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ShrubsAlpine Rockery

Hypericum reptans Hook. f. & Thomson ex Dyer

creeping St John's wort

A mat-forming deciduous shrub, with slender, prostrate stems that root along the length, and small, leathery green leaves that turn red or yellow in autumn. Cup-shaped yellow flowers open from reddish buds at the tips of the stems in summer

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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green Yellow Red
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Hypericaceae
Native to the UK
No
Foliage
Deciduous
Habit
Matforming
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
E Himalaya

How to grow

Cultivation

Thrives in a sheltered spot in well-drained soil, in sun or part shade. Protect from excess winter wet. Ideal for a rockery or for growing over a sunny wall

Propagation

Propagate by seed or by semi-ripe cuttings

Suggested planting locations and garden types
  • Gravel garden
  • Rock garden
  • Low Maintenance
  • Banks and slopes
  • Ground cover
Pruning

Minimal pruning required, see pruning group 1

Pests

Generally pest-free

Diseases

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

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