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Laburnum × watereri 'Vossii' AGM

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© RHS 1998

Characteristics

Plant type

Tree

Habit

Bushy

Toxicity

Highly toxic if ingested

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Yellow in Spring

Foliage

Green in Autumn, Spring and Summer

Fruit

Green in Autumn

Size

Ultimate height

4-8 metres

Ultimate spread

4-8 metres

Time to ultimate height

20-50 years


Preferred common name

Voss's laburnum

Family

Papilionaceae


Laburnum are small deciduous trees with leaves composed of three leaflets, and bright yellow pea-shaped flowers in pendent racemes

'Vossii' is a broad-crowned small deciduous tree with deep green, ternate leaves. Bright yellow flowers in drooping racemes to 60cm in length

How to grow

Sunlight

  • Full sun

Aspect

  • North-facing, East-facing, South-facing or West-facing
  • Sheltered or Exposed

Cultivation

Good as specimen tree for a sunny position with a well-drained soil

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by grafting

Suggested planting locations and garden types

Coastal or Low Maintenance


How to care

Pruning

Pruning group 1

Pests

Can get aphids, leaf-mining moths and leaf-mining flies. Young trees can be damaged by snails

Diseases

Powdery mildews and silver leaf may be a problem