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Sorbaria sorbifolia 'Sem'PBR
  • RHS AGM

sorbaria 'Sem'

A small, compact selection, to 1.5m, of this thicket-forming shrub. It has many upright stems and a distinctive leaf colouring; yellow-green flushed with bright reddish-pink and bronze in spring. Leaves become greener in summer, but redden in autumn; colouring is best in good light. Flowers are borne in stiff, erect, rather narrow panicles of small white flowers in summer

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Bronze Pink Yellow
Summer White Yellow Green
Autumn Yellow Red Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

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

Sorbaria are large, deciduous suckering shrubs with attractive pinnate leaves and small, white, spiraea-like flowers borne in large terminal panicles in summer

Name status

Accepted

How to grow

Cultivation

Best grown in moderately fertile, moist but well-drained soil. Useful for waterside plantings but neglected plants can rapidly form thickets

Propagation

Propagate by semi-hardwood cuttings in mid-summer or propagate by seed sown in containers in a coldframe in autumn. Rooted suckers can be transplanted in winter or autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
Pruning

Pruning group 2 or pruning group 6; sucker removal in winter

Pests

Generally pest free

Diseases

Generally disease free

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