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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

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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
°Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»å, 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 ³§´Ç³Ü³Ù³ó–f²¹³¦¾±²Ô²µ

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

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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