit
Columnar upright
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
Europe

How to grow

Cultivation

Grow in any well drained soil, in sun or partial shade

Propagation

Propagate from seed, from semi-ripe cuttings in summer, or by division in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Prairie planting
  • Wildflower meadow
  • Wildlife gardens
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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