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Alpine RockeryShrubs

Hypericum coris

heath-leaved St John's wort

A mound-forming evergreen sub-shrub to a height of 20cm, with spindly stems bearing fine linear green leaves and clusters of deep yellow flowers in summer

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Sand
Loam
Chalk
Moisture
Well–drained, Moist but well–drained
pH
Neutral, Alkaline
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered or Exposed
Drought resistance
Yes
Hardiness
H5
Botanical details
Family
Hypericaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy, Clump forming
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

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How to grow

Cultivation

Grow in well-drained soil in full sun. Ideal for rock garden, gravel and scree gardens. Avoid exposed areas with cold, drying winds

Propagation

Propagate by seed in autumn or semi-ripe cuttings in summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Mediterranean climate plants
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
  • Low Maintenance
  • Wall side borders
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
Pruning

Pruning group 8

Pests

Generally pest-free

Diseases

May be susceptible to a rust

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