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Kerria japonica 'Simplex'

Japanese rose 'Simplex'

A vigorous suckering medium-sized deciduous shrub to 2m in height , with prominently veined, light green leaves and solitary bright yellow, single flowers from mid-spring

Synonyms
Kerria japonica misapplied single
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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1.5–2.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Neutral, Alkaline
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H5
Botanical details
Family
Rosaceae
Native to the UK
No
Foliage
Deciduous
Habit
Suckering, Bushy
Genus

Kerria are deciduous shrubs withgreen young shoots bearing simple, toothed leaves and rose-like, solitary 5-petalled flowers in mid-spring

Name status

Unresolved

How to grow

Cultivation

Grow in any well-drained or moist but well-drained soil in sun or partial shade. Good for woodland settings but may form large thickets and has the potential to become a nuisance if not managed well

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
  • Hedging and screens
Pruning

Pruning group 3 and sucker removal if necessary in autumn or winter

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus (rarely)

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