• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Cercis siliquastrum 'Bodnant'

Judas tree 'Bodnant'

AGM plants

AGM plants have been through a rigorous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
Judas tree 'Bodnant'

© RHS

  • Other common names Judas tree 'Bodnant'

  • Family Caesalpiniaceae

  • Genus Cercis are deciduous shrubs or small trees with heart-shaped leaves and clusters of bright pink pea-flowers opening before or with the leaves, followed by flattened, deep purple pods

  • Details 'Bodnant' is a bushy, deciduous small tree with deep purple, pea-shaped flowers in clusters on the older stems. Leaves are broadly heart-shaped and fruit a conspicuous flattened purplish pod

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H5

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilLoam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 8-12 metres

  • Ultimate spread wider than 8 metres

  • Time to ultimate height 20-50 years

How to grow

Cultivation Grow in well-drained soil in sun or partial shade

Propagation Propagate by seed and semi-hardwood cuttings

Suggested planting locations and garden types Cottage & Informal Garden

How to care

Pruning Pruning group 1

Pests Generally pest free

Diseases Verticillium wilt and coral spot may be a problem

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